AXIOMTEK CAPA312 User Manual
CAPA312
Intel® Pentium® Processor N4200
and Celeron® Processor N3350
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
June 2018, Version A2
Printed in Taiwan
iii
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.
iv
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 Restore BIOS Optimal Defaults (JP3) ....................................................... 10
2.3.2 COM3 Data/Power Selection (JP4) ........................................................... 10
2.3.3 LVDS and eDP +3.3V/+5V/+12V Voltage Selection (JP5) ........................ 10
2.3.4 Auto Power On (SSW1) ............................................................................ 10
2.4 Connectors ........................................................................................ 11
2.4.1 SMBus Connector (CN1) .......................................................................... 12
2.4.2 Front Panel Connector (CN2) ................................................................... 12
2.4.3 COM3 and COM4 Wafer Connectors (CN3 and CN4) ............................. 13
2.4.4 Audio Connector (CN5) ............................................................................. 13
2.4.5 Digital I/O Connector (CN6) ...................................................................... 13
2.4.6 USB 2.0 Wafer Connector (CN7) .............................................................. 14
2.4.7 I2C Connector (CN11) ............................................................................... 14
2.4.8 SATA Power Connector (CN12) ................................................................ 14
2.4.9 Fan Connector (CN13) .............................................................................. 14
2.4.10 Inverter Connector (CN14) ........................................................................ 15
2.4.11 SATA Connector (CN15) ........................................................................... 15
2.4.12 LVDS Connector (CN16) ........................................................................... 16
2.4.13 COM1 and COM2 Wafer Connector (CN17 and CN18) ........................... 18
2.4.14 HDMI Connector (CN19) ........................................................................... 18
2.4.15 USB 3.0 Ports (CN20 and CN21) .............................................................. 19
2.4.16 COM1 D-Sub Connector (CN22) .............................................................. 19
2.4.17 VGA Connector (CN23) (Optional) ............................................................ 20
2.4.18 ATX Power Connector (ATX1)................................................................... 20
2.4.19 Ethernet Ports (LAN1 and LAN2) .............................................................. 21
2.4.20 Full-size PCI-Express Mini Card Connector (SCN1) ................................ 22
2.4.21 SIM Card Socket (SCN2) .......................................................................... 23
2.4.22 Full-size PCI-Express Mini Card or mSATA Connector (SCN3) ............... 23
v
2.4.23 eDP Connector (SCN4) (Optional) ............................................................ 24
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 ...................................................................................... 34
Chapter 4 AMI BIOS Setup Utility .......................... 35
4.1 Starting ............................................................................................... 35
4.2 Navigation Keys ................................................................................ 35
4.3 Main Menu .......................................................................................... 37
4.4 Advanced Menu ................................................................................. 38
4.5 Chipset Menu ..................................................................................... 55
4.6 Security Menu .................................................................................... 59
4.7 Boot Menu .......................................................................................... 60
4.8 Save & Exit Menu .............................................................................. 65
Appendix A Watchdog Timer ................................... 67
A.1 About Watchdog Timer ..................................................................... 67
A.2 How to Use Watchdog Timer ............................................................ 67
Appendix B Digital I/O ............................................. 69
B.1 About Digital I/O ................................................................................ 69
B.2 Digital I/O Programming ................................................................... 69
Appendix C BIOS Flash Utility ................................ 71
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CAPA312 3.5” Board
Introduction 1
Chapter 1
Introduction
The CAPA312, a 3.5” board, supports Intel® Pentium® N4200 and Celeron® N3350. It delivers
outstanding system performance through high-bandwidth interfaces, multiple I/O functions for
interactive applications and various embedded computing solutions.
The CAPA312 has one 204-pin unbuffered SO-DIMM socket for single channel DDR3L
1867MHz memory with maximum memory capacity up to 8GB. There are two Gigabit/Fast
Ethernet ports, one SATA port with transfer rate up to 6Gb/s, four USB 3.0 ports, two USB 2.0
ports 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 four serial
ports (two RS-232/422/485 and two RS-232) and 3.5” form factor that applies an extensive
array of PC peripherals.
