Page 1 ®...
Page 2 Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell , OptiPlex , and the DELL logo are registered trademarks, Dell OpenManage is a trademark, and DellWare is a registered service mark of Dell Computer Corporation; Intel, LanDesk, and Pentium are registered trademarks and MMX is a trademark of Intel Corporation;...
Page 3 Use the following safety guidelines to help protect your computer system from poten- tial damage and to ensure your own personal safety. As you use your computer system, observe the following safety guidelines. To help avoid damaging your computer, be sure the voltage selection switch on the power supply is set to match the AC power available at your location: —...
Page 4 Position your system so that the monitor and keyboard are directly in front of you as you work. Special shelves are available (from Dell and other sources) to help you correctly position your keyboard.
Page 5 wrists relaxed and flat arms at desk level Before you remove the computer cover, perform the following steps in the sequence indicated. While you work, periodically touch an unpainted metal surface on the computer chassis to dissipate any static electricity that might harm internal components. monitor screen at or below eye level monitor and keyboard...
Page 6 Doing so reduces the potential for personal injury or shock. In addition, take note of these safety guidelines when appropriate: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs; if you are dis- connecting this type of cable, press in on the locking tabs before disconnecting the cable.
Page 7 The following caution may appear throughout this document to remind you of these precautions:...
Page 9: System Features
This guide is intended for anyone who uses a Dell OptiPlex GX1 or GX1p mini tower Managed PC system. It can be used by both first-time and experienced computer users who want to learn about the features and operation of the systems or who want to upgrade their computers.
Page 10 The Frequently Asked Questions cards provide detailed answers to questions that are often asked by Dell computer users. Be sure to read these cards before calling Dell for technical assistance.
Page 11 The following subsections describe notational conventions used in this document. Throughout this guide, there may be blocks of text printed in bold type or in italic type. These blocks are warnings, cautions, and notes, and they are used as follows: NOTE: A NOTE indicates important information that helps you make better use of your computer system.
Page 12 Command lines consist of a command and may include one or more of the com- mand’s possible parameters. Command lines are presented in the Courier New font. Example: del c:\myfile.doc Screen text is text that appears on the screen of your monitor or display. It can be a system message, for example, or it can be text that you are instructed to type as part of a command (referred to as a command line ).
Page 13: Table Of Contents
Manageability Features ......... . 1-5 Dell OpenManage Program........1-5 PXE .
Page 14 Reserved Memory ..........2-6 CPU Speed.
Page 15 Quick Start............3-2 About the ICU .
Page 16 ........Performing a Memory Upgrade6-8 Adding Video Memory (OptiPlex GX1 Only) ......6-11 Upgrading the Microprocessor .
Page 17 Figure 1-1. Dell OpenManage Program ....... . 1-6 Figure 1-2.
Page 18 Figure 2-2. Figure 3-1. Figure 3-2. Figure 3-3. Figure 3-4. Figure 3-5. Figure 3-6. Figure 3-7. Figure 3-8. Figure 3-9. Figure 3-10. System Resource Usage Dialog Box......3-13 Figure 3-11.
Page 19 Figure 7-12. Inserting the Drive Bracket in the Chassis....7-13 Figure 7-13. Attaching Hard-Disk Drive Cables ......7-14 Figure 7-14.
Page 20 xxii...
Page 21 Each computer system uses a high-performance Peripheral Component Interconnect (PCI) design that allows you to configure the computer system to your initial requirements and then add Dell-supported upgrades as necessary. These sys- tems also support the Industry-Standard Architecture (ISA) bus for older expansion devices.
Page 22: Video Controller
3D Rage Pro super video graphics array (SVGA) video controller. On the Dell Opti- Plex GX1, this video subsystem contains 4 MB (upgradable to 8 MB) of Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...
Page 23 (SGRAM) video memory; the Dell OptiPlex GX1p comes with 8 MB of SGRAM video memory. Maximum resolu- tions are 1600 x 1200 with 65,536 colors noninterlaced and 1280 x 1024 and 1024 x 768 with true-colors noninterlaced. In 800 x 600 and 640 x 480 resolutions, 16.7 million colors are available for true-color graphics using a 32-bits per pixel (bpp) format.
Page 24: Hardware Features
Dell Diagnostics for evaluating the computer’s components and devices. For information on using the diagnostics, see the chapter titled “Running the Dell Diagnostics” in the Diagnostics and Troubleshooting Guide . Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...
Page 25: Software Features
For more information on making program diskette sets, see the online help provided in the Dell Program Diskette Maker, which is located in the Dell Acces- sories folder.
Page 26 Configuration Management features of the Dell OpenManage include: Wakeup On LAN support, which allows network administrators to remotely turn on Managed PC systems with Wakeup On LAN capability in a Dell DMI network. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...
Page 27: Passwords
