Page 1
PICO300
Intel® Pentium® N3710/ Celeron®
N3060 Processors Pico-ITX Board
User’s Manual
Page 2
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 2016 Axiomtek Co., Ltd.
All Rights Reserved
April 2016, Version A1
Printed in Taiwan
Page 3
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 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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iv
Table of Contents
Disclaimers ..................................................................................................... ii
ESD Precautions ........................................................................................... iii
Chapter 1 Introduction ............................................. 1
1.1 Features ............................................................................................... 2
1.2 Specifications ...................................................................................... 2
1.3 Utilities ................................................................................................. 3
Chapter 2 Board and Pin Assignments .................... 5
2.1 Board Dimensions and Fixing Holes ................................................. 5
2.2 Board Layout ....................................................................................... 7
2.3 Assembly Drawing .............................................................................. 9
2.4 Jumper and Switch Settings ............................................................ 11
2.4.1 Restore BIOS Optimal Defaults (JP1) ....................................................... 12
2.4.2 LVDS +3.3V/+5V/+12V Voltage Selection (JP2) ....................................... 12
2.4.3 Auto Power On (SW1) ............................................................................... 12
2.5 Connectors ........................................................................................ 13
2.5.1 High Speed Board to Board Connectors (CN2 and CN3) ......................... 14
2.5.2 SATA Power Connector (CN4) .................................................................. 15
2.5.3 USB 2.0 Wafer Connector (CN5) .............................................................. 16
2.5.4 Fan Power Connector (CN6) ..................................................................... 16
2.5.5 SMBus Connector (CN7) .......................................................................... 16
2.5.6 LVDS Connector (CN8) ............................................................................. 17
2.5.7 External Speaker and Internal Buzzer Header (CN9) ............................... 19
2.5.8 Power LED Header (CN10) ....................................................................... 19
2.5.9 Inverter Connector (CN11) ........................................................................ 19
2.5.10 Power and Reset Button Connector (CN12) ............................................. 19
2.5.11 DC Jack Power Connector w/ Screw (CN14) ........................................... 20
2.5.12 HDMI Connector (CN15) ........................................................................... 20
2.5.13 VGA Connector (CN16) ............................................................................. 20
2.5.14 Ethernet Port (LAN1) ................................................................................. 21
2.5.15 SATA Connector (SATA1) .......................................................................... 21
2.5.16 CMOS Battery Connector (BAT1) ............................................................. 21
2.5.17 Full-size PCI-Express Mini Card and mSATA Connector (SCN1) ............. 22
Chapter 3 Hardware Description ........................... 23
3.1 Microprocessors ............................................................................... 23
3.2 BIOS ................................................................................................... 23
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v
3.3 System Memory ................................................................................. 23
3.4 I/O Port Address Map ........................................................................ 24
3.5 Interrupt Controller (IRQ) Map ......................................................... 25
3.6 Memory Map ...................................................................................... 28
Chapter 4 AMI BIOS Setup Utility .......................... 29
4.1 Starting ............................................................................................... 29
4.2 Navigation Keys ................................................................................ 29
4.3 Main Menu .......................................................................................... 31
4.4 Advanced Menu ................................................................................. 32
4.5 Chipset Menu ..................................................................................... 42
4.6 Security Menu .................................................................................... 50
4.7 Boot Menu .......................................................................................... 51
4.8 Save & Exit Menu .............................................................................. 52
Appendix A I/O Boards (Optional) ............................. 55
A.1 AX93275 Specifications .................................................................... 55
A.2 AX93275 Dimensions and Fixing Holes .......................................... 55
A.3 AX93275 Board Layout ..................................................................... 56
A.4 AX93275 Assembly Drawing ............................................................ 57
A.5 AX93275 Jumper Settings ................................ ................................ 58
A.5.1 COM1 Data/Power Selection (JP1) ........................................................... 58
A.6 AX93275 Connectors, Switches and LED ....................................... 59
A.6.1 Power Connector (CN1) ............................................................................ 59
A.6.2 High Speed Board to Board Connectors (CN2 and CN3) ......................... 60
A.6.3 COM2 Connector (CN4) ............................................................................ 62
A.6.4 System Power Switch (CN5) ..................................................................... 62
A.6.5 VGA and COM1 D-Sub Connector (CN6A and CN6B) ............................. 63
A.6.6 USB 3.0 Stack Connectors (CN7 and CN8) .............................................. 64
A.6.7 Audio Jack (CN9) ...................................................................................... 64
A.6.8 System Reset Switch (CN10) .................................................................... 64
A.6.9 Power and HDD LED Indicator (D6) ......................................................... 64
A.7 AX93276 Specifications .................................................................... 65
A.8 AX93276 Dimensions and Fixing Holes .......................................... 65
A.9 AX93276 Board Layout ..................................................................... 66
A.10 AX93276 Assembly Drawing ............................................................ 67
A.11 AX93276 Jumper Settings ................................ ................................ 68
A.11.1 COM1 Data/Power Selection (JP1) ........................................................... 68
A.12 AX93276 Connectors, Switches and LED ....................................... 69
A.12.1 Power Connector (CN1) ............................................................................ 69
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vi
A.12.2 High Speed Board to Board Connectors (CN2 and CN3) ......................... 70
A.12.3 LAN and USB 3.0 Connector (CN4) .......................................................... 72
A.12.4 System Power Switch (CN5) ..................................................................... 72
A.12.5 USB 3.0 Stack Connector (CN6) ............................................................... 73
A.12.6 COM1 and COM2 D-Sub Connector (CN7A and CN7B) .......................... 73
A.12.7 HDMI Connector (CN8) ............................................................................. 74
A.12.8 System Reset Switch (CN9) ...................................................................... 74
A.12.9 Power and HDD LED Indicator (D1) ......................................................... 74
A.13 AX93292 Specifications .................................................................... 75
A.14 AX93292 Dimensions and Fixing Holes .......................................... 75
A.15 AX93292 Board Layout ..................................................................... 76
A.16 AX93292 Assembly Drawing ............................................................ 77
A.17 AX93292 Jumper Settings ................................ ................................ 78
A.17.1 COM1 Data/Power Selection (JP1) ........................................................... 78
A.18 AX93292 Connectors ........................................................................ 78
A.18.1 High Speed Board to Board Connectors (CN1 and CN2) ......................... 79
A.18.2 Low Speed IO Connector (CN3) ............................................................... 81
A.18.3 COM1 and COM2 Connector (CN4) ......................................................... 82
Appendix B Watchdog Timer ................................... 83
B.1 About Watchdog Timer ..................................................................... 83
B.2 How to Use Watchdog Timer ............................................................ 83
B.3 Sample Program ................................................................................ 84
Appendix C BIOS Flash Utility ................................ 87
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PICO300 Pico-ITX Board
Introduction 1
Chapter 1
Introduction
The PICO300 is a Pico-ITX board with Intel® Pentium® N3710 and Celeron® N3060 processors
that deliver outstanding system performance through high-bandwidth interfaces, multiple I/O
functions for interactive applications and various embedded computing solutions.
The board has one 204-pin unbuffered SO-DIMM socket for DDR3L 1600MHz SO-DIMM
memory with maximum capacity up to 8GB. It also features one Gigabit/Fast Ethernet, one
SATA port with transfer rates up to 6Gb/s, one USB 2.0 high speed compliant, and built-in high
definition audio codec that can achieve the best stability and reliability for industrial
applications. Additionally, it provides you with unique embedded feature such as Pico-ITX form
factor that applies an extensive array of PC peripherals. The board can be enhanced by its
built-in watchdog timer function, a special industrial feature not commonly seen on other
motherboards.
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PICO300 Pico-ITX Board
2 Introduction
1.1 Features
Intel
®
Pentium® N3710 and Celeron® N3060 processors
1 DDR3L SO-DIMM supports up to 8GB memory capacity
1 USB 2.0 port and 1 Gigabit Ethernet port
1 PCI Express Mini Card with mSATA supported
1.2 Specifications
CPU
Intel
®
Pentium® N3710 1.6GHz quad core.
Intel
®
Celeron® N3060 1.6GHz dual core.
Thermal Solution
Passive.
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.
Onboard Multi I/O
Controller: Fintek F81803U.
Two UARTs.
Serial ATA
One SATA-600 connector.
mSATA support (optional).
USB Interface
One USB port with fuse protection and complies with USB Spec. Rev. 2.0.