CAPA312 3.5” Board
2 Introduction
1.1 Features
Intel
®
Pentium® quad core N4200 (1.1GHz) and Celeron® dual core N3350 (1.1GHz)
1 DDR3L SO-DIMM supports up to 8GB memory capacity
4 USB 3.0 ports and 2 USB 2.0 ports
2 PCI-Express Mini Cards
1.2 Specifications
CPU
Intel
®
Pentium® quad core N4200 1.1GHz.
Intel
®
Celeron® dual core N3350 1.1GHz.
Thermal Solution
Passive.
Operating Temperature
-20°C~+70°C.
BIOS
American Megatrends Inc. UEFI (Unified Extensible Firmware Interface) BIOS.
64Mbit 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 1600MHz memory capacity.
Onboard Multi I/O
Serial Ports: Two RS-232/422/485 and two RS-232.
Serial ATA
One SATA-600 connector.
mSATA supported.
USB Interface
Four USB 3.0 ports on the rear I/O.
Two USB 2.0 ports in 2x5-pin internal wafer connector.
Display
One 2x20-pin connector for 18/24-bit single/dual channel LVDS and one 8-pin
inverter connector. LVDS resolution is up to 1920x1200 in 24-bit dual channels.
One HDMI. The resolution is up to 3840x2160.
(Optional) One 15-pin D-Sub as VGA connector. The resolution is up to 1920x1200.
(Optional) One eDP. The resolution is up to 3840x2160.
CAPA312 3.5” Board
Introduction 3
Watchdog Timer
Timeout value range is 1~65535 seconds.
Ethernet
Two RJ-45 LAN ports: Intel
®
i211AT supports 1000/100/10Mbps Gigabit/Fast
Ethernet with Wake-on-LAN and PXE Boot ROM.
Audio
HD audio compliant with Realtek ALC662.
Line-out and line-in/MIC-in via internal box header.
Expansion Interface
One full-size PCI-Express Mini Card socket complies with PCI-Express Mini Card
Spec. V1.2.
One full-size PCI-Express Mini Card (with mSATA supported) complies with
PCI-Express Mini Card Spec. V1.2.
Power Input
One 2x2-pin connector.
+12V DC-in only.
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
CAPA312 3.5” Board
4 Introduction
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CAPA312 3.5” Board
Board and Pin Assignments 5
Chapter 2
Board and Pin Assignments
2.1 Board Dimensions and Fixing Holes
Top View
CAPA312 3.5” Board
6 Board and Pin Assignments
Bottom View
Side View
CAPA312 3.5” Board
Board and Pin Assignments 7
2.2 Board Layout
Top View
Side View
CAPA312 3.5” Board
8 Board and Pin Assignments
Bottom View
CAPA312 3.5” 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 CAPA312 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
JP3
Restore BIOS Optimal Defaults
Default: Normal Operation
1-2 Close
JP4
COM3 Data/Power Selection
Default: RS-232 Data
CN4 Pin 1: DCD
3-5 Close
CN4 Pin 8: RI
4-6 Close
JP5
LVDS and eDP +3.3V/+5V/+12V Voltage Selection
Default: +3.3V
1-2 Close
SSW1
Auto Power On
Default: Disable
1-2 Close
CAPA312 3.5” Board
10 Board and Pin Assignments
2.3.1 Restore BIOS Optimal Defaults (JP3)
This is a 1x3-pin (pitch=2.0mm) jumper. Put jumper clip to pin 2-3 for a few seconds then
move it back to pin 1-2. Doing this procedure can restore BIOS optimal defaults.
2.3.2 COM3 Data/Power Selection (JP4)
This is a 2x3-pin (pitch=2.0mm) jumper. The COM3 port has +5V level power capability
on DCD and +12V level on RI by setting jumper JP4.
2.3.3 LVDS and eDP +3.3V/+5V/+12V Voltage Selection (JP5)
This is a 2x3-pin (pitch=2.0mm) jumper. The board supports voltage selection for flat
panel displays. Use these jumpers to set CN16 pin 1~6 and SCN4 pin 1~4 to +3.3V, +5V
or +12V. To prevent hardware damage, before connecting please make sure that the
input voltage of flat panel is correct.