Dell DMI network. Network administrators can automate inventory to occur every day, week, or month at a certain hour, on the hour; or you can enable inven- tory as needed. The Dell OpenManage creates a text file for the group(s) and saves it to a user-defined directory.
Page 28: Wakeup On Lan
The field can be cleared using the System Setup program to enable future intrusions to be detected. For more information, see Chapter 2, “Using the System Setup Program.” Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...
Page 29: Security Cable Slot And Padlock Ring
On the back of the computer are a security cable slot and padlock ring (see Figure 1-2) for attaching commercially available antitheft devices. Security cables for personal computers usually include a segment of galvanized cable with an attached locking device and key. To prevent unauthorized removal of your computer, loop the cable around an immovable object, insert the locking device into the security cable slot on the back of your computer, and lock the device with the key provided.
Page 30 1-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...
Page 31: Intel Piix4 Inf Update Installer For Windows 95
Windows 95 that Dell installed on your hard-disk drive. Should you need to reinstall Windows 95 on an OptiPlex GX1 or GX1p system for any reason, you must be sure to reinstall the correct version. Dell recommends perform- ing a periodic tape backup of the system’s entire hard-disk drive so that, if necessary,...
Page 32: Using The System Setup Program
How to use the online System User’s Guide System features Using drivers and utilities Using the integrated audio controller Using the System Setup program Configuring expansion cards 1-12 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide a:\setup.exe...
Page 33 To print any of the topics from this guide, display the topic you want on your screen and select Print Topic from the File menu. Dell provides a number of tools to help you if you don’t understand a procedure described in this guide or if your system does not perform as expected. For informa- tion on these help tools, see the chapter titled “Getting Help”...
Page 34 1-14 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...
Page 35 After you set up your system, run the System Setup program to familiarize yourself with your system configuration information and optional settings. Dell recommends that you print the System Setup screens (by pressing the key) or write down the information for future reference.
Page 36: System Setup Screens
Key functions The line of boxes across the bottom of both screens lists keys and their functions within the System Setup program. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide F2 = Setup...
Page 37 Table 2-1 lists the keys you use to view or change information on the System Setup screens and to exit the program. Moves to the next field. Moves to the previous field. Cycles through the options in a field. In many fields, you can also type the appropriate value.
Page 38: Configuration Options
Tab,Shift-Tab change fields The following subsections explain in detail each of the options on the System Setup screens. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Dell Computer Corporation (www.dell.com) System OptiPlex GX1 400MTbr Setup...
Page 39: Time
Time resets the time on the computer’s internal clock. Time is kept in a 24-hour format ( hours : minutes : seconds ) . To change the time, press the right-arrow key to increase the number in the highlighted field or press the left- arrow key to decrease the number.
Page 40: Reserved Memory
“IDE2”). It is recommended that you use the secondary EIDE interface connector for EIDE CD-ROM and EIDE tape drives. NOTES: For all devices from Dell that use the built-in EIDE controller, set the appropri- ate Drive option to Auto. For small computer system interface (SCSI) devices, set the appropriate Drive option to None.
Page 41: Cpu Speed
card (the base memory below the 15-MB address comes from the dual in-line mem- ory modules [DIMMs] on the system board). The Reserved Memory option has the following options: None (the default option) 512K - 640K 15M - 16M CPU Speed indicates the processor speed at which your system boots. Press the left- or right-arrow key to toggle the CPU Speed option between the resi- dent microprocessor’s rated speed (the default) and a lower compatibility speed, which lets you accommodate speed-sensitive application programs.
Page 42: Dac Snoop
See “Disabling a Forgotten Password” found later in this chapter for instructions on disabling a forgotten system password. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...
Page 43: Password Status
When Setup Password is set to Enabled, Password Status allows you to prevent the system password from being changed or disabled at system start-up. To lock the system password, you must first assign a setup password in the Setup Password option and then change the Password Status option to Locked. In this state, the system password cannot be changed through the System Password option and cannot be disabled at system start-up by pressing .
Page 44 (SCSI) adapter, installed in the computer. 2-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Returns the boot device lists to the default settings Moves the selected item up or down in the boot sequence...
Page 45 NOTE: If you exit the Device List option by pressing or without mak- ing any changes, the Boot Sequence option is set to the Device List option. Dell Computer Corporation (www.dell.com) System OptiPlex 400 MTbr Setup Device List...