Display
A standard 15-pin D-Sub VGA connector which is co-layout with a HDMI connector.
One 2x20-pin connector for 18/24-bit single and dual channel LVDS and one 8-pin
wafer connector for inverter control. LVDS resolution is up to 1920x1200 in 24-bit
dual channel.
Watchdog Timer
1~255 seconds or minutes; up to 255 levels.
Ethernet
One 1000/100/10Mbps Gigabit/Fast Ethernet port in RJ-45 connector.
Support Wake-on-LAN, PXE Boot ROM with Intel
®
i211AT.
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PICO300 Pico-ITX Board
Introduction 3
Audio
HD audio compliant with Realtek ALC662.
Support line-out/MIC-in
Expansion Interface
One PCI-Express Mini Card socket complies with PCI-Express Mini Card Spec.
V1.2.
Two High speed board to board connectors.
Power Input
DC jack power connector, co-layout with 1x2-pin right angle connector.
+12V DC-in only.
AT auto power on function supported.
Power Management
ACPI (Advanced Configuration and Power Interface).
Form Factor
Pico-ITX form factor.
Note
All specifications and images are subject to change without notice.
1.3 Utilities
Chipset and graphics driver
Ethernet driver (i211AT)
Audio driver
XHCI driver
Intel
®
Trusted Execution Engine (Intel® TXE) driver
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PICO300 Pico-ITX Board
4 Introduction
This page is intentionally left blank.
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PICO300 Pico-ITX Board
Board and Pin Assignments 5
Chapter 2
Board and Pin Assignments
2.1 Board Dimensions and Fixing Holes
Top View
Page 12
PICO300 Pico-ITX Board
6 Board and Pin Assignments
Bottom View
Side View
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PICO300 Pico-ITX Board
Board and Pin Assignments 7
2.2 Board Layout
Top View
Side View
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PICO300 Pico-ITX Board
8 Board and Pin Assignments
Bottom View
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PICO300 Pico-ITX Board
Board and Pin Assignments 9
2.3 Assembly Drawing
For thermal dissipation, a thermal solution enables the PICO300’s components to dissipate
heat efficiently. All heat generating components are thermally conducted to the heatsink in
order to avoid hot spots. Images below illustrate how to install the thermal solution on
PICO300.
1. Heatsink for PICO300 (see image below):
2. First of all, use the following four screws to secure heatsink on heatspreader.
x4
3. The PICO300 has four assembly holes for installing thermal solution. Align and firmly
secure the plate to the PICO300. Be careful not to over-tighten the screws.
x4 x4 x4 (8mm)
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PICO300 Pico-ITX Board
10 Board and Pin Assignments
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PICO300 Pico-ITX Board
Board and Pin Assignments 11
2.4 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 PICO300 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
Restore BIOS Optimal Defaults
Default: Normal Operation
1-2 Close
JP2
LVDS +3.3V/+5V/+12V Voltage Selection
Default: +3.3V
1-2 Close
SW1
Auto Power On
Default: Enable
2-3 Close
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PICO300 Pico-ITX Board
12 Board and Pin Assignments
2.4.1 Restore BIOS Optimal Defaults (JP1)
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.
2.4.2 LVDS +3.3V/+5V/+12V Voltage Selection (JP2)
The board supports voltage selection for flat panel displays. Use these jumpers to set
LVDS connector (CN8) pin 1~6 VCCM to +3.3V, +5V or +12V. To prevent hardware
damage, before connecting please make sure that input voltage of flat panel is correct.
2.4.3 Auto Power On (SW1)
If SW1 is enabled for power input, the system will be automatically power on without
pressing soft power button. If SW1 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
JP2 Setting
+3.3V level (Default)
1-2 close
+5V level
3-4 close
+12V level
5-6 close
Function
Setting
Disable auto power on
1-2 close
Enable auto power on (Default)
2-3 close
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PICO300 Pico-ITX Board
Board and Pin Assignments 13
2.5 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 which shows all connectors on the hardware.
Connector
Description
CN2
High Speed Board to Board Connector 1
CN3
High Speed Board to Board Connector 2
CN4
SATA Power Connector
CN5
USB 2.0 Wafer Connector
CN6
Fan Power Connector
CN7
SMBus Connector
CN8
LVDS Connector
CN9
External Speaker and Internal Buzzer Header
CN10
Power LED Header
CN11
Inverter Connector
CN12
Power and Reset Button Connector
CN14
DC Jack Power Connector w/ Screw
CN15
HDMI Connector
CN16
VGA Connector
LAN1
Ethernet Port
SATA1
SATA Connector
BAT1
CMOS Battery Connector
SCN1
Full-size PCI-Express Mini Card and mSATA Connector
SDIMM1
DDR3L SO-DIMM Connector
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PICO300 Pico-ITX Board
14 Board and Pin Assignments
2.5.1 High Speed Board to Board Connectors (CN2 and CN3)
CN2 is a 2x30-pin high speed board to board connector. The pin assignments of CN2
are given as follows.
1 59
2 60
Pin
Signal
Pin
Signal
1
MIC_L
2
AUDIO_OUT_L
3
MIC_R
4
AUDIO_OUT_R
5
AUDIO_GND
6
AUDIO_GND
7
DCD2
8
DSR2
9
RXD2
10
RTS2
11
TXD2
12
CTS2
13
DTR2
14
RI2
15
DCD1
16
DSR1
17
RXD1
18
RTS1
19
TXD1
20
CTS1
21
DTR1
22
RI1
23
GND
24
GND
25
SIO_PSIN#
26
GPO_485_EN_N
27
SATA_LED
28
GPO_485TERM_EN
29
HW_RESET#
30
GPO_485_MODE0
31
PLTRST_SIO
32
GPO_485_MODE1
33
USB_OC01
34
USB_OC23
35
GND
36
GND
37
DP0
38
DP2
39
DN0
40
DN2
41
GND
42
GND
43
DP1
44
DN3
45
DN1
46
DP3
47
GND
48
GND
49
LINE_IN_L
50
+V5_SBY
51
LINE_IN_R
52
+V5_SBY
53
AUDIO_GND
54
+V5_SBY
55
+V12S
56
+V5_SBY
57
+V3.3S
58
+V5S
59
+V3.3S
60
+V5S
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PICO300 Pico-ITX Board
Board and Pin Assignments 15
CN3 is a 2x30-pin high speed board to board connector. The pin assignments of CN3
are given as follows.
1 59
2 60
Note
It is suggested to insert I/O board (AX93275, AX93276 or AX93292 ) into
CN2 and CN3 on PICO300 (see Appendix A for details of I/O board).
2.5.2 SATA Power Connector (CN4)
The CN4 is a 4-pin (pitch=2.0mm) wafer connector which is compliant with JST
B4B-PH-K-S for SATA power interface.
Pin
Signal
Pin
Signal
1
USB3_RXP1
2
PCIE_IO_RXP
3
USB3_RXN1
4
PCIE_IO_RXN
5
GND
6
GND
7
USB3_TXP1
8
PCIE_IO_TXP
9
USB3_TXN1
10
PCIE_IO_TXN
11
GND
12
GND
13
USB3_RXP2
14
B2B_PCIE_CLK
15
USB3_RXN2
16
B2B_PCIE_CLK#
17
GND
18
GND
19
USB3_TXP2
20
DDI2_TXP0
21
USB3_TXN2
22
DDI2_TXN0
23
GND
24
GND
25
USB3_RXP3
26
DDI2_TXP1
27
USB3_RXN3
28
DDI2_TXN1
29
GND
30
GND
31
USB3_TXP3
32
DDI2_TXP2
33
USB3_TXN3
34
DDI2_TXN2
35
GND
36
GND
37
USB3_RXP4
38
DDI2_TXP3
39
USB3_RXN4
40
DDI2_TXN3
41
GND
42
GND
43
USB3_TXP4
44
DDPC_CTRLDATA
45
USB3_TXN4
46
DDPC_CTRLCLK
47
GND
48
GND
49
DDPC_AUXP
50
DDPC_HPD
51
DDPC_AUXN
52
PLTRST_MINICARD
53
GND
54
PCIE_WAKE#
55
IO_BRD_BIT0
56
IO_BRD_BIT1
57
+V3.3_SBY
58
+V5S
59
+V3.3_SBY
60
+V5S
Pin
Signal
1
+12V
2
GND
3
GND
4
+5V
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PICO300 Pico-ITX Board
16 Board and Pin Assignments
1
2.5.3 USB 2.0 Wafer Connector (CN5)
This is a 4-pin (pitch=1.25mm) wafer connector which is compliant with Molex
530470410 for USB 2.0 interface.