2.3.4 Auto Power On (SSW1)
If SSW1 is enabled for power input, the system will be automatically power on without
pressing soft power button. If SSW1 is disabled for power input, it is necessary to
manually press soft power button to power on the system.
Function
Setting
Normal (Default)
1-2 close
Restore BIOS optimal defaults
2-3 close
Function
Setting
Power: Set CN4 pin 1 to +5V level
1-3 close
Data: Set CN4 pin 1 to DCD (Default)
3-5 close
Power: Set CN4 pin 8 to +12V level
2-4 close
Data: Set CN4 pin 8 to RI (Default)
4-6 close
Function
Setting
+3.3V level (Default)
1-2 close
+5V level
2-4 close
+12V level
5-6 close
Function
Setting
Disable auto power on (Default)
1-2 close
Enable auto power on
2-3 close
CAPA312 3.5” 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
Front Panel Connector
CN3
COM4 Wafer Connector
CN4
COM3 Wafer Connector
CN5
Audio Connector
CN6
Digital I/O Connector
CN7
USB 2.0 Wafer Port 4 and 5
CN11
I2C Connector
CN12
SATA Power Connector
CN13
Fan Connector
CN14
Inverter Connector
CN15
SATA Connector
CN16
LVDS Connector
CN17 (Optional)
COM1 Wafer Connector
CN18
COM2 Wafer Connector
CN19
HDMI Connector
CN20
USB 3.0 Port 0 and 1
CN21
USB 3.0 Port 2 and 3
CN22
COM1 D-Sub Connector
CN23 (Optional)
VGA Connector
ATX1
ATX Power Connector
LAN1~LAN2
Ethernet Port 1 and 2
SCN1
Full-size PCI-Express Mini Card Connector
SCN2
SIM Card Socket
SCN3
Full-size PCI-Express Mini Card or mSATA Connector
SCN4 (Optional)
eDP Connector
SDIMM1
DDR3L SO-DIMM Connector
CAPA312 3.5” Board
12 Board and Pin Assignments
2.4.1 SMBus Connector (CN1)
This connector is a 3-pin (pitch=2.0mm) wafer connector, which is compliant with JST
B3B-PH-K-S, for SMBus interface. The SMBus (System Management Bus) is a simple
bus for the purpose of lightweight communication.
2.4.2 Front Panel Connector (CN2)
This is a 2x5-pin header (pitch=2.0mm) for front panel interface.
Power Status
Pin 1 and pin 2 are for power status button; letting user know the power status of this
board.
Power LED
Pin 4 connects anode (+) of LED and pin 3 connects cathode(-) of LED. The power LED
lights up when the system is powered on.
Power On/Off Button
Pin 5 and 6 connect the power button on front panel to CPU board, which allows users to
turn on or off power supply.
System Reset Switch
Pin 7 and 8 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 9 and 10 connect the hard disk drive to the front panel
HDD LED, pin 9 is assigned as cathode(-) and pin 10 is assigned as anode(+).
Pin
Signal
1
SMBus clock
2
SMBus data
3
GND
Pin
Signal
Pin
Signal
1
PWR-
2
PWR+
3
PWRLED-
4
PWRLED+
5
PWRSW-
6
PWRSW+
7
HW RST-
8
HW RST+
9
HDDLED-
10
HDDLED+
CAPA312 3.5” Board
Board and Pin Assignments 13
2.4.3 COM3 and COM4 Wafer Connectors (CN3 and CN4)
The CN3 and CN4 are 2x5-pin connectors for COM4 and COM3 interface, respectively.
Only COM3 is equipped with +5V level power capability on DCD and +12V level on RI by
setting JP4 (see section 2.3.2).
2.4.4 Audio Connector (CN5)
This is a 2x5-pin connector for audio interface.