Page 46: Setup Password
Signaling (DPMS)-compliant monitor, enabling the Power Management option reduces monitor power consumption during periods of keyboard and mouse inactivity 2-12 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide (The different levels apply to the monitor only; hard-disk drive operation is ®...

Page 47 NOTE: The power management feature monitors activity of a mouse connected to the Personal System/2 (PS/2)-compatible mouse port. By setting Power Management to Maximum, Regular, or Minimum, you can set pre- defined time-out periods (see Table 2-3) for the two successive monitor shutdown stages, standby and off .

Page 48: Sound
COM3 (I/O address 3E8h). Likewise, COM2 (I/O address 2F8h), which shares IRQ3 with COM4, is remapped to COM4 (I/O address 2E8h). 2-14 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Never Never...

Page 49: Parallel Port
NOTES: When two COM ports share an IRQ setting, you can use either port as nec- essary, but you may not be able to use them both at the same time. If the second port (COM3 or COM4) is also in use, the built-in port is turned off. If you are using the Microsoft Windows 95 or IBM OS/2 operating system, you cannot use both serial ports at the same time.

Page 50: Speaker
NVRAM. For information on using the utility, see “Using Drivers and Utilities” in your online System User’s Guide . 2-16 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 51: Assigning A System Password
Your Dell system is shipped to you without the system password feature enabled. If system security is a concern, you should operate your system only with system password protection. You can assign a system password, as described in the next subsection, “ Assigning a System Password,”...

Page 52 NOTE: If you have assigned a setup password (see “Using the Setup Password Fea- ture” found later in this chapter), the system accepts your setup password as an alternate system password. 2-18 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 53 If a wrong or incomplete system password is entered, the following message appears on the screen: ** Incorrect password. ** Enter password: If an incorrect or incomplete system password is entered again, the same message appears on the screen. The third and subsequent times an incorrect or incomplete system password is entered, the system displays the following message: ** Incorrect password.

Page 54: Assigning A Setup Password
When you start the System Setup program, Page 2 of the System Setup screens appears with the Setup Password option highlighted, prompting you to type the password. 2-20 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 55 If you do not enter the correct password in three tries, the system lets you view, but not modify, the System Setup screens—with the following exceptions: You can still modify the Date, Time, CPU Speed, Num Lock, and Speaker options. If System Password is not enabled and is not locked via the Password Status option, you can assign a system password (however, you cannot disable or change an existing system password).

Page 56 If you are given an option of pressing either to continue or to run the Sys- tem Setup program, press the key. 2-22 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 57 Play support. Therefore, some Plug and Play cards (such as modem, sound, and net- work cards) may not work with Windows NT. If your system is running a Dell-installed Windows NT operating system and you want to use Plug and Play expansion cards, Dell recommends that you use the card manufacturer’s configuration utility to set the...

Page 58 “Exiting From the ICU” found later in this chapter for detailed instructions. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide If you are adding a non-Plug and Play ISA expansion card, see your online System User’s Guide or “Adding a Listed Card”...

Page 59: Icu Database
Before your system was shipped from Dell, a technician used the ICU to enter the correct information for the expansion cards initially installed in your computer. If your system was shipped with Dell-installed software, the ICU diskette image (from which you can make an ICU diskette) is installed on your hard-disk drive. (Your system may also be accompanied by an ISA Configuration Utility Diskette .)

Page 60 See your operating system documentation for instructions on making a copy of a diskette. Use only the backup diskette when running the ICU. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 61: Preparing To Use The Icu
After you have completed the procedures in “Preparing to Use the ICU” found earlier in this chapter, insert the backup copy of the ICU diskette into drive A. Then either turn on your system or reboot it by pressing the reset button. You can access online help in the ICU in four ways: Select Contents from the Help menu to display a list of topics.

Page 62 If the card is not listed, see the next section, “ Adding an Unlisted Card.” Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Displays the menu containing the underlined letter x and per- forms the operation indicated by the menu item containing the underlined letter y .

Page 63 The ICU uses the default resources set by the card manufacturer whenever pos- sible. If the ICU cannot find a resource that is valid for the card and available in the system, the utility generates an error message. See Appendix B, “ISA Config- uration Utility Messages,”...

Page 64 Configuration Choice box, the changes that you made to the resource values are overwritten by the default values for the new configuration choice. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 65 NOTE: After modifying the system configuration, you must turn off the system to install, remove, or change jumper settings on the non-Plug and Play ISA expansion cards to match the settings you selected in the ICU. Unlisted cards are non-Plug and Play ISA expansion cards that do not have configura- tion files stored in the ICU database.

Page 66 A message box appears, notifying you either that the card is using its default set- tings or that it cannot use its default settings and must be reconfigured. 3-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 67 NOTE: After modifying the system configuration, you must turn the system off to install, remove, or change jumper settings on the non-Plug and Play ISA expansion cards to match the settings you selected in the ICU. Modifying a card allows you to change the system resources used by a card. This fea- ture is helpful when you want to add a card that requires resources already in use by other cards or devices in your computer.