2.5.4 Fan Power Connector (CN6)
The CN6 is a 2-pin (pitch=1.5mm) wafer connector which is compliant with JST
B2B-ZH-K-S for fan power interface.
2.5.5 SMBus Connector (CN7)
This connector is for SMBus (System Management Bus) interface.
Pin
Signal
1
USB_PWR
2
D+ 3 D-
4
GND
Pin
Signal
1
+5V
2
GND
Pin
Signal
1
SMBus clock
2
SMBus data
3
GND
Page 23
PICO300 Pico-ITX Board
Board and Pin Assignments 17
2.5.6 LVDS Connector (CN8)
This board has a 2x20-pin 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 JP2 (see section 2.4.2).
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
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PICO300 Pico-ITX Board
18 Board and Pin Assignments
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
Page 25
PICO300 Pico-ITX Board
Board and Pin Assignments 19
2.5.7 External Speaker and Internal Buzzer Header (CN9)
Pin 1, 2 and 3 connect the case-mounted speaker unit or internal buzzer. While
connecting to an internal buzzer, please set pin 2 and 3 closed (default); while
connecting to an external speaker, you need to set pins 2 and 3 opened and connect the
speaker cable to pin 1(+) and pin 2(-).
2.5.8 Power LED Header (CN10)
The CN10 is for power LED interface.
1
2.5.9 Inverter Connector (CN11)
This is a Hirose DF13-8P-1.25C 8-pin connector for inverter. We strongly recommend
you to use the matching DF13-8P-1.25C connector to avoid malfunction.
2.5.10 Power and Reset Button Connector (CN12)
This is a 3-pin (pitch=1.25mm) wafer connector which is compliant with Molex
530470310 for power and reset button interface.
Pin
Signal
1
EXT SPK+
2
EXT SPK-
3
Buzzer
Pin
Signal
1
+5V 2 GND
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
FP_PSIN_N
2
GND
3
FP_RST_N
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PICO300 Pico-ITX Board
20 Board and Pin Assignments
2.5.11 DC Jack Power Connector w/ Screw (CN14)
The CN14 is a DC jack with screw. Firmly insert at least
60W adapter into this connector. Loose connection may
cause system instability and make sure all
components/devices are properly installed before
connecting.
2.5.12 HDMI Connector (CN15)
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.
2.5.13 VGA Connector (CN16)
The CN16 is a standard 15-pin D-Sub connector which is co-layout with HDMI connector
(CN15). It is commonly used for VGA display. This VGA interface configuration can be
configured via software utility.
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
Pin
Signal
Pin
Signal
1
RED
2
GREEN
3
BLUE
4
N.C 5 GND
6
GND
7
GND
8
GND
9
CRT_VCC
10
GND
11
N.C
12
DDC_DATA
13
Hsync
14
Vsync
15
DDC_CLK
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PICO300 Pico-ITX Board
Board and Pin Assignments 21
1
1
2.5.14 Ethernet Port (LAN1)
The board has one RJ-45 Ethernet connector. Connection can be established by
plugging one end of the Ethernet cable into this RJ-45 connector and the other end
(phone jack) to a 1000/100/10-Base-T hub.
2.5.15 SATA Connector (SATA1)
This Serial Advanced Technology Attachment (Serial ATA or SATA) connector is for
high-speed SATA interface port. It is a computer bus interface for connecting to devices
such as hard disk drives.
2.5.16 CMOS Battery Connector (BAT1)
This connector is for CMOS battery interface.
Pin
Signal
Pin
Signal
L1
MDI0P
L5
MDI2P
L2
MDI0N
L6
MDI2N
L3
MDI1P
L7
MDI3P
L4
MDI1N
L8
MDI3N
A
Active LED (Yellow)
B
100 LAN LED (Green) / 1000 LAN LED
(Orange)
Pin
Signal
1
GND
2
TXP 3 TXN 4 GND
5
RXN
6
RXP 7 GND
Pin
Signal
1
+3.3V
2
GND
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PICO300 Pico-ITX Board
22 Board and Pin Assignments
2.5.17 Full-size PCI-Express Mini Card and mSATA Connector
(SCN1)
This is a PCI-Express Mini Card connector on the bottom side supporting PCI-Express
x1 or SATA and USB 2.0. It complies with PCI-Express Mini Card Spec. V1.2. To enable
or disable SATA for mSATA card, please refer to BIOS setting in section 4.4. The default
setting is PCI-Express.
Pin
Signal
Pin
Signal
1
WAKE#
2
+3.3VSB
3
No use
4
GND
5
No use
6
+1.5V
7
CLKREQ#
8
No use
9
GND
10
No use
11
REFCLK-
12
No use
13
REFCLK+
14
No use
15
GND
16
No use
17
No use
18
GND
19
No use
20
W_DISABLE#
21
GND
22
PERST#
23
PE_RXN3/SATA_RXP
24
+3.3VSB
25
PE_RXP3/SATA_RXN
26
GND
27
GND
28
+1.5V
29
GND
30
SMB_CLK
31
PE_TXN3/SATA_TXN
32
SMB_DATA
33
PE_TXP3/SATA_TXP
34
GND
35
GND
36
USB_D8-
37
GND
38
USB_D8+
39
+3.3VSB
40
GND
41
+3.3VSB
42
No use
43
GND
44
No use
45
No use
46
No use
47
No use
48
+1.5V
49
No use
50
GND
51
No use
52
+3.3VSB
Page 29
PICO300 Pico-ITX Board
Hardware Description 23
Chapter 3
Hardware Description
3.1 Microprocessors
The PICO300 supports Intel® Pentium® N3710 and Celeron
®
N3060 processors, which
enables your system to operate under Windows® 7, Windows® 8.1 and Windows® 10
environments. The system performance depends on the microprocessor. Make sure all correct
settings are arranged for your installed microprocessor to prevent the CPU from damages.
3.2 BIOS
The PICO300 uses AMI Plug and Play BIOS with a single 64Mbit SPI Flash.
3.3 System Memory
The PICO300 supports one 204-pin DDR3L SO-DIMM socket for maximum memory capacity
up to 8GB DDR3L SDRAMs. The memory module comes in sizes of 2GB, 4GB and 8GB.
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PICO300 Pico-ITX Board
24 Hardware Description
3.4 I/O Port Address Map
The Intel® Pentium® N3710 and Celeron
®
N3060 processors communicate via I/O ports.
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PICO300 Pico-ITX Board
Hardware Description 25
3.5 Interrupt Controller (IRQ) Map
The interrupt controller (IRQ) mapping list is shown as follows:
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26 Hardware Description
Page 33
PICO300 Pico-ITX Board
Hardware Description 27
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28 Hardware Description
3.6 Memory Map
The memory mapping list is shown as follows:
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PICO300 Pico-ITX Board
AMI BIOS Setup Utility 29
Chapter 4
AMI BIOS Setup Utility
The AMI UEFI BIOS provides users with a built-in setup program to modify basic system
configuration. All configured parameters are stored in a flash chip to save the setup information
whenever the power is turned off. This chapter provides users with detailed description about
how to set up basic system configuration through the AMI BIOS setup utility.
4.1 Starting
To enter the setup screens, follow the steps below:
1. Turn on the computer and press the <Del> key immediately.
2. After you press the <Del> key, the main BIOS setup menu displays. You can access the
other setup screens from the main BIOS setup menu, such as the Advanced and Chipset
menus.
Note
If your computer cannot boot after making and saving system changes with BIOS
setup, you can restore BIOS optimal defaults by setting JP1 (see section 2.4.1).
It is strongly recommended that you should avoid changing the chipset’s defaults. Both AMI
and your system manufacturer have carefully set up these defaults that provide the best
performance and reliability.
4.2 Navigation Keys
The BIOS setup/utility uses a key-based navigation system called hot keys. Most of the BIOS
setup utility hot keys can be used at any time during the setup navigation process. These keys
include <F1>, <F2>, <Enter>, <ESC>, <Arrow> keys, and so on.
Note
Some of the navigation keys differ from one screen to another.
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30 AMI BIOS Setup Utility
Hot Keys
Description
Left/Right
The Left and Right <Arrow> keys allow you to select a setup screen.
