AXIOMTEK CAPA84R User manual

CAPA84R
Intel®Celeron®J1900/J1800
Processor 3.5”Board
User’s Manual

ii
Disclaimers
This manual has been carefully checked and believed to contain accurate information.
Axiomtek Co., Ltd. assumes no responsibility for any infringements of patents or any third
party’s rights, and any liability arising from such use.
Axiomtek does not warrant or assume any legal liability or responsibility for the accuracy,
completeness or usefulness of any information in this document. Axiomtek does not make any
commitment to update the information in this manual.
Axiomtek reserves the right to change or revise this document and/or product at any time
without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted, in
any form or by any means, electronic, mechanical, photocopying, recording, or otherwise,
without the prior written permission of Axiomtek Co., Ltd.
CAUTION
If you replace wrong batteries, it causes the danger of explosion. It is recommended by the
manufacturer that you follow the manufacturer’s instructions to only replace the same or
equivalent type of battery, and dispose of used ones.
Copyright 2018 Axiomtek Co., Ltd.
All Rights Reserved
November 2018, Version A1
Printed in Taiwan

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ESD Precautions
Computer boards have integrated circuits sensitive to static electricity. To prevent chipsets
from electrostatic discharge damage, please take care of the following jobs with precautions:
Do not remove boards or integrated circuits from their anti-static packaging until you are
ready to install them.
Before holding the board or integrated circuit, touch an unpainted portion of the system
unit chassis for a few seconds. It discharges static electricity from your body.
Wear a wrist-grounding strap, available from most electronic component stores, when
handling boards and components.
Trademarks Acknowledgments
Axiomtek is a trademark of Axiomtek Co., Ltd.
Intel®and Celeron®are trademarks of Intel Corporation.
Windows®is a trademark of Microsoft Corporation.
AMI is a trademark of American Megatrend Inc.
IBM, PC/AT, PS/2, VGA are trademarks of International Business Machines Corporation.
Other brand names and trademarks are the properties and registered brands of their
respective owners.

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Table of Contents
Disclaimers.....................................................................................................ii
ESD Precautions...........................................................................................iii
Chapter 1 Introduction............................................. 1
1.1 Features...............................................................................................2
1.2 Specifications......................................................................................2
1.3 Utilities Supported ..............................................................................3
Chapter 2 Board and Pin Assignments.................... 5
2.1 Board Dimensions and Fixing Holes.................................................5
2.2 Board Layout.......................................................................................7
2.3 Jumper and Switch Settings ..............................................................9
2.3.1 LVDS Voltage Selection (JP1)................................................................... 10
2.3.2 Restore BIOS Optimal Defaults (SW1)..................................................... 10
2.3.3 Auto Power On (SW2)............................................................................... 10
2.4 Connectors........................................................................................11
2.4.1 SMBus Connector (CN1) .......................................................................... 12
2.4.2 Digital I/O Connector (CN2) ...................................................................... 12
2.4.3 Front Panel Connector (CN3) ................................................................... 13
2.4.4 DC +12V Power Input Connector (CN5/ATX1)......................................... 13
2.4.5 Fan Connector (CN7)................................................................................ 14
2.4.6 DC +5V/15W Power Output Connector (CN8).......................................... 14
2.4.7 M.2 2230 Key E Connector (CN9) ............................................................ 15
2.4.8 SATAPower Connector (CN10)................................................................ 16
2.4.9 SIM Card Wafer Connector (CN11)........................................................... 16
2.4.10 SATA Connector (CN12) ........................................................................... 16
2.4.11 M.2 2242/3042 Key B Connector (CN13) ................................................. 17
2.4.12 USB 2.0 Wafer Connector (CN14)............................................................ 18
2.4.13 Inverter Connector (CN15)........................................................................ 18
2.4.14 Audio Wafer Connector (CN16) ................................................................ 18
2.4.15 Ethernet Wafer Connector (CN17)............................................................ 19
2.4.16 LVDS Connector (CN18)........................................................................... 20
2.4.17 USB 3.0/2.0 Type A Connector (CN19)..................................................... 22
2.4.18 DisplayPort Connector (CN20).................................................................. 22
2.4.19 Ethernet Ports (CN21 and CN23) ............................................................. 23
2.4.20 Audio Line-out Phone Jack (CN22)........................................................... 23
2.4.21 VGA Connector (VGA1) ............................................................................ 23
2.4.22 COM Wafer Connectors (COM1 and COM2)............................................ 24
2.4.23 CMOS Battery Connector (BAT1)............................................................. 24