Page 68 ICU. To remove a Plug and Play or PCI expansion card, complete steps 2 through 9 in “Removing an Expansion Card” in Chapter 6. 3-12 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 69 Use the following procedure to remove a non-Plug and Play ISA expansion card from your computer: The ICU requests verification that you want to remove the card. The ICU returns to the ICU window. See “Removing an Expansion Card” in Chapter 6 for instructions. The ICU displays all resources currently used by your system.

Page 70 Plug and Play behavior. Otherwise, the device driver might not be able to find the card the next time the system boots. This procedure is referred to as locking a card. 3-14 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 71: Starting The Icu
NOTE: The locking feature of the ICU is valid only for Plug and Play and PCI expansion cards. To lock or unlock all the resources and configurations for a Plug and Play or PCI expan- sion card, perform the following steps: Complete steps 2 through 9 in “Installing an Expansion Card”...

Page 72 See “Modifying a Card” found earlier in this chapter for more information. The Lock Resources box toggles the lock state of the selected configuration setting. 3-16 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 73 If you ever need to reinstall the Microsoft Windows 95 operating system, you should also reinstall the software drivers and utilities that came with your Dell system. This section specifically describes how to reinstall DirectX drivers and video drivers.

Page 74 See the operating system documentation for more information. NOTE: If you change the display resolution, you may need to adjust the refresh rate for optimum viewing. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide a:\setup.exe a:\setup.exe...

Page 75 Your system has a Crystal CS4236B audio controller. If your system came with a Dell- installed operating system, the audio drivers for that operating system are installed on your hard-disk drive. For information on reinstalling audio drivers, reconfiguring the audio controller, or using the audio utilities provided with your system, see “Using the Audio Controller”...

Page 76 3Com EtherDisk XL diskettes that came with the NIC. Use only the 3Com EtherDisk XL version 3.01 diskettes that were provided by Dell. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 77: Network Cable Requirements
Microsoft Windows for Workgroups ® MS-DOS NOTE: The NIC drivers for systems running a Dell-installed Windows NT 4.0 or Win- dows 95 operating system are automatically detected and installed. Instructions for reconfiguring the NIC driver are included in the following subsections.

Page 78 See Chapter 2, “Using the System Setup Program,” for more information. For information on administrative users and privileges, see your Windows NT documentation. The Network Settings window appears. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 79 NOTE: If you are installing the Microsoft Windows 95 operating system for the first time, you must use either the Windows 95 service release version provided by Dell or its equivalent. Because of the advanced architecture of your system, some compo- nents do not function correctly with Windows 95 versions earlier than Service Release 2.

Page 80 See “Network Cable Requirements” found earlier in this section for more information. See Chapter 2, “Using the System Setup Program,” for more information. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 81 If the Install Driver dialog box appears and prompts you for the el90x.dos driver, type a:\ndis2\dos and click OK to load the NDIS 2 driver. To connect your system to, and configure it for use on, an Ethernet network, you must complete the following steps: Using Integrated Devices...

Page 82 See “Network Cable Requirements” found earlier in this section for more information. See Chapter 2, “Using the System Setup Program,” for more information. (3c90xcfg.exe) 4-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 83 It also familiarizes you with the internal components you may handle if you install Dell hardware options. To make working inside your computer easier, make sure you have adequate lighting and a clean work space.

Page 84 Do not remove the packing material until you are ready to install the option. Use the following procedure to remove the computer cover: Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 85 Facing the left side cover, press the release button (located at the bottom-left cor- ner of the front bezel) and lift the bottom of the cover, allowing it to pivot up toward you (see Figure 5-2). Disengage the tabs that secure the cover to the top of the chassis, and lift the cover away.

Page 86 Pivot the cover down toward the bottom of the chassis and into position. Make sure that the securing hooks at the bottom of the cover click into place. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 87 Figure 5-4 shows a side view of your computer to help you orient yourself when installing hardware options. Unless otherwise specified, locations or directions rela- tive to the computer are as shown. recessed slot Working Inside Your Computer...

Page 88 Jumpers are small blocks on a circuit board with two or more pins emerging from them. Plastic plugs containing a wire fit down over the pins. The wire connects the pins and creates a circuit. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide power supply...

Page 89 To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated. A jumper is referred to as open or unjumpered when the plug is pushed down over only one pin or if there is no plug at all. When the plug is pushed down over two pins, the jumper is referred to as jumpered .