Up/Down
The Up and Down <Arrow> keys allow you to select a setup screen or
sub-screen.
+ Plus/Minus
The Plus and Minus <Arrow> keys allow you to change the field value of a
particular setup item.
Tab
The <Tab> key allows you to select setup fields.
F1
The <F1> key allows you to display the General Help screen.
F2
The <F2> key allows you to Load Previous Values.
F3
The <F3> key allows you to Load Optimized Defaults.
F4
The <F4> key allows you to save any changes you have made and exit
Setup. Press the <F4> key to save your changes.
Esc
The <Esc> key allows you to discard any changes you have made and exit
the Setup. Press the <Esc> key to exit the setup without saving your
changes.
Enter
The <Enter> key allows you to display or change the setup option listed for a
particular setup item. The <Enter> key can also allow you to display the
setup sub- screens.
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AMI BIOS Setup Utility 31
4.3 Main Menu
When you first enter the setup utility, you will enter the Main setup screen. You can always
return to the Main setup screen by selecting the Main tab. System Time/Date can be set up as
described below. The Main BIOS setup screen is shown below.
BIOS Information
Display the auto-detected BIOS information.
System Date/Time
Use this option to change the system time and date. Highlight System Time or System
Date using the <Arrow> keys. Enter new values through the keyboard. Press the <Tab>
key or the <Arrow> keys to move between fields. The date must be entered in MM/DD/YY
format. The time is entered in HH:MM:SS format.
Access Level
Display the access level of current user.
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PICO300 Pico-ITX Board
32 AMI BIOS Setup Utility
4.4 Advanced Menu
The Advanced menu also allows users to set configuration of the CPU and other system
devices. You can select any of the items in the left frame of the screen to go to the sub menus:
► ACPI Settings
► Trusted Computing
► CPU Configuration
► SATA Configuration
► USB Configuration
► Super IO Configuration (This option appears only if an I/O board with serial ports is
connected)
► Hardware Monitor
► Utility Configuration
For items marked with “”, please press <Enter> for more options.
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AMI BIOS Setup Utility 33
ACPI Settings
You can use this screen to select options for the ACPI configuration, and change the value
of the selected option. A description of the selected item appears on the right side of the
screen.
ACPI Sleep State
Select the ACPI (Advanced Configuration and Power Interface) sleep state. Configuration
options are Suspend Disabled and S3 (Suspend to RAM). The default setting is S3
(Suspend to RAM); this option selects ACPI sleep state the system will enter when
suspend button is pressed.
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34 AMI BIOS Setup Utility
Trusted Computing
This screen provides function for specifying the TPM settings.
Security Device Support
Enable or disable BIOS support for security device. The default setting is Enable.
TPM State
Once the Security Device Support is enabled, TPM can be used by the operating system.
Current Status Information
Display current TPM status information.
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AMI BIOS Setup Utility 35
CPU Configuration
This screen shows the CPU Configuration and you can change the value of the selected
option.
Intel Virtualization Technology
Enable or disable Intel Virtualization Technology. When enabled, a VMM (Virtual Machine
Mode) can utilize the additional hardware capabilities. It allows a platform to run multiple
operating systems and applications independently, hence enabling a computer system to
work as several virtual systems.
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36 AMI BIOS Setup Utility
SATA Configuration
In the SATA Configuration menu, you can see the current installed hardware in the SATA
ports. During system boot up, the BIOS automatically detects the presence of SATA
devices.
SATA Controller
Enable or disable the SATA controller feature.
SATA Mode Selection
Determine how SATA controller(s) operate which is AHCI (Advanced Host Controller
Interface) mode.
PCIE Mini Card Function
Choose PCIE or mSATA for PCI-Express Mini Card. The default is PCIE. If mSATA card is
needed to insert to SCN1 (see section 2.5.17), please change setting to mSATA.
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AMI BIOS Setup Utility 37
USB Configuration
USB Devices
Display all detected USB devices which are installed in connector CN5 on PICO300, CN7
and CN8 on AX93275, CN4 and CN6 on AX93276 or CN3 on AX93292 (see section 2.5.3
and Appendix A).
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PICO300 Pico-ITX Board
38 AMI BIOS Setup Utility
Super IO Configuration
You can use this screen to select options for the Super IO Configuration, and change the
value of the selected option. A description of the selected item appears on the right side of
the screen. For items marked with “”, please press <Enter> for more options.
Serial Port 1~2 Configuration
Set parameters of serial port 1~2 when AX93275, AX93276 or AX93292 is installed (see
Appendix A for details of I/O Board).
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AMI BIOS Setup Utility 39
Serial Port 1 Configuration
Serial Port
The default is Enabled. The optimal setting for base I/O address is 3F8h and for interrupt
request address is IRQ4.
COM Mode
Use this option to set RS-232/422/485 communication mode for CN6B on AX93275, CN7B
on AX93276 or CN4 on AX93292 (see Appendix A for details of I/O Board).
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PICO300 Pico-ITX Board
40 AMI BIOS Setup Utility
Serial Port 2 Configuration
Serial Port
The default is Enabled. The optimal setting for base I/O address is 2F8h and for interrupt
request address is IRQ3.
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AMI BIOS Setup Utility 41
Hardware Monitor
This screen monitors hardware health status.
This screen displays the temperature of system and CPU, system voltages (VBAT and
+5V).
Utility Configuration
BIOS Flash Utility
BIOS flash utility configuration. For more detailed information, please refer to Appendix C.
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PICO300 Pico-ITX Board
42 AMI BIOS Setup Utility
4.5 Chipset Menu
The Chipset menu allows users to change the advanced chipset settings. You can select any
of the items in the left frame of the screen to go to the sub menus:
► North Bridge
► South Bridge
For items marked with “”, please press <Enter> for more options.
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AMI BIOS Setup Utility 43
North Bridge
This screen allows users to configure parameters of North Bridge chipset.
LCD Control
Open sub menu for parameters related to LCD configuration.
Memory Information
Show the information related to system memory.
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44 AMI BIOS Setup Utility
LCD Control
For PICO300 with VGA:
For PICO300 with HDMI:
Primary IGFX Boot Display
Select the video device which will be activated during POST (Power-On Self Test). The
default is Auto. The image above shows option list in Primary IGFX Boot Display when no
I/O board is installed.
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PICO300 Pico-ITX Board
AMI BIOS Setup Utility 45
When AX93275 is installed, the Primary IGFX Boot Display option list will be [Auto, CRT1,
LVDS and CRT2] or [Auto, HDMI, LVDS and CRT], see image below.
For PICO300 with VGA:
For PICO300 with HDMI:
Otherwise when AX93276 is installed, the Primary IGFX Boot Display option list will be
[Auto, CRT, LVDS and HDMI] or [Auto, HDMI1, LVDS and HDMI2], see image below.
For PICO300 with VGA:
For PICO300 with HDMI:
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PICO300 Pico-ITX Board
46 AMI BIOS Setup Utility
For PICO300 with VGA:
For PICO300 with HDMI:
Secondary IGFX Boot Display
Select secondary display device. This option appears only when Primary IGFX Boot
Display is set to CRT, LVDS or HDMI. The default is Disabled. The image above shows
option list in Secondary IGFX Boot Display when no I/O board is installed.
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PICO300 Pico-ITX Board
AMI BIOS Setup Utility 47
When AX93275 is installed, the option list in Secondary IGFX Boot Display will be
Disabled, LVDS and CRT2, see image below.
Otherwise when AX93276 is installed, the option list in Secondary IGFX Boot Display will
be Disabled, LVDS and HDMI.
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48 AMI BIOS Setup Utility
LVDS Panel Type
Select LVDS panel resolution; see the selection options in image above.
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AMI BIOS Setup Utility 49
South Bridge
This screen shows TXE information.
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50 AMI BIOS Setup Utility
4.6 Security Menu
The Security menu allows users to change the security settings for the system.
Administrator Password
This item indicates whether an administrator password has been set (installed or
uninstalled).
User Password
This item indicates whether an user password has been set (installed or uninstalled).
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AMI BIOS Setup Utility 51
4.7 Boot Menu
The Boot menu allows users to change boot options of the system.
Setup Prompt Timeout
Number of seconds to wait for setup activation key. 65535(0xFFFF) means indefinite
waiting.
Bootup NumLock State
Use this item to select the power-on state for the keyboard NumLock.
Quiet Boot
Select to display either POST output messages or a splash screen during boot-up.