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Chapter 3 Hardware Description ........................... 25
3.1 Microprocessors ...............................................................................25
3.2 BIOS ...................................................................................................25
3.3 System Memory.................................................................................25
3.4 I/O Port Address Map........................................................................26
3.5 Interrupt Controller (IRQ) Map .........................................................27
3.6 Memory Map ......................................................................................29
Chapter 4 AMI BIOS Setup Utility .......................... 31
4.1 Starting...............................................................................................31
4.2 Navigation Keys ................................................................................31
4.3 Main Menu..........................................................................................33
4.4 Advanced Menu.................................................................................34
4.5 Chipset Menu.....................................................................................47
4.6 Security Menu....................................................................................51
4.7 Boot Menu..........................................................................................52
4.8 Save & Exit Menu ..............................................................................53
Appendix A Watchdog Timer................................... 55
A.1 About Watchdog Timer.....................................................................55
A.2 How to Use Watchdog Timer............................................................55
A.3 Sample Program................................................................................56
Appendix B Digital I/O ............................................. 59
B.1 About Digital I/O................................................................................59
B.2 Digital I/O Programming ...................................................................59
Appendix C BIOS Flash Utility ................................ 63

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CAPA84R Capa Board
Introduction 1
Chapter 1
Introduction
The CAPA84R, a 3.5”board, supports Intel®Celeron®J1900/J1800 processor. It delivers
outstanding system performance through high-bandwidth interfaces, multiple I/O functions for
interactive applications and various embedded computing solutions.
The CAPA84R has one 204-pin unbuffered SO-DIMM socket for single channel DDR3L
1333MHz memory with maximum capacity up to 8GB. There are three Gigabit/Fast Ethernet
ports, one SATA port with transfer rate up to 3Gb/s, one USB 3.0 super speed compliant, two
USB 2.0 high speed compliant, and built-in HD audio codec that can achieve the best stability
and reliability for industrial applications. Additionally, it provides you with unique embedded
features, such as two serial ports (two RS-232) and 3.5”form factor that applies an extensive
array of PC peripherals.

CAPA84R Capa Board
2 Introduction
1.1 Features
Intel®Celeron®quad core J1900 (2GHz) and dual core J1800 (2.41GHz)
1 DDR3L SO-DIMM supports up to 8 GB memory capacity
1 USB 3.0 port
2 USB 2.0 ports
2 COM ports
1 M.2 Key B
1 M.2 Key E
+12V only DC-in supported
1.2 Specifications
CPU
Intel®Celeron®quad core J1900 2GHz.
Intel®Celeron®dual core J1800 2.41GHz.
Thermal Solution
Passive.
Operating Temperature
-20oC~-60oC or -20oC~-70oC, subject to thermal solution
BIOS
American Megatrends Inc. UEFI (Unified Extensible Firmware Interface) BIOS.
16Mbit SPI Flash, DMI, Plug and Play.
PXE Ethernet Boot ROM.
System Memory
One 204-pin unbuffered DDR3L SO-DIMM socket.
Maximum up to 8GB DDR3L 1333MHz memory.
Onboard Multi I/O
Controller: Fintek F81803.
Serial Ports: Two ports for RS-232
Serial ATA
One SATA-300 connector.
One M.2 Key B connector 2242/3042
USB Interface
One USB port with fuse protection and complies with USB Spec. Rev. 3.0 in Type A
connector.
Two USB ports with fuse protection and complies with USB Spec. Rev. 2.0 in 2x5-pin
wafer connector.
Display
One 15-pin D-Sub as VGA connector with max. resolution 1920x1200 @60Hz.
One 2x20-pin connector for 18/24-bit single/dual channel LVDS with one 8-pin
inverter connector. LVDS resolution is up to 1920x1200 in 24-bit dual channels.
One DisplayPort with max. resolution 2560x1440 @60Hz.

