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PICO-KBU4 PICO-KBU4 Single-Board Computer User’s Manual 5 Last Updated: November 30, 2020...
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Copyright Notice This document is copyrighted, 2020. All rights are reserved. The original manufacturer reserves the right to make improvements to the products described in this manual at any time without notice. No part of this manual may be reproduced, copied, translated, or transmitted in any form or by any means without the prior written permission of the original manufacturer.
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Acknowledgement All other products’ name or trademarks are properties of their respective owners. Microsoft Windows ® is a registered trademark of Microsoft Corp. ⚫ ITE is a trademark of Integrated Technology Express, Inc. ⚫ IBM, PC/AT, PS/2, and VGA are trademarks of International Business Machines ⚫...
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Packing List Before setting up your product, please make sure the following items have been shipped: Item Quantity PICO-KBU4 ⚫ If any of these items are missing or damaged, please contact your distributor or sales representative immediately. Preface...
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About this Document This User’s Manual contains all the essential information, such as detailed descriptions and explanations on the product’s hardware and software features (if any), its specifications, dimensions, jumper/connector settings/definitions, and driver installation instructions (if any), to facilitate users in setting up their product. Users may refer to the product page at AAEON.com for the latest version of this document.
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Safety Precautions Please read the following safety instructions carefully. It is advised that you keep this manual for future references All cautions and warnings on the device should be noted. Make sure the power source matches the power rating of the device. Position the power cord so that people cannot step on it.
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If any of the following situations arises, please the contact our service personnel: Damaged power cord or plug Liquid intrusion to the device iii. Exposure to moisture Device is not working as expected or in a manner as described in this manual The device is dropped or damaged Any obvious signs of damage displayed on the device...
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FCC Statement This device complies with Part 15 FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received including interference that may cause undesired operation.
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China RoHS Requirement (EN) Poisonous or Hazardous Substances or Elements in Products AAEON Main Board/ Daughter Board/ Backplane Poisonous or Hazardous Substances or Elements Hexavalent Polybrominated Polybrominated Component Lead Mercury Cadmium Chromium Biphenyls Diphenyl Ethers (Pb) (Hg) (Cd) (Cr(VI)) (PBB) (PBDE) PCB &...
Specifications System Pico-ITX Form Factor 7th Generation Intel® Core™ U-series processors: Intel® Core™ i7-7600U, i5-7300U, i3-7100U Celeron® 3965U (optional) Up to 3.9/2.8 GHz CPU Frequency 7th Generation Intel® Core™ U-series Chipset processors: Intel® Core™ i7-7600U, i5-7300U, i3-7100U Celeron® 3965U (optional) DDR4 1866/2133MHz SODIMM x 1, Max 16 GB Memory Type Up to 16 GB...
List of Jumpers Please refer to the table below for all of the board’s jumpers that you can configure for your application Label Function LVDS Backlight Lightness Control Mode Selection LVDS Operating Voltage Selection LVDS Backlight Inverter Voltage Selection Clear CMOS Jumper Auto Power Button Enable/Disable Selection 2.3.1 LVDS Backlight Lightness Control Mode Selection (JP3)
2.3.3 LVDS Backlight Inverter Voltage Selection (JP4) +12V (Default) 2.3.4 Clear CMOS Jumper (JP5) Clear CMOS Normal (Default) 2.3.5 Auto Power Button Enable/Disable Selection (JP5) Enable Auto Power Button Disable Auto Power Button (Default) Chapter 2 – Hardware Information...
List of Connectors Please refer to the table below for all of the board’s connectors that you can configure for your application Label Function RTC Battery Connector HDMI LVDS Inverter / Backlight Connector LVDS Port LAN (RJ-45) Port1 LAN (RJ-45) Port2 Digital IO Port CN10 USB 2.0 Port 1/2...
2.4.1 RTC Battery Connector (CN1) Pin Name Signal Type Signal Level +3.3V +3.3V 2.4.2 HDMI (CN2) Pin Name Signal Type Signal level HDMI_TX2+ DIFF HDMI_TX2- DIFF HDMI_TX1+ DIFF HDMI_TX1- DIFF Chapter 2 – Hardware Information...
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Pin Name Signal Type Signal level HDMI_TX0+ DIFF HDMI_TX0- DIFF HDMI_CLK+ DIFF HDMI_CLK- DIFF DDC_CLK DDC_DATA HDMI_HPD Chapter 2 – Hardware Information...
2.4.3 LVDS Inverter / Backlight Connector (CN4) Pin Name Signal Type Signal Level BKL_PWR +5V/+12V BKL_CONTROL BKL_ENABLE +3.3V Note: LVDS/BKL_PWR can be set to +5V or +12V by JP4. Note: LVDS/BKL_CONTROL can be set by JP3. Note: The driving current supports up to 1A. Chapter 2 –...