2.4.5 Digital I/O Connector (CN6)
This is a 2x5-pin (pitch=2mm) connector. The board is equipped with an 8-channel (4
inputs and 4 outputs) 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
Pin
Signal
1
DCD
2
DSR
3
RXD
4
RTS 5 TXD 6 CTS 7 DTR 8 RI 9 GND
10
No use
Pin
Signal
Pin
Signal
1
MIC_IN
2
GND
3
LINE_IN_L
4
GND
5
LINE_IN_R
6
GND
7
AUDIO_OUT_L
8
GND
9
AUDIO_OUT_R
10
GND
Pin
Signal
Pin
Signal
1
Digital Input 1
2
Digital Output 8
3
Digital Input 2
4
Digital Output 7
5
Digital Input 3
6
Digital Output 6
7
Digital Input 4
8
Digital Output 5
9
+5V
10
GND
CAPA312 3.5” Board
14 Board and Pin Assignments
2.4.6 USB 2.0 Wafer Connector (CN7)
This is a 2x5-pin (pitch=2mm) wafer, which is compliant with Hirose DF11-xdp-2dsa, and
a Universal Serial Bus (USB) connector for installing versatile USB 2.0 compliant
interface peripherals.
2.4.7 I2C Connector (CN11)
This connector is a 3-pin (pitch=1.25mm), which is compliant with Molex 530470310, for
I2C interface.
2.4.8 SATA Power Connector (CN12)
The CN12 is a 4-pin (pitch=2mm) wafer connector, which is compliant with JST
B4B-PH-K-S, for SATA power interface.
2.4.9 Fan Connector (CN13)
A fan interface is available through this connector. 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 (see section 4.4).
Pin
Signal
Pin
Signal
1
USB VCC
(+5V_SBY)
2
USB VCC
(+5V_SBY)
3
USB #4_D-
4
USB #5_D-
5
USB #4_D+
6
USB #5_D+
7
GND
8
GND
9
GND
10
GND
Pin
Signal
1
I2C_CLK_SBY
2
I2C_DAT_SBY
3
GND
Pin
Signal
1
+12V
2
GND
3
GND
4
+5V
Pin
Signal
1
GND
2
+12V level
3
Fan speed feedback
4
1
CAPA312 3.5” Board
Board and Pin Assignments 15
2.4.10 Inverter Connector (CN14)
This is a DF13-8P-1.25C 8-pin (pitch=1.25mm) connector for inverter interface. We
strongly recommend you to use the matching DF13-8P-1.25C connector to avoid
malfunction.
2.4.11 SATA Connector (CN15)
This Serial Advanced Technology Attachment (Serial ATA or SATA) connector is for
high-speed SATA interface. It is a computer bus interface for connecting to devices such
as hard disk drive.
Pin
Signal
1
VBL1 (+12V level)
2
VBL1 (+12V level)
3
VBL2 (+5V level)
4
VBL_ENABLE
5
GND
6
GND
7
GND
8
VBL Brightness Control
Pin
Signal
1
GND
2
SATA_TXP0
3
SATA_TXN0
4
GND
5
SATA_RXN0
6
SATA_RXP0
7
GND
CAPA312 3.5” Board
16 Board and Pin Assignments
2.4.12 LVDS Connector (CN16)
This board has a 2x20-pin (pitch=1mm) connector for LVDS LCD interface. It is strongly
recommended to use the matching JST SHDR-40VS-B connector for LVDS interface.
Pin 1~6 VCCM can be set to +3.3V, +5V or +12V by setting JP5 (see section 2.3.3).