CAPA84R Capa Board
Introduction 3
Watchdog Timer
1~255 seconds or minutes; up to 255 levels.
Ethernet
Three LAN ports with Intel®i211AT support 1000/100/10Mbps Gigabit/Fast Ethernet
with Wake-on-LAN and PXE Boot ROM.
Audio
HD audio with Realtek ALC662.
Line-out and line-in/MIC-in via box header connector.
Line-out in 3.5 phone jack on the rear I/O.
Expansion Interface
One M.2 Key E connector 2230.
Power Input
One 2x2-pin connector.
+12V DC-in only at minimum 12V/0.87A.
AT auto power on function supported.
Power Management
ACPI (Advanced Configuration and Power Interface).
Form Factor
3.5”form factor.
Note
All specifications and images are subject to change without notice.
1.3 Utilities Supported
Chipset and graphics driver
Ethernet driver
Audio driver
Trusted Execution Engine
Sideband Fabric Device
USB 3.0 xHCI driver (for Windows®7)

CAPA84R Capa Board
4 Introduction
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CAPA84R Capa Board
Board and Pin Assignments 5
Chapter 2
Board and Pin Assignments
2.1 Board Dimensions and Fixing Holes
Top View

CAPA84R Capa Board
6 Board and Pin Assignments
Bottom View
Side View

CAPA84R Capa Board
Board and Pin Assignments 7
2.2 Board Layout
Top View
Side View

CAPA84R Capa Board
8 Board and Pin Assignments
Bottom View

CAPA84R Capa Board
Board and Pin Assignments 9
2.3 Jumper and Switch Settings
Jumper is a small component consisting of jumper clip and jumper pins. Install jumper clip on 2
jumper pins to close. And remove jumper clip from 2 jumper pins to open. Below illustration
shows how to set up jumper.
Properly configure jumper and switch settings on the CAPA84R to meet your application
purpose. Below you can find a summary table of jumpers, switch and onboard default settings.
Note
Once the default jumper or switch setting needs to be changed, please do it under
power-off condition.
Jumper and Switch
Description
Setting
JP1
LVDS Voltage Selection
Default: +3.3V Level
1-2 Close
SW1
Restore BIOS Optimal Defaults
Default: Normal Operation
Release
SW2
Auto Power On
Default: Disable
1-2 Close

CAPA84R Capa Board
10 Board and Pin Assignments
2.3.1 LVDS Voltage Selection (JP1)
This is a 2x3-pin (pitch=2.0mm) jumper. The board supports voltage selection for flat
panel displays. Use JP1 to set LVDS connector (CN18) pin 1~6 VCCM to +3.3V, +5V or
+12V voltage level. To prevent hardware damage, before connecting please make sure
that input voltage of the flat panel is correct.
2.3.2 Restore BIOS Optimal Defaults (SW1)
Use SW1 to clear CMOS. Press the tact switch for at least 1 second to restore BIOS
optimal defaults.
2.3.3 Auto Power On (SW2)
If SW2 is enabled for power input, the system will be automatically power on without
pressing soft power button. If SW2 is disabled for power input, it is necessary to
manually press soft power button to power on the system.
Function
Setting
+3.3V level (Default)
1-2 close
+5V level
2-4 close
Or
4-6 close
+12V level
5-6 close
Function
Setting
Normal (Default)
Release
Restore BIOS optimal defaults
Press
Function
Setting
Disable auto power on (Default)
1-2 close
Enable auto power on
2-3 close

CAPA84R Capa Board
Board and Pin Assignments 11
2.4 Connectors
Signals go to other parts of the system through connectors. Loose or improper connection
might cause problems, please make sure all connectors are properly and firmly connected.
Here is a summary table of connectors on the hardware.
Connector
Description
CN1
SMBus Connector
CN2
Digital I/O Connector
CN3
Front Panel Connector
CN5/ATX1
DC +12V Power Input Connector
CN7
Fan Connector
CN8
DC +5V/15W Power Output Connector
CN9
M.2 2230 Key E Connector
CN10
SATA Power Connector
CN11
SIM Card Wafer Connector
CN12
SATA Connector
CN13
M.2 2242/3042 Key B Connector
CN14
USB 2.0 Port 1 and 2 Wafer Connector
CN15
Inverter Connector
CN16
Audio Line-in/Line-out/Mic-in Wafer Connector
CN17
Ethernet Port 3 Wafer Connector
CN18
LVDS Connector
CN19
USB 3.0/2.0 Port 0 Type A Connector
CN20
DisplayPort Connector
CN21, CN23
Ethernet Port 1 and 2
CN22
Audio Line-out Phone Jack
VGA1
VGA Connector
COM1, COM2
COM1 and COM2 Wafer Connector
BAT1
CMOS Battery Connector
SODIMM1
DDR3L SO-DIMM Connector