2.4.4 LVDS Port (CN5) Note: LVDS LCD_PWR can be set to +3.3V or +5V by JP4. Note: The max driving current is 1A. Pin Name Signal Type Signal Level BKL_ENABLE BKL_CONTROL LCD_PWR +3.3V/+5V LVDS_A_CLK- DIFF LVDS_A_CLK+ DIFF LCD_PWR +3.3V/+5V LVDS_DA0- DIFF LVDS_DA0+ DIFF...
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Pin Name Signal Type Signal Level DDC_CLK +3.3V LVDS_DB0- DIFF LVDS_DB0+ DIFF LVDS_DB1- DIFF LVDS_DB1+ DIFF LVDS_DB2- DIFF LVDS_DB2+ DIFF LVDS_DB3- DIFF LVDS_DB3+ DIFF LCD_PWR +3.3V/+5V LVDS_B_CLK- DIFF LVDS_B_CLK+ DIFF Chapter 2 – Hardware Information...
2.4.8 USB 2.0 Port 1/2 (CN10) Pin Name Signal Type Signal Level +V5SB +V5SB USB1_D- DIFF USB2_D- DIFF USB1_D+ DIFF USB2_D+ DIFF Chapter 2 – Hardware Information...
2.4.10 External +12V Input (CN14) Pin Name Signal Type Signal Level +12V +12V 2.4.11 Front Panel Port (CN15) Pin Name Signal Type Signal level EXT_PWRBTN# SATA_LED- SATA_LED+ BUZZER- BUZZER+ Chapter 2 – Hardware Information...
Pin Name Signal Type Signal level PWR_LED+ HWRST# 2.4.12 COM Port1/ COM Port2 (CN16) Pin Name Signal Type Signal Level LOUT_L LOUT_R AGND DCDA DCDB ±9V ±9V DTRA ±9V DTRB ±9V Chapter 2 – Hardware Information...
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Pin Name Signal Type Signal Level DSRA DSRB RTSA ±9V RTSB ±9V CTSA CTSB RIA/+5V/+12V IN/ PWR +5V/+12V RIB/+5V/+12V IN/ PWR +5V/+12V COM Port 2 RS-422 Pin Name Signal Type Signal Level RS422_TX- ±5V RS422_TX+ ±5V RS422_RX+ RS422_RX- COM Port 2 RS-485 Pin Name Signal Type Signal Level...
2.4.15 SATA Port (CN20) Pin Name Signal Type Signal Level SATA_TX+ DIFF SATA_TX- DIFF SATA_RX- DIFF SATA_RX+ DIFF 2.4.16 +5V Output for SATA HDD (CN21) Pin Name Signal Type Signal Level +V5S Chapter 2 – Hardware Information...
2.4.18 Smart FAN Connector (CN27) Pin Name Signal Type Signal Level +V3.3S +12V TACH 2.4.19 M.2 (Key E) Connector (CN30) Pin Name Signal Type Signal Level +V3.3A +3.3V USB2P_5 IN/OUT +V3.3A +3.3V USB2N_5 IN/OUT Chapter 2 – Hardware Information...
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Pin Name Signal Type Signal Level PCIE1_TXP DIFF PCIE1_TXN DIFF PCIE1_RXP DIFF PCIE1_RXN DIFF Chapter 2 – Hardware Information...
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Pin Name Signal Type Signal Level PCIE1_CLKP DIFF PCIE1_CLKN DIFF BUF_PLT_RST# PCIE_CLK_REQ1# W_DISABLE1# PCIE_WAKE# W_DISABLE2# Chapter 2 – Hardware Information...
Pin Name Signal Type Signal Level +V3.3S +3.3V +V3.3S +3.3V 2.4.20 DDR4 SO-DIMM Slot (DIMM1) Standard specification Chapter 2 – Hardware Information...
System Test and Initialization The system uses certain routines to perform testing and initialization during the boot up sequence. If an error, fatal or non-fatal, is encountered, the system will output a few short beeps or display an error message. The system can usually continue the boot up sequence with non-fatal errors.
AMI BIOS Setup AMI BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration. This type of information is stored in battery-backed CMOS RAM and BIOS NVRAM so that it retains the Setup information when the power is turned off. Entering Setup Power on the computer and press or ...
3.4.1 CPU configuration Options Summary Hyper-Threading Disabled Enabled Optimal Default, Failsafe Default Enable for Linux and Disabled for other OS. Active Processor Cores Optimal Default, Failsafe Default Number of cores to enable in each processor package. Intel (VMX) Virtualization Disabled Technology Enabled Optimal Default, Failsafe Default...
3.4.3.1 CPU Smart Fan Mode Configuration Options Summary Smart Fan1 Type Use linear fan application circuit. Output PWM mode (open Optimal Default, Failsafe Default drain) to control 4-wire fans. Smart fan type Fan Mode Manual Duty Auto Duty Optimal Default, Failsafe Default Smart fan mode Temperature Source Optimal Default, Failsafe Default...