18-bit single channel
Pin
Signal
Pin
Signal
1
VCCM
2
VCCM
3
VCCM
4
VCCM
5
VCCM
6
VCCM
7
N.C 8 N.C 9 GND
10
GND
11
N.C
12
N.C
13
N.C
14
N.C
15
GND
16
GND
17
N.C
18
N.C
19
N.C
20
N.C
21
GND
22
GND
23
Channel A D0-
24
N.C
25
Channel A D0+
26
N.C
27
GND
28
GND
29
Channel A D1-
30
N.C
31
Channel A D1+
32
N.C
33
GND
34
GND
35
Channel A D2-
36
Channel A CLK-
37
Channel A D2+
38
Channel A CLK+
39
GND
40
GND
CAPA312 3.5” Board
Board and Pin Assignments 17
24-bit single channel 18-bit dual channel
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
VCCM
2
VCCM
1 VCCM
2
VCCM
3
VCCM
4
VCCM
3 VCCM
4
VCCM
5
VCCM
6
VCCM
5 VCCM
6
VCCM
7
N.C 8 N.C
7
N.C 8 N.C
9
GND
10
GND 9
GND
10
GND
11
N.C
12
N.C 11
N.C
12
Channel B D0-
13
N.C
14
N.C 13
N.C
14
Channel B D0+
15
GND
16
GND 15
GND
16
GND
17
N.C
18
N.C 17
Channel B CLK-
18
Channel B D1-
19
N.C
20
N.C 19
Channel B CLK+
20
Channel B D1+
21
GND
22
GND 21
GND
22
GND
23
Channel A D0-
24
N.C 23
Channel A D0-
24
Channel B D2-
25
Channel A D0+
26
N.C 25
Channel A D0+
26
Channel B D2+
27
GND
28
GND 27
GND
28
GND
29
Channel A D1-
30
Channel A D3-
29
Channel A D1-
30
N.C
31
Channel A D1+
32
Channel A D3+
31
Channel A D1+
32
N.C
33
GND
34
GND 33
GND
34
GND
35
Channel A D2-
36
Channel A CLK-
35
Channel A D2-
36
Channel A CLK-
37
Channel A D2+
38
Channel A CLK+
37
Channel A D2+
38
Channel A CLK+
39
GND
40
GND 39
GND
40
GND
24-bit dual channel
Pin
Signal
Pin
Signal
1
VCCM
2
VCCM
3
VCCM
4
VCCM
5
VCCM
6
VCCM
7
N.C
8
N.C
9
GND
10
GND
11
Channel B D3-
12
Channel B D0-
13
Channel B D3+
14
Channel B D0+
15
GND
16
GND
17
Channel B CLK-
18
Channel B D1-
19
Channel B CLK+
20
Channel B D1+
21
GND
22
GND
23
Channel A D0-
24
Channel B D2-
25
Channel A D0+
26
Channel B D2+
27
GND
28
GND
29
Channel A D1-
30
Channel A D3-
31
Channel A D1+
32
Channel A D3+
33
GND
34
GND
35
Channel A D2-
36
Channel A CLK-
37
Channel A D2+
38
Channel A CLK+
39
GND
40
GND
CAPA312 3.5” Board
18 Board and Pin Assignments
2.4.13 COM1 and COM2 Wafer Connector (CN17 and CN18)
The CN17 (optional) and CN18 are 2x5-pin connectors for COM1 and COM2 interface,
respectively. The pin assignments of RS-232/422/485 are listed in table below. If you
need COM1 and COM2 to support RS-422 or RS-485 communication mode, please
refer to BIOS setting in section 4.4.
2.4.14 HDMI Connector (CN19)
The HDMI (High-Definition Multimedia Interface) is a compact digital interface which is
capable of transmitting high-definition video and high-resolution audio over a single
cable. Its interface is available through connector CN19.
Pin
RS-232
RS-422
RS-485
1
DCD
TX-
Data-
2
DSR
No use
No use
3
RXD
TX+
Data+
4
RTS
No use
No use
5
TXD
RX+
No use
6
CTS
No use
No use
7
DTR
RX-
No use
8
RI
No use
No use
9
GND
No use
No use
10
No use
No use
No use
Pin
Signal
Pin
Signal
1
HDMI OUT_DATA2+
2
GND
3
HDMI OUT_DATA2-
4
HDMI OUT_DATA1+
5
GND
6
HDMI OUT_DATA1-
7
HDMI OUT_DATA0+
8
GND
9
HDMI OUT_DATA0-
10
HDMI OUT_Clock+
11
GND
12
HDMI OUT_Clock-
13
N.C.
14
N.C.
15
HDMI OUT_SCL
16
HDMI OUT_SDA
17
GND
18
+5V
19
HDMI_HTPLG
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