Page 90 2 connector video connector optional integrated NIC connector microphone jack line-out jack line-in jack padlock ring Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide external drive bays internal drive cage chassis intrusion switch interface cable...

Page 91 unjumpered jumpered Working Inside Your Computer...

Page 92 NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in your online System User’s Guide . 5-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Password features are enabled. (default) Password features are disabled.

Page 93 Table 5-2 lists the labels for connectors and sockets on your system board and riser board, and it gives a brief description of their functions. BATTERY CD_IN DIMM_ x DSKT ENET HDLED IDE n INTRUSION ISA n KYBD LINE-IN LINE-OUT MONITOR MOUSE PANEL...

Page 94 Use the following procedure to remove the expansion-card cage: 5-12 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Main power input connector 3.3-V power input connector...

Page 95 securing lever tabs Use the following procedure to replace the expansion-card cage: Working Inside Your Computer 5-13...

Page 96 To access some components on the system board, you may have to rotate the system power supply out of the way. Use the following procedure to rotate the power supply: 5-14 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide power supply...

Page 97 This chapter describes how to install the following options: Industry-Standard Architecture (ISA) and Peripheral Component Interconnect (PCI) expansion cards System memory Video memory (OptiPlex GX1 only) Microprocessor This chapter also includes instructions for replacing the system battery, if necessary. Use Figure 6-1 to locate the system board features.

Page 98 PCI expansion cards and 8- and 16-bit ISA expansion cards. (See Figure 6-2 for exam- ples of ISA and PCI expansion cards.) Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide 3.3-V power DIMM sockets (3) input connector (DIMM_A–DIMM_C)

Page 99 Nine expansion-card connectors reside on the riser board (see Figure 6-3). Because two expansion slots are shared, a maximum of seven expansion cards can be installed on the riser board. Expansion-card connectors ISA1–ISA4 support 8- or 16-bit ISA expansion cards. Expansion-card connectors PCI1–PCI5 support 32-bit PCI expansion cards.

Page 100 Save the screw to use when installing the expansion card later in this procedure. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide PCI5 PCI4...

Page 101 filler bracket Insert the card-edge connector firmly into the expansion-card connector on the riser board. Gently rock the card into the connector until the card is fully seated (see Figure 6-5). card-edge connector expansion-card cage expansion card riser board expansion-card connector Installing System Board Options...

Page 102 Follow this procedure to remove an expansion card: See Chapter 3, “Using the ISA Configuration Utility,” for instructions. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 103 NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain Federal Communications Commission (FCC) certification of the system. The brackets also keep dust and dirt out of your computer. NOTE: After you remove and replace the cover, the chassis intrusion detector will cause the following message to be displayed at the next system start-up: ALERT! Cover was previously removed.

Page 104 These configurations are supported on the OptiPlex GX1 only. Follow this procedure to perform a memory upgrade: See Figure 6-1 and Table 6-1. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide 32 MB 64 MB...

Page 105 The value of System Memory is given in kilobytes (KB). To convert KBs to MBs, divide the KB total by 1024. See your Diagnostics and Troubleshooting Guide for information on running the Dell Diagnostics and troubleshooting any problems that may occur. Installing System Board Options...

Page 106 To remove a DIMM, press the securing clips outward (see Figure 6-8) simultaneously until the DIMM disengages from the socket (it should pop up slightly). 6-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide securing clips (2)

Page 107 You can upgrade video memory on an OptiPlex GX1 from 4 to 8 MB by installing a video-memory upgrade module (OptiPlex GX1p systems come with 8 MB of video memory). Upgrading the video memory increases video performance and allows you to use video modes for application programs that require high resolutions and many colors.

Page 108 (SEC) with heat sink assembly and an airflow shroud. The following procedure describes how to replace the microprocessor. NOTE: Dell recommends that only a technically knowledgeable person perform this procedure. 6-12 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 109 You must use up to 15 pounds of force to disengage the SEC cartridge from the connector. SEC cartridge tabbed guide-bracket assembly Press the SEC release latches outward until they snap into position. Orient the assembly with the heat sink facing toward the right (as you face the front of the chassis), and press the SEC firmly into its connector until it is fully seated.

Page 110 Time-of-day not set — please run SETUP program Invalid configuration information — please run SETUP program 6-14 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 111 Strike the F1 key to continue, F2 to run the setup utility To determine whether the battery needs replacing, reenter the time and date through the System Setup program (not through the MS-DOS time and date commands) and exit the program properly to save the information (see Chapter 2, “Using the System Setup Program,”...

Page 112 NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector. 6-16 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide battery BATTERY...

Page 113 Installing System Board Options 6-17...