Launch PXE OpROM policy
Use this item to enable or disable the boot ROM function of the onboard LAN chip when
the system boots up.
Boot Option Priorities [Boot Option #1, …]
These are settings for boot priority. Specify the boot device priority sequence from the
available devices.
Hard Drive BBS Priorities
Set the boot order of the specific devices in this group. This option appears only if at least
one device of this group is detected.
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52 AMI BIOS Setup Utility
4.8 Save & Exit Menu
The Save & Exit menu allows users to load your system configuration with optimal or fail-safe
default values.
Save Changes and Exit
When you have completed the system configuration changes, select this option to leave
Setup and return to Main Menu. Select Save Changes and Exit from the Save & Exit menu
and press <Enter>. Select Yes to save changes and exit.
Discard Changes and Exit
Select this option to quit Setup without making any permanent changes to the system
configuration and return to Main Menu. Select Discard Changes and Exit from the Save &
Exit menu and press <Enter>. Select Yes to discard changes and exit.
Save Changes and Reset
When you have completed the system configuration changes, select this option to leave
Setup and reboot the computer so the new system configuration parameters can take
effect. Select Save Changes and Reset from the Save & Exit menu and press <Enter>.
Select Yes to save changes and reset.
Discard Changes and Reset
Select this option to quit Setup without making any permanent changes to the system
configuration and reboot the computer. Select Discard Changes and Reset from the Save
& Exit menu and press <Enter>. Select Yes to discard changes and reset.
Save Changes
When you have completed the system configuration changes, select this option to save
changes. Select Save Changes from the Save & Exit menu and press <Enter>. Select Yes
to save changes.
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AMI BIOS Setup Utility 53
Discard Changes
Select this option to quit Setup without making any permanent changes to the system
configuration. Select Discard Changes from the Save & Exit menu and press <Enter>.
Select Yes to discard changes.
Restore Defaults
It automatically sets all Setup options to a complete set of default settings when you select
this option. Select Restore Defaults from the Save & Exit menu and press <Enter>.
Save as User Defaults
Select this option to save system configuration changes done so far as User Defaults.
Select Save as User Defaults from the Save & Exit menu and press <Enter>.
Restore User Defaults
It automatically sets all Setup options to a complete set of User Defaults when you select
this option. Select Restore User Defaults from the Save & Exit menu and press <Enter>.
Boot Override
Select a drive to immediately boot that device regardless of the current boot order.
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54 AMI BIOS Setup Utility
This page is intentionally left blank.
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PICO300 Pico-ITX Board
I/O Boards (Optional) 55
Appendix A
I/O Boards (Optional)
The AX93275, AX93276 and AX93292 are I/O expansion boards which are suggested to insert
carefully into CN2 and CN3 on PICO300. Their specifications and detailed information are
given in this chapter.
A.1 AX93275 Specifications
Size
118mm x 40mm
Features
VGA port.
Audio jack (MIC-in/line-out).
Four USB 3.0.
Serial Ports: One port for RS-232/422/485 and one port for RS-232.
Power-on, reset and red/green LED.
Note
All specifications and images are subject to change without notice.
A.2 AX93275 Dimensions and Fixing Holes
Top View
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56 I/O Boards (Optional)
Bottom View
A.3 AX93275 Board Layout
Top View
Side View
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I/O Boards (Optional) 57
A.4 AX93275 Assembly Drawing
Installing Thermal Solution and I/O Board
Gently insert I/O Board into CN2 and CN3 on PICO300. Align and firmly secure the thermal
solution plate and I/O board to PICO300. Be careful not to over-tighten the screws.
x4 x4 x4
x4
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58 I/O Boards (Optional)
A.5 AX93275 Jumper Settings
Properly configure jumper settings on the AX93275 I/O board to meet your application purpose.
Below you can find a summary table of all jumpers and onboard default settings.
Note
Once the default jumper setting needs to be changed, please do it under power-off
condition.
Jumper
Description
Setting
JP1
COM1 Data/Power Selection
Default: RS-232 Data
CN6B Pin 1: DCD
3-5 Close
CN6B Pin 9: RI
4-6 Close
A.5.1 COM1 Data/Power Selection (JP1)
The COM1 port has +5V level power capability on DCD and +12V level on RI by setting
JP1. When this port is set to +12V or +5V level, please make sure its communication
mode is RS-232 (see BIOS setting in section 4.4).
Function
Setting
Power: Set CN6B pin 1 to +5V level
1-3 close
Data: Set CN6B pin 1 to DCD (Default)
3-5 close
Power: Set CN6B pin 9 to +12V level
2-4 close
Data: Set CN6B pin 9 to RI (Default)
4-6 close
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I/O Boards (Optional) 59
A.6 AX93275 Connectors, Switches and LED
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 which shows all connectors, buttons and LED on the hardware.
Connector
Description
CN1
Power Connector
CN2
High Speed Board to Board Connector 1
CN3
High Speed Board to Board Connector 2
CN4
COM2 Connector
CN5
System Power Switch
CN6A
VGA D-Sub Connector
CN6B
COM1 D-Sub Connector
CN7~CN8
USB 3.0 Stack Connectors
CN9
Audio Jack
CN10
System Reset Switch
D6
Power and HDD LED Indicator
A.6.1 Power Connector (CN1)
This is a 2-pin (pitch=2.5mm) connector, which outputs +5V at 1A for fan to cool down
CPU and system temperature.
Pin
Signal
1
+5V 2 GND
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60 I/O Boards (Optional)
A.6.2 High Speed Board to Board Connectors (CN2 and CN3)
CN2 is a 2x30-pin high speed board to board connector. The pin assignments of CN2
are given as follows.
1 59
2 60
Pin
Signal
Pin
Signal
1
AUDIO_OUT-L
2
MIC-L
3
AUDIO_OUT-R
4
MIC-R
5
AUDIO_GND
6
AUDIO_GND
7
DSR2
8
DCD2
9
RTS2
10
RXD2
11
CTS2
12
TXD2
13
RI2
14
DTR2
15
DSR1
16
DCD1
17
RTS1
18
RXD1
19
CTS1
20
TXD1
21
RI1
22
DTR1
23
GND
24
GND
25
GPO_485_EN_N
26
SIO_PSIN#
27
GPO_485TERM_EN
28
SATA_LED
29
GPO_485_MODE0
30
HW_RESET#
31
GPO_485_MODE1
32
PLTRST_SIO
33
USB_OC23
34
USB_OC01
35
GND
36
GND
37
DP2
38
DP0
39
DN2
40
DN0
41
GND
42
GND
43
DN3
44
DP1
45
DP3
46
DN1
47
GND
48
GND
49
+V5_SBY
50
NA
51
+V5_SBY
52
NA
53
+V5_SBY
54
NA
55
+V5_SBY
56
+V12S
57
+V5S
58
+V3.3S
59
+V5S
60
+V3.3S
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I/O Boards (Optional) 61
CN3 is a 2x30-pin high speed board to board connector. The pin assignments of CN3
are given as follows.
1 59
2 60
Pin
Signal
Pin
Signal
1
NA 2 USB3_RXP1
3
NA 4 USB3_RXN1
5
GND
6
GND
7
NA 8 USB3_TXP1
9
NA
10
USB3_TXN1
11
GND
12
GND
13
NA
14
USB3_RXP2
15
NA
16
USB3_RXN2
17
GND
18
GND
19
DDI2_TXP0
20
USB3_TXP2
21
DDI2_TXN0
22
USB3_TXN2
23
GND
24
GND
25
DDI2_TXP1
26
USB3_RXP3
27
DDI2_TXN1
28
USB3_RXN3
29
GND
30
GND
31
NA
32
USB3_TXP3
33
NA
34
USB3_TXN3
35
GND
36
GND
37
NA
38
USB3_RXP4
39
NA
40
USB3_RXN4
41
GND
42
GND
43
NA
44
USB3_TXP4
45
NA
46
USB3_TXN4
47
GND
48
GND
49
DDPC_HPD
50
DDPC_AUXP
51
PLTRST_MINICARD
52
DDPC_AUXN
53
PCIE_WAKE#
54
GND
55
IO_BRD_BIT1
56
IO_BRD_BIT0
57
+V5S
58
+V3.3_SBY
59
+V5S
60
+V3.3_SBY
Page 68
PICO300 Pico-ITX Board
62 I/O Boards (Optional)
A.6.3 COM2 Connector (CN4)
The board comes with 2x5-pin box header for COM2 serial port interface, see table
below.