CAPA84R Capa Board
12 Board and Pin Assignments
2.4.1 SMBus Connector (CN1)
This is a 3-pin (pitch=2.0mm) wafer connector which is compliant with JST
B4B-PH-SM3-TB for SMbus interface. The SMBus (System Management Bus) is a
simple bus for the purpose of lightweight communication.
1
2.4.2 Digital I/O Connector (CN2)
This is a 2x5-pin (pitch=2.0mm) connector. The board is equipped with an 8-bit digital
I/O that meets requirements for a system customary automation control. The digital I/O
can be configured to control cash drawers and sense warning signals from an
Uninterrupted Power System (UPS), or perform store security control. You may use
software programming to control these digital signals, please refer to Appendix B.
Pin
Signal
1
CLK
2
DATA
3
GND
Pin
Signal
Pin
Signal
1
Digital Input Output 0
(Default: Output)
2
Digital Input Output 7
(Default: Input)
3
Digital Input Output 1
(Default: Output)
4
Digital Input Output 6
(Default: Input)
5
Digital Input Output 2
(Default: Output)
6
Digital Input Output 5
(Default: Input)
7
Digital Input Output 3
(Default: Output)
8
Digital Input Output 4
(Default: Input)
9
+5V level
10
GND

CAPA84R Capa Board
Board and Pin Assignments 13
2.4.3 Front Panel Connector (CN3)
This is a 2x5-pin header (pitch=2.0mm) for front panel interface.
External Speaker
Pin 1(-) and 2(+) connect the case-mounted speaker unit or internal buzzer cable.
Power Status
Pin 4 and pin 3 are for power status button; letting user know the power status of this
board.
Power LED
Pin 6 connects anode (+) of LED and pin 5 connects cathode (-) of LED. The power LED
lights up when the system is powered on.
Power On/Off Button
Pin 8 and 7 connect the power button on front panel to CPU board, which allows users to
turn on or off power supply.
System Reset Switch
Pin 10 and 9 connect the case-mounted reset switch that reboots your computer without
turning off the power switch. It is a better way to reboot your system for a longer life of
system power supply.
HDD Activity LED
This connection is linked to hard drive activity LED on the control panel. LED flashes
when HDD is being accessed. Pin 12 and 11 connect the hard disk drive to the front
panel HDD LED, pin 11 is assigned as cathode(-) and pin 12 is assigned as anode(+).
2.4.4 DC +12V Power Input Connector (CN5/ATX1)
Steady and sufficient power can be supplied to all components on the board by
connecting the power connector. Please make sure all components and devices are
properly installed before connecting the power connector.
The CN5/ATX1 is a 4-pin DC +12V power input interface. The CN5 is in right angle while
the ATX1 is in vertical position. Follow the connector orientation to plug the external
power supply. Properly press down power supply plug until it completely and firmly fits
into this connector. Loose connection may cause system instability.
Pin
Signal
Pin
Signal
1
EXT SPK-
2
EXT SPK+
3
GND
4
PWR_PSON
5
PWRLED-
6
PWRLED+
7
PWRSW-
8
PWRSW+
9
HW RST-
10
HW RST+
11
HDDLED-
12
HDDLED+
Pin
Signal
1
GND
2
GND
3
+12V
4
+12V

CAPA84R Capa Board
14 Board and Pin Assignments
2.4.5 Fan Connector (CN7)
This is a 3-pin (pitch=1.5mm) connector. A fan interface is available through CN7. You
can find fan speed within BIOS Setup Utility if fan is installed. For further information,
see BIOS Setup Utility: Advanced\Hardware Monitor\PC Health Status in section 4.4.
2.4.6 DC +5V/15W Power Output Connector (CN8)
The CN8 is a 5-pin (pitch=2mm) wafer connector, which is compliant with JST
B5B-PH-K-S.
Pin
Signal
1
GND
2
+12V level
3
Fan speed feedback
Pin
Signal
1
GND
2
GND
3
GND
4
+5V
5
+5V
1
1
5