Page 114 6-18 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 115 Your Dell computer has six drive bays for installing the following types of drives (see Figure 7-1): The externally accessible drive bays at the front of the computer consist of one 3.5-inch drive bay (dedicated to a 3.5-inch diskette drive) and three 5.25-inch bays that can hold up to three half-height, 5.25-inch devices—typically, tape drives or...

Page 116: Removing The Computer Cover
5). With the cover removed, release the bezel by pressing the tab release marked with the icon (see Figure 7-2). Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide externally accessible drive bays (4)

Page 117 tab release retaining hooks (2) While pressing the tab release, tilt the bezel away from the chassis, disengage the two retaining hooks at the bottom of the bezel, and carefully pull the bezel away from the chassis. To replace the bezel, fit the two retaining hooks on the bezel into their corresponding slots at the bottom of the chassis.

Page 118 Your drive’s power input connector (to which you connect the DC power cable) resembles the connector shown in Fig- ure 7-4. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide posts (2) power input...

Page 119 The drive’s interface connector is a card-edge connector or a header connector, as shown in Figure 7-5. card-edge connector on drive colored strip header connector on drive colored strip When attaching the interface cable to a drive, be sure to match the colored strip on the cable to pin 1 of the drive’s interface connector.

Page 120: Jumpers
Squeeze the metal tabs that extend from each side of the drive bracket toward each other, and pull the bracket out of the bay (see Figure 7-6). Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 121: Rotating The Power Supply Away From The System Board
NOTE: For easier access inside the chassis, you may want to rotate the power supply out of the way temporarily. To do so, see “Rotating the Power Supply Away From the System Board” in Chapter 5. bracket tabs (2) If a drive is already installed in the bay and you are replacing it, be sure to dis- connect the DC power cable and interface cable from the back of the drive before sliding the bracket out of the bay.

Page 122 If your system came with an EIDE CD-ROM or tape drive, use the spare connec- tor on the existing interface cable. Otherwise, use the EIDE interface cable provided in the drive kit. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 123 interface connector power input connector DC power cable For a diskette drive or non-EIDE tape drive, connect the cable from the drive to the interface connector labeled “DSKT” on the system board. For a drive that comes with its own controller card, connect the other end of the interface cable to the controller card.

Page 124 The first EIDE drive is installed in the 7-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide If you installed a diskette drive, test it by running all of the subtests in the Diskette Drive(s) test group of the Dell Diagnostics.

Page 125 If you purchased the drive from Dell, you can contact Dell for the necessary reconfiguration information. (See the chapter titled “Getting Help” in the Diag- nostics and Troubleshooting Guide for instructions on obtaining technical assistanc e.

Page 126 (see Figure 7-11). If you are installing a drive in the 1-inch bay, use the four screw holes in the bottom of the bracket. 7-12 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 127 screws (4) 1.6-inch drive Insert the bracket’s hinge tabs into the chassis slots so that the tabs hook over the slots. Then rotate the bracket toward the drive cage, and fit the bracket’s sliding tab on the drive-cage slide rail. Slide the bracket into place. Reinstall the screw you removed in step 4.

Page 128 Check all connectors to be certain that they are properly cabled and firmly seated. To locate the IDE1 connector, see Figure 6-1. 7-14 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide power input connector on drive...

Page 129: Drives: Primary And Secondary
Refer to the documentation that came with your operating system. EIDE hard-disk drives must be physically formatted, partitioned, and logically format- ted before they can be used to store data. Every hard-disk drive from Dell is physically formatted before it is sent to you.

Page 130 For the UNIX To use SCSI devices in your Dell computer, you must have a SCSI host adapter card, which comes with its own SCSI cable. This cable can be used to attach a variety of SCSI devices (hard-disk drives, tape drives, and so on).

Page 131 The type of cabling you receive with your SCSI device depends on the type of device you are installing. If you are installing an internal narrow SCSI device (such as a CD-ROM drive or tape drive) , you have a 50-pin internal SCSI cable as shown in Figure 7-14. One end of this cable attaches to the SCSI host adapter.

Page 132: Removing An Expansion Card
SCSI hard-disk drives is accessed. 7-18 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide To install a SCSI hard-disk drive , complete steps 3 through 7 of “Installing an EIDE Hard-Disk Drive in the Hard-Disk Drive Bracket”...

Page 133: Removing And Replacing The Front Bezel
For additional instructions on connecting SCSI devices, see “SCSI Cable and SCSI Termination” found earlier in this section. If you are installing an internal SCSI device , firmly press the SCSI cable’s header connector onto the 50- or 68-pin connector on the back of the device. The connectors on narrow SCSI cables are keyed for proper positioning—a raised area on the outside of the header connector fits into a notch on the device con- nector.