A.6.4 System Power Switch (CN5)
This button is for turning on/off the system power.
Pin
Signal
1
Data Carrier Detect (DCD)
2
Data Set Ready (DSR)
3
Receive Data (RXD)
4
Request to Send (RTS)
5
Transmit Data (TXD)
6
Clear to Send (CTS)
7
Data Terminal Ready (DTR)
8
Ring Indicator (RI)
9
Ground (GND)
10
No Connector
Function
Description
On
Turn on/off system
Off
Keep system status
Page 69
PICO300 Pico-ITX Board
I/O Boards (Optional) 63
A.6.5 VGA and COM1 D-Sub Connector (CN6A and CN6B)
The lower 15-pin D-Sub connector (CN6A) is for VGA interface and the upper 9-pin
D-Sub connector (CN6B) is for COM1 serial port interface. Note that CN6B is also
equipped with power capability on DCD and RI pins by setting JP1 (see section A.5.1). If
you need COM1 port to support RS-422 or RS-485 mode, please do it via BIOS setting
(see section 4.4). The pin assignments of RS-232/422/485 are listed in table below.
CN6B
CN6A
The CN6A is a standard type 15-pin D-Sub connector which is commonly used for VGA
monitor. This VGA interface configuration can be configured via software utility.
CN6B Pin
RS-232
RS-422
RS-485
1
DCD
TX-
Data-
2
RXD
TX+
Data+
3
TXD
RX+
No use
4
DTR
RX-
No use
5
GND
No use
No use
6
DSR
No use
No use
7
RTS
No use
No use
8
CTS
No use
No use
9
RI
No use
No use
CN6A Pin
Signal
Pin
Signal
1
Red 2 Green
3
Blue 4 N.C. 5 GND
6
GND
7
GND
8
GND
9
VCC
10
GND
11
N.C.
12
DDC DATA
13
Horizontal Sync
14
Vertical Sync
15
DDC CLK
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64 I/O Boards (Optional)
A.6.6 USB 3.0 Stack Connectors (CN7 and CN8)
The board comes with two double-deck Universal Serial Bus (compliant with USB 3.0
(5Gb/s)) connectors on the rear I/O which are for installing USB peripherals such as
keyboard, mouse, scanner, etc.
A.6.7 Audio Jack (CN9)
This is audio jack with HD audio support. Install audio driver, and then attach audio
devices to CN9.
A.6.8 System Reset Switch (CN10)
This button reboots your computer without turning off the power supply. It is a better way
to reboot your system for a longer life of the system power supply.
A.6.9 Power and HDD LED Indicator (D6)
The red LED is linked to Hard Disk Drive (HDD) activity signal. LED flashes every time
HDD is accessed.
The power LED (green) lights up and will remain steady while the system is powered on.
Pin
Signal
Pin
Signal
1
USB_VCC (+5V level
standby power)
10
USB_VCC (+5V level
standby power)
2
USB_Data2-
11
USB_Data3-
3
USB_Data2+
12
USB_Data3+
4
GND
13
GND
5
SSRX2-
14
SSRX3-
6
SSRX2+
15
SSRX3+
7
GND
16
GND
8
SSTX2-
17
SSTX3-
9
SSTX2+
18
SSTX3+
Pin Color
Signal
Green
Line-out
Pink
MIC-in
Function
Description
On
Reset system
Off
Keep system status
LED Color
Description
Red
Hard disk drive activity
Green
Power on/off
Page 71
PICO300 Pico-ITX Board
I/O Boards (Optional) 65
A.7 AX93276 Specifications
Size
118mm x 40mm
Features
HDMI port.
LAN port.
Four USB 3.0.
Serial Ports: One port for RS-232/422/485 and one port for RS-232.
Power-on, reset and red/green LED.
Note
All specifications and images are subject to change without notice.
A.8 AX93276 Dimensions and Fixing Holes
Top View
Page 72
PICO300 Pico-ITX Board
66 I/O Boards (Optional)
Bottom View
A.9 AX93276 Board Layout
Top View
Side View
Page 73
PICO300 Pico-ITX Board
I/O Boards (Optional) 67
A.10 AX93276 Assembly Drawing
Installing Thermal Solution and I/O Board
Gently insert I/O Board into CN2 and CN3 on PICO300. Align and firmly secure the thermal
solution plate and I/O board to PICO300. Be careful not to over-tighten the screws.
x4 x4 x4
x4
Page 74
PICO300 Pico-ITX Board
68 I/O Boards (Optional)
A.11 AX93276 Jumper Settings
Properly configure jumper settings on the AX93276 I/O board to meet your application purpose.
Below you can find a summary table of all jumpers and onboard default settings.
Note
Once the default jumper setting needs to be changed, please do it under power-off
condition.
Jumper
Description
Setting
JP1
COM1 Data/Power Selection
Default: RS-232 Data
CN7B Pin 1: DCD
3-5 Close
CN7B Pin 9: RI
4-6 Close
A.11.1 COM1 Data/Power Selection (JP1)
The COM1 port has +5V level power capability on DCD and +12V level on RI by setting
JP1. When this port is set to +12V or +5V level, please make sure its communication
mode is RS-232 (see BIOS setting in section 4.4).
Function
Setting
Power: Set CN7B pin 1 to +5V level
1-3 close
Data: Set CN7B pin 1 to DCD (Default)
3-5 close
Power: Set CN7B pin 9 to +12V level
2-4 close
Data: Set CN7B pin 9 to RI (Default)
4-6 close
Page 75
PICO300 Pico-ITX Board
I/O Boards (Optional) 69
A.12 AX93276 Connectors, Switches and LED
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 which shows all connectors, buttons and LED on the hardware.
Connector
Description
CN1
Power Connector
CN2
High Speed Board to Board Connector 1
CN3
High Speed Board to Board Connector 2
CN4
LAN and USB 3.0 Connector
CN5
System Power Switch
CN6
USB 3.0 Stack Connector
CN7A~CN7B
COM1 and COM2 D-Sub Connectors
CN8
HDMI Connector
CN9
System Reset Switch
D1
Power and HDD LED Indicator
A.12.1 Power Connector (CN1)
This is a 2-pin (pitch=2.5mm) connector, which outputs +5V at 1A for fan to cool down
CPU and system temperature.
Pin
Signal
1
+5V 2 GND
Page 76
PICO300 Pico-ITX Board
70 I/O Boards (Optional)
A.12.2 High Speed Board to Board Connectors (CN2 and CN3)
CN2 is a 2x30-pin high speed board to board connector. The pin assignments of CN2
are given as follows.
1 59
2 60
Pin
Signal
Pin
Signal
1
NA 2 NA 3 NA 4 NA 5 NA 6 NA 7 DSR2
8
DCD2
9
RTS2
10
RXD2
11
CTS2
12
TXD2
13
RI2
14
DTR2
15
DSR1
16
DCD1
17
RTS1
18
RXD1
19
CTS1
20
TXD1
21
RI1
22
DTR1
23
GND
24
GND
25
GPO_485_EN_N
26
SIO_PSIN#
27
GPO_485TERM_EN
28
SATA_LED
29
GPO_485_MODE0
30
HW_RESET#
31
GPO_485_MODE1
32
PLTRST_SIO
33
USB_OC23
34
USB_OC01
35
GND
36
GND
37
DP2
38
DP0
39
DN2
40
DN0
41
GND
42
GND
43
DN3
44
DP1
45
DP3
46
DN1
47
GND
48
GND
49
+V5_SBY
50
NA
51
+V5_SBY
52
NA
53
+V5_SBY
54
NA
55
+V5_SBY
56
+V12S
57
+V5S
58
+V3.3S
59
+V5S
60
+V3.3S
Page 77
PICO300 Pico-ITX Board
I/O Boards (Optional) 71
CN3 is a 2x30-pin high speed board to board connector. The pin assignments of CN3
are given as follows.