3.4.4.1 Serial Port Configuration Options Summary Use This Device Disabled Enabled Optimal Default, Failsafe Default Enable or Disable Serial Port (COM) Possible: Use Automatic Settings Optimal Default, Failsafe Default IO=2F8; IRQ=3; IO=3F8; IRQ=4; Select an optimal setting for IO device Mode: RS232 Optimal Default, Failsafe Default...
3.4.5 USB Configuration Options Summary Legacy USB Support Enabled Optimal Default, Failsafe Default Disabled Auto Enables BIOS Support for Legacy USB Support. When enabled, USB can be functional in legacy environment like DOS. AUTO option disables legacy support if no USB devices are connected Device Name (Emulation Auto Optimal Default, Failsafe Default...
3.4.6 Digital IO Port Configuration Options Summary DIO Port Output Input Set DIO as Input or Output Output Level High Optimal Default, Failsafe Default Set output level when DIO pin is output Chapter 3 – AMI BIOS Setup...
3.4.7 Power management Options Summary Power Mode ATX Type Optimal Default, Failsafe Default AT Type Select power supply mode. Restore on Power Loss Last State Always On Always Off Optimal Default, Failsafe Default Select power state when power is re-applied after a power failure. RTC wake system from S5 Disabled Optimal Default, Failsafe Default...
3.5.1.1 Graphics Configuration Options Summary Primary IGFX Boot Display VBIOS Default Optimal Default, Failsafe Default HDMI LVDS Select the Video Device which will be activated during POST. This has no effect if external graphic present. Secondary boot display selection will appear based on your selection. Chapter 3 –...
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Options Summary Select LCD panel used by Internal Graphics Device by selecting the appropriate setup item. Color Depth 18-bit Optimal Default, Failsafe Default 24-bit 36-bit 48-bit Select panel type Backlight Type Normal Optimal Default, Failsafe Default Inverted Select backlight control signal type Backlight Level Optimal Default, Failsafe Default 100%...
3.5.2 PCH-IO Configuration Options Summary HD Audio Disabled Enabled Optimal Default, Failsafe Default Control Detection of the HD-Audio device. Disabled = HDA will be unconditionally disabled Enabled = HDA will be unconditionally enabled Auto = HDA will be enabled if present, disabled otherwise. PCI Express Root Port 1 Enabled Optimal Default, Failsafe Default...
Setup Submenu: Security Change User/Administrator Password You can set an Administrator Password or User Password. An Administrator Password must be set before you can set a User Password. The password will be required during boot up, or when the user enters the Setup utility. A User Password does not provide access to many of the features in the Setup utility.
3.6.1 Secure Boot Options Summary Secure Boot Disabled Optimal Default, Failsafe Default Enabled Secure Boot feature is Active if Secure Boot is Enabled, Platform Key (PK) is enrolled and the System is in User mode. The mode change requires platform reset Secure Boot Mode Custom Optimal Default, Failsafe Default...
3.6.1.1 Key Management Options Summary Factory Key Provision Disabled Optimal Default, Failsafe Default Enabled Secure Boot feature is Active if Secure Boot is Enabled, Platform Key (PK) is enrolled and the System is in User mode. The mode change requires platform reset Restore Factory Keys Force System to User Mode.
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Options Summary Remove 'UEFI CA' from DB Device Guard ready system must not list 'Microsoft UEFI CA' Certificate in Authorized Signature database (db) Restore DB defaults Restore DB variable to factory defaults Platform Key(PK) Details Export Update Delete Key Exchange Keys Details Export Update...
Driver Download/Installation Drivers for the PICO-KBU4 can be downloaded from the product page on the AAEON website by following this link: https://www.aaeon.com/en/p/pico-itx-boards-pico-kbu4#downloads Download the driver(s) you need and follow the steps below to install them. Step 1 – Install Chipset Driver Open the STEP1 - CHIPSET folder and open the SetupChipset.exe file Follow the instructions Drivers will be installed automatically...
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Step 4 – Install Audio Driver Open the STEP4 - Audio folder and select your OS Open the Setup.exe file Follow the instructions Driver will be installed automatically Step 5 – Install Serial Port Driver (Optional) Open the STEP5 – Serial Port Driver folder and select your OS Open the .exe file Follow the instructions Driver will be installed automatically...
List of Mating Connectors and Cables The table notes mating connectors and available cables. Mating Connector Connector Available Function Cable P/N Label Vendor Model no Cable Battery Molex 51021-0200 Battery 175011301C Cable HDMI Molex 88768-9900 LVDS Port SHR-05V-S-B LVDS 1709050203 Inverter/ Inverter Backlight...
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Mating Connector Connector Available Function Cable P/N Label Vendor Model no Cable CN21 +5V Output PHR-2 SATA 1702150155 for SATA power Cable CN23 DC Jack HUANG JI 5525C257-3T00-R1- Power 1702041004 (Optional) Cable CN27 Molex 51021-0400 Connector Appendix B – Mating Connectors...