Page 134: Partitioning And Formatting Scsi Hard-Disk Drives
MS-DOS–based operating systems (including Windows NT , when using a FAT16 file system) do not support drive partitions larger than 2 GB. 7-20 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 135 333 MHz internally/66 MHz externally, at 350 MHz internally/100 MHz externally, at 400 MHz internally/100 MHz externally, or at 450 MHz internally/100 MHz externally. Design provides for future Dell-supported upgrades. A slower compatibility speed can be set through the System Setup program.

Page 136 NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide ISA: 8.33 MHz...

Page 137 Externally accessible bays ... . three 5.25-inch bays for diskette, tape, or Internally accessible bays ... . two 3.5-inch bays: one for a 1-inch-high Externally accessible: Serial (DTE).

Page 138 System User’s Guide. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide ......toggles microprocessor speeds on 101-key ><...

Page 139 Height ......44.4 cm (17.5 inches) Width......20.6 cm (8.1 inches) Depth.

Page 140 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 141 The ISA Configuration Utility (ICU) and its Configuration Manager are capable of iden- tifying problems and alerting you to them. Both utilities can alert you to problems with card configuration as well as problems that prevent proper operation of the utility. This appendix describes each type of message and lists the possible causes and actions you can take to resolve any problems indicated by a message.

Page 142 NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide . Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Disable any TSR programs or any unneeded device drivers.

Page 143: Adding A Listed Card
The selected card is un- This device is configurable because one unconfigurable of its resources is already because of a being used by another resource conflict device. with card card_name . The con- flicting resource is resource_name . To fix, reconfigure the conflicting card.

Page 144: Modifying A Card
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide . Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Try each of the following options until the problem...

Page 145 This message appears The configuration when you try to add a (.cfg) file used by listed card and the config- the ICU for this uration file for this card card is now invalid has been corrupted or or does not exist. deleted from the data- Do you wish to load base.

Page 146 NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide . Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide This message appears at Status message;...

Page 147 NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide . An attempt to write to Run the Dell Diagnostics to verify the NVRAM failed. integrity of your system NVRAM. See Chapter 4, “Running the Dell Diagnostics,”...

Page 148 NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide . Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide The card(s) mentioned...

Page 149 WARNING: Could not con- figure Plug and Play Card Name . WARNING: Could not con- figure PCI device, ID= DeviceID . Failed to configure Num- ber of Total Count Plug and Play ISA devices. Use your system’s configura- tion utility to resolve conflicts.

Page 150 B-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 151 Printing Office, Washington, DC 20402, Stock No. 004-000-00450-7 or on the World Wide Web at http://www.fcc.gov/Bureaus/Compliance/WWW/ tvibook.html. Dell computer systems are designed, tested, and classified for their intended electro- magnetic environment. These electromagnetic environment classifications generally refer to the following harmonized definitions: Class A is typically for business or industrial environments.

Page 152 This device may not cause harmful interference. This device must accept any interference received, including interference that may cause undesired operation. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide ), your system is con-...

Page 153 Round Rock, Texas 78682 USA 512-338-4400 Most Dell computer systems (and other Dell digital apparatus) are classified by the Industry Canada (IC) Interference-Causing Equipment Standard #3 (ICES-003) as Class B digital devices. To determine which classification (Class A or B) applies to your computer system (or other Dell digital apparatus), examine all registration labels located on the bottom or the back panel of your computer (or other digital apparatus).

Page 154 A “Declaration of Conformity” in accordance with the preceding directives and stan- dards has been made and is on file at Dell Products Europe BV, Limerick, Ireland. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 155: Class A Device
The user of the device is obliged to take all steps necessary to remove sources of interference to telecommunication or other devices. Most Dell computer systems are classified by the Voluntary Control Council for Inter- ference (VCCI) as Class B information technology equipment (ITE). However, the inclusion of certain options can change the rating of some configurations to Class A.

Page 156 B products, appears in the center of the MOC label (see Figures E-3 and E-4). NOTE: MOC emissions requirements provide for two classifications: Class A devices are for business purposes. Class B devices are for nonbusiness purposes. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide VCCI-A...

Page 157 Please note that this device has been approved for business purposes with regard to electromagnetic interference. If you find that this device is not suitable for your use, you may exchange it for a nonbusiness device. EMI ( A ) Please note that this device has been approved for nonbusiness purposes and may be used in any environment, including residential areas.

Page 158 A protection mark “B” confirms that the equipment is in compliance with the protec- tion usage requirements of standards PN-93/T-42107 and PN-89/E-06251. Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 159 Mexican standards (NOM): Exporter: Dell Computer Corporation One Dell Way Round Rock, TX 78682 Importer: Dell Computer de México, S.A. de C.V. Rio Lerma No. 302 - 4° Piso Col. Cuauhtemoc 16500 México, D.F . Ship to: Dell Computer de México,...