1 59
2 60
Pin
Signal
Pin
Signal
1
PCIE_IO_RXP
2
USB3_RXP1
3
PCIE_IO_RXN
4
USB3_RXN1
5
GND
6
GND
7
PCIE_IO_TXP
8
USB3_TXP1
9
PCIE_IO_TXN
10
USB3_TXN1
11
GND
12
GND
13
B2B_PCIE_CLK
14
USB3_RXP2
15
B2B_PCIE_CLK#
16
USB3_RXN2
17
GND
18
GND
19
DDI2_TXP0
20
USB3_TXP2
21
DDI2_TXN0
22
USB3_TXN2
23
GND
24
GND
25
DDI2_TXP1
26
USB3_RXP3
27
DDI2_TXN1
28
USB3_RXN3
29
GND
30
GND
31
DDI2_TXP2
32
USB3_TXP3
33
DDI2_TXN2
34
USB3_TXN3
35
GND
36
GND
37
DDI2_TXP3
38
USB3_RXP4
39
DDI2_TXN3
40
USB3_RXN4
41
GND
42
GND
43
DDPC_CTRLDATA
44
USB3_TXP4
45
DDPC_CTRLCLK
46
USB3_TXN4
47
GND
48
GND
49
DDPC_HPD
50
NA
51
PLTRST_MINICARD
52
NA
53
PCIE_WAKE#
54
GND
55
IO_BRD_BIT1
56
IO_BRD_BIT0
57
+V5S
58
+V3.3_SBY
59
+V5S
60
+V3.3_SBY
Page 78
PICO300 Pico-ITX Board
72 I/O Boards (Optional)
A.12.3 LAN and USB 3.0 Connector (CN4)
The board comes with one high performance plug and play Ethernet interface (RJ-45)
which is fully compliant with the IEEE 802.3 standard. Connection can be established by
plugging one end of the Ethernet cable into this RJ -45 connector and the other end to a
1000/100/10-Base-T hub.
The Universal Serial Bus (compliant with USB 3.0 (5Gb/s)) connectors on the rear I/O
are for installing USB peripherals such as keyboard, mouse, scanner, etc.
A.12.4 System Power Switch (CN5)
This button is for turning on/off the system power.
Pin
LAN Signal
Pin
LAN Signal
L1
MDI0+
L5
MDI2+
L2
MDI0-
L6
MDI2-
L3
MDI1+
L7
MDI3+
L4
MDI1-
L8
MDI3-
A
100 LAN LED (Green)/
1000 LAN LED (Orange)
B
Active LED
Pin
USB Signal
Pin
USB Signal
1
USB_VCC (+5V level
standby power)
10
USB_VCC (+5V level
standby power)
2
USB_Data2-
11
USB_Data3-
3
USB_Data2+
12
USB_Data3+
4
GND
13
GND
5
SSRX2-
14
SSRX3-
6
SSRX2+
15
SSRX3+
7
GND
16
GND
8
SSTX2-
17
SSTX3-
9
SSTX2+
18
SSTX3+
Function
Description
On
Turn on/off system
Off
Keep system status
Page 79
PICO300 Pico-ITX Board
I/O Boards (Optional) 73
A.12.5 USB 3.0 Stack Connector (CN6)
The board comes with a high rise double-deck Universal Serial Bus (compliant with USB
3.0 (5Gb/s)) connector on the rear I/O which are for installing USB peripherals such as
keyboard, mouse, scanner, etc.
A.12.6 COM1 and COM2 D-Sub Connector (CN7A and CN7B)
The CN7 is a double-deck 9-pin D-Sub connector. The lower connector (CN7A) is for
COM2 and the upper connector (CN7B) is for COM1. Note that only COM1 port comes
with power capability on DCD and RI pins by setting jumper (see section A.11.1). If you
need COM1 port to support RS-422 or RS-485 mode, please do it via BIOS setting (see
section 4.4). The pin assignments of RS-232/422/485 are listed in table below.
CN7B
CN7A
Pin
Signal
Pin
Signal
1
USB_VCC (+5V level
standby power)
10
USB_VCC (+5V level
standby power)
2
USB_Data2-
11
USB_Data3-
3
USB_Data2+
12
USB_Data3+
4
GND
13
GND
5
SSRX2-
14
SSRX3-
6
SSRX2+
15
SSRX3+
7
GND
16
GND
8
SSTX2-
17
SSTX3-
9
SSTX2+
18
SSTX3+
CN7B Pin
RS-232
RS-422
RS-485
1
DCD
TX-
Data-
2
RXD
TX+
Data+
3
TXD
RX+
No use
4
DTR
RX-
No use
5
GND
No use
No use
6
DSR
No use
No use
7
RTS
No use
No use
8
CTS
No use
No use
9
RI
No use
No use
CN7A Pin
Signal
1
Data Carrier Detect (DCD)
2
Receive Data (RXD)
3
Transmit Data (TXD)
4
Data Terminal Ready (DTR)
5
Ground (GND)
6
Data Set Ready (DSR)
7
Request to Send (RTS)
8
Clear to Send (CTS)
9
Ring Indicator (RI)
Page 80
PICO300 Pico-ITX Board
74 I/O Boards (Optional)
A.12.7 HDMI Connector (CN8)
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 CN8.
A.12.8 System Reset Switch (CN9)
This button reboots your computer without turning off the power supply. It is a better way
to reboot your system for a longer life of the system power supply.
A.12.9 Power and HDD LED Indicator (D1)
The red LED is linked to Hard Disk Drive (HDD) activity signal. LED flashes every time
HDD is accessed.
The power LED (green) lights up and will remain steady while the system is powered on.
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
Function
Description
On
Reset system
Off
Keep system status
LED Color
Description
Red
Hard disk drive activity
Green
Power on/off
Page 81
PICO300 Pico-ITX Board
I/O Boards (Optional) 75
A.13 AX93292 Specifications
Size
118mm x 29.25mm
Features
Audio (MIC-in/line-out/line-in).
Four USB 2.0.
Serial Ports: One port for RS-232/422/485 and one port for RS-232.
Power-on, reset and power/HDD LED.
Note
All specifications and images are subject to change without notice.
A.14 AX93292 Dimensions and Fixing Holes
Top View
Bottom View
Page 82
PICO300 Pico-ITX Board
76 I/O Boards (Optional)
Side View
A.15 AX93292 Board Layout
Top View
Page 83
PICO300 Pico-ITX Board
I/O Boards (Optional) 77
A.16 AX93292 Assembly Drawing
Installing Thermal Solution and I/O Board
Gently insert I/O Board into CN2 and CN3 on PICO300. Align and firmly secure the thermal
solution plate and I/O board to PICO300. Be careful not to over-tighten the screws.
x4 x4 x4
x4
Page 84
PICO300 Pico-ITX Board
78 I/O Boards (Optional)
A.17 AX93292 Jumper Settings
Properly configure jumper settings on the AX93292 I/O board to meet your application purpose.
Below you can find a summary table of all jumpers and onboard default settings.
Note
Once the default jumper setting needs to be changed, please do it under power-off
condition.
Jumper
Description
Setting
JP1
COM1 Data/Power Selection
Default: RS-232 Data
CN4 Pin 11: DCD1
3-5 Close
CN4 Pin 18: RI1
4-6 Close
A.17.1 COM1 Data/Power Selection (JP1)
The COM1 port has +5V level power capability on DCD and +12V level on RI by setting
JP1. When this port is set to +12V or +5V level, please make sure its communication
mode is RS-232 (see BIOS setting in section 4.4).
A.18 AX93292 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 which shows all connectors on the hardware.
Connector
Description
CN1
High Speed Board to Board Connector 1
CN2
High Speed Board to Board Connector 2
CN3
Low Speed IO Connector
CN4
COM1 and COM2 Connector
Function
Setting
Power: Set CN4 pin 11 to +5V level
1-3 close
Data: Set CN4 pin 11 to DCD1 (Default)
3-5 close
Power: Set CN4 pin 18 to +12V level
2-4 close
Data: Set CN4 pin 18 to RI1 (Default)
4-6 close
Page 85
PICO300 Pico-ITX Board
I/O Boards (Optional) 79
A.18.1 High Speed Board to Board Connectors (CN1 and CN2)
CN1 is a 2x30-pin high speed board to board connector. The pin assignments of CN1
are given as follows.