Page 160 Embarcar a: Tensión alimentación: Frecuencia: Consumo de corriente: C-10 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide Dell Computer Corporation One Dell Way Round Rock, TX 78682 Dell Computer de México, S.A. de C.V.

Page 161 This warranty does not cover any items that are in one or more of the following cate- gories: software; external devices (except as specifically noted); accessories or parts added to a Dell system after the system is shipped from Dell; accessories or parts added to a Dell system through Dell’s system integration department; accessories or parts that are not installed in the Dell factory;...

Page 162 The warranty term for a replacement part is the remainder of the limited warranty term. You will pay Dell for replacement parts if the replaced part is not returned to Dell. The process for returning replaced parts, and your obligation to pay for replacement parts if you do not return the replaced parts to Dell, will be in accordance with Dell’s...

Page 163 If you are an end-user customer who bought new products directly from a Dell com- pany, you may return them to Dell within 30 days of the date of invoice for a refund or credit of the product purchase price. If you are an end-user customer who bought...

Page 164 To make a claim under this warranty for NSTL logo hardware, customers must con- tact Dell prior to January 1, 2001. Despite a system's ability to pass the YMARK2000 test, actual rollover results in specific operating environments may vary depending on other factors includ- ing, but not limited to, other hardware, operating systems, and applications software.

Page 165 Dell specifically excludes all non-Dell-developed software from this compliance state- ment. All software run on Dell-branded hardware products should be independently verified by customers to be year 2000-compliant. For additional information on year 2000 compliance of Dell-branded hardware prod- ucts, refer to Dell's Year 2000 Web site at http://www.dell.com/year2000 or contact a Dell customer service representative in your area.

Page 166 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

Page 167 AC power receptacle, 5-8 accelerated graphics port. See AGP ACPI option, 2-8 AGP, 1-3 alternating current. See AC Asset Tag option, 2-16 assistance, technical, 1-13 audio controller, 4-3 audio line-in jack, 4-3 audio line-out jack, 4-3 Auto Power On option, 2-12 autoconfiguration serial ports, 2-14 basic input/output system.

Page 168 6-7 capacities supported, 1-2 installing, 6-7, 6-10 removing, 6-10 sockets, 6-2 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide direct current See DC Diskette Drive A and Diskette Drive B options, 2-5 diskette drives...

Page 169 ECC, 1-2 EDO, 1-2 EIDE hard-disk drives addressing, 7-11 disabling the built-in interface, 2-15 formatting, 7-15 installing, 7-10 interface connectors, 6-2 partitioning, 7-15 electrostatic discharge. See ESD enhanced integrated drive electronics. See EIDE error checking and correction. See ECC error messages, 2-22, B-1 ESD, viii expansion cards about, 6-2...

Page 170 6-2, 7-5 ISA expansion cards See also expansion cards jacks locations on back panel, 5-8 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide jumpers about, 5-8 BIOS jumper, 5-10 location, 5-9 PSWD jumper, 2-21, 5-10...

Page 171: Responding To Error Messages
screens, 2-2 ICU, B-1 invalid configuration information, 2-1, prompt to enter the System Setup program, 2-1 responding to error messages, 2-22 microphone jack, 4-3, 5-8, 6-2 microprocessor disconnection from tabbed guide- bracket assembly, 6-13 fan connector, 6-2 installing, 6-12 jumper settings for speed, 5-10, 6-14 replacing, 6-12 SEC cartridge location, 6-2 socket, 5-12...

Page 172 7-16 ID numbers, 7-16 installing, 7-16 interface cables, 7-17 partitioning SCSI hard-disk drives, 7-20 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide termination, 7-17 SEC cartridge location, 6-2 security, 2-12, 2-22 See also setup password;...

Page 173: System Data Options
features, 1-2, 6-2 system configuration information, 2-1 system data options, 2-16 System Memory option, 2-16 system password about, 2-16, 2-20 assigning, 2-17 changing or deleting an existing password, 2-19 disabling a forgotten password, 2-21 entering a wrong or incomplete password, 2-19 risk of not using password, 2-17 using to secure your system, 2-18 viewing current status, 2-8...

Page 174: Windows Nt 3.5X Nic
4-7 reinstalling, 1-11 Windows 98 NIC driver, 4-7 Windows for Workgroups NIC driver, 4-8 Windows NT 3.5x NIC driver, 4-6 Windows NT 4.0 NIC driver, 4-5 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide...

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