1 59
2 60
Pin
Signal
Pin
Signal
1
AUDIO_OUT-L
2
MIC-L
3
AUDIO_OUT-R
4
MIC-R
5
AUDIO_GND
6
AUDIO_GND
7
DSR2
8
DCD2
9
RTS2
10
RXD2
11
CTS2
12
TXD2
13
RI2
14
DTR2
15
DSR1
16
DCD1
17
RTS1
18
RXD1
19
CTS1
20
TXD1
21
RI1
22
DTR1
23
GND
24
GND
25
GPO_485_EN_N
26
SIO_PSIN#
27
GPO_485TERM_EN
28
SATA_LED
29
GPO_485_MODE0
30
HW_RESET#
31
GPO_485_MODE1
32
PLTRST_SIO
33
USB_OC23
34
USB_OC01
35
GND
36
GND
37
DP2
38
DP0
39
DN2
40
DN0
41
GND
42
GND
43
DN3
44
DP1
45
DP3
46
DN1
47
GND
48
GND
49
NA
50
LINE_IN_L
51
NA
52
LINE_IN_R
53
NA
54
AUDIO_GND
55
NA
56
+V12S
57
+V5S
58
+V3.3S
59
+V5S
60
+V3.3S
Page 86
PICO300 Pico-ITX Board
80 I/O Boards (Optional)
CN2 is a 2x30-pin high speed board to board connector. The pin assignments of CN2
are given as follows.
1 59
2 60
Pin
Signal
Pin
Signal
1
NA 2 NA 3 NA 4 NA 5 GND
6
GND
7
NA 8 NA 9 NA
10
NA
11
GND
12
GND
13
NA
14
NA
15
NA
16
NA
17
GND
18
GND
19
NA
20
NA
21
NA
22
NA
23
GND
24
GND
25
NA
26
NA
27
NA
28
NA
29
GND
30
GND
31
NA
32
NA
33
NA
34
NA
35
GND
36
GND
37
NA
38
NA
39
NA
40
NA
41
GND
42
GND
43
NA
44
NA
45
NA
46
NA
47
GND
48
GND
49
NA
50
NA
51
NA
52
NA
53
RI#
54
GND
55
IO_BRD_BIT1
56
IO_BRD_BIT0
57
+V5S
58
+V3.3_SBY
59
+V5S
60
+V3.3_SBY
Page 87
PICO300 Pico-ITX Board
I/O Boards (Optional) 81
A.18.2 Low Speed IO Connector (CN3)
This is a 39-pin connector which is compliant with AMP 4-1734507-0 for low speed
signal interface consisting of a set of HD Audio, four USB 2.0 ports, power/reset button
and power/HDD LED indicator signals.
2 38
1 39
Pin
Signal
Pin
Signal
1
MIC 2 LINE_OUT_L
3
LINE_IN_L
4
LINE_OUT_R
5
LINE_IN_R
6
AUDIO_GND
7
AUDIO_GND
8
GND
9
GND
10
GND
11
USB_VCC
(+5V level )
12
USB_VCC
(+5V level )
13
USB_Data0-
14
USB_Data1-
15
USB_Data0+
16
USB_Data1+
17
GND
18
GND
19
GND
20
GND
21
USB_VCC
(+5V level )
22
USB_VCC
(+5V level )
23
USB_Data2-
24
USB_Data3-
25
USB_Data2+
26
USB_Data3+
27
GND
28
GND
29
GND
30
GND
31
+V5S
32
SIO_PSIN#
33
HW_RESET#
34
GND
35
+V5S
36
NA
37
HDD_LED
38
NA
39
GND
Page 88
PICO300 Pico-ITX Board
82 I/O Boards (Optional)
A.18.3 COM1 and COM2 Connector (CN4)
This is a 2x10-pin connector which is compliant with AMP 2-1734507-0 for COM1 and
COM2 serial port interface. Only COM1 port has +5V level power capability on DCD and
+12V level on RI by setting JP1 (see section A.17.1). If you need COM1 port to support
RS-422 or RS-485, please refer to BIOS setting in section 4.4. The COM2 port supports
only RS-232. The pin assignments of RS-232/422/485 are listed in table below.
2 20
1 19
Pin
RS-232
RS-422
RS-485
1
DCD2
2
DSR2
3
RXD2
4
RTS2
5
TXD2
6
CTS2
7
DTR2
8
RI2 9 GND
GND
GND
10
+V5S
+V5S
+V5S
11
DCD1
TX-
Data-
12
DSR1
No use
No use
13
RXD1
TX+
Data+
14
RTS1
No use
No use
15
TXD1
RX+
No use
16
CTS1
No use
No use
17
DTR1
RX-
No use
18
RI1
No use
No use
19
GND
GND
GND
20
+V5S
+V5S
+V5S
Page 89
PICO300 Pico-ITX Board
Watchdog Timer 83
Appendix B
Watchdog Timer
B.1 About Watchdog Timer
Software stability is major issue in most application. Some embedded systems are not
watched by human for 24 hours. It is usually too slow to wait for someone to reboot when
computer hangs. The systems need to be able to reset automatically when things go wrong.
The watchdog timer gives us solution.
The watchdog timer is a counter that triggers a system reset when it counts down to zero from
a preset value. The software starts counter with an initial value and must reset it periodically. If
the counter ever reaches zero which means the software has crashed, the system will reboot.
B.2 How to Use Watchdog Timer
The I/O port base addresses of watchdog timer are 2E (hex) and 2F (hex). The 2E (hex) and
2F (hex) are address and data port respectively.
Assume that program A is put in a loop that must execute at least once every 10ms. Initialize
watchdog timer with a value bigger than 10ms. If the software has no problems; watchdog
timer will never expire because software will always restart the counter before it reaches zero.
Begin
Enable and Initialize
Watchdog Timer
Program “A”
Disable Watchdog
Timer
Next
Next
Next
Next
Begin
Enable and Initialize
Watchdog Timer
Program “A”
Reset Watchdog
Timer
Next
Next
Next
Next
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84 Watchdog Timer
B.3 Sample Program
Assembly sample code :
;Enable WDT:
mov dx,2Eh
mov al,87 ;Un-lock super I/O
out dx,al
out dx,al
;Select Logic device:
mov dx,2Eh
mov al,07h
out dx,al
mov dx,2Fh
mov al,07h
out dx,al
;Enable WDT base address:
mov dx,2Eh
mov al,30h
out dx,al
mov dx,2Fh
mov al,01h
out dx,al
;Activate WDT:
mov dx,2Eh
mov al,0F0h
out dx,al
mov dx,2Fh
mov al,80h
out dx,al
;Set base timer :
mov dx,2Eh
mov al,0F6h
out dx,al
mov dx,2Fh
mov al,Mh ;M=00h,01h,...FFh (hex),Value=0 to 255
out dx,al ;(see
Note
below)
;Set Second or Minute :
mov dx,2Eh
mov al,0F5h
out dx,al
mov dx,2Fh
mov al,Nh ;N=71h or 79h(see
Note
below)
out dx,al
Note:
If N=71h, the time base is set to second.
M = time value
00: Time-out Disable
01: Time-out occurs after 1 second
02: Time-out occurs after 2 seconds
03: Time-out occurs after 3 seconds
.
.
FFh: Time-out occurs after 255 seconds
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Watchdog Timer 85
If N=79h, the time base is set to minute.
M = time value
00: Time-out Disable
01: Time-out occurs after 1 minute
02: Time-out occurs after 2 minutes
03: Time-out occurs after 3 minutes
.
.
FFh: Time-out occurs after 255 minutes
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BIOS Flash Utility 87
Appendix C
BIOS Flash Utility
The BIOS Flash utility is a new helpful function in BIOS setup program. With this function you
can easily update system BIOS without having to enter operating system. In this appendix you
may learn how to do it in just a few steps. Please read and follow the instructions below
carefully.
1. In your USB flash drive, create a new folder and name it “Axiomtek”, see figure below.
2. Copy BIOS ROM file (e.g. PICO300.005) to “Axiomtek” folder.
3. Insert the USB flash drive to your system.
4. Enter BIOS setup menu and go to Advanced\Utility Configuration. Select BIOS Flash
Utility and press <Enter>.
PICO300.005
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`88 BIOS Flash Utility
5. BIOS automatically detect all USB drive(s) attached to the system. In this example only
one USB drive is attached to the system. That’s why, you can see only one device is
displayed in figure below.
6. Select the USB drive containing BIOS ROM file you want to update using the <> or
<> key. Then press <Enter> to get into “Axiomtek” folder.
7. Now you can see the BIOS ROM file on the screen, press <Enter> to select.
8. Select Start to flash system BIOS option to begin updating procedure.
PICO300.005
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BIOS Flash Utility 89
9. Please wait while BIOS completes the entire flash update process: erase data, write new
data and verify data.
10. When you see the following figure, press <Enter> to finish the update process. After that
the system will shut down and restart immediately.
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`90 BIOS Flash Utility
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