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Board Layout

Chapter 3

Embedded and Industrial Computing

Clear CMOS jumper (JP3): It is for clearing the CMOS

memory.

Digital I/O (DIO1)

Digital IN/OUT(DIO1) Connector: The 8 pins of digital

Input/Output (GPIO) support input and output operations

through the 2x5-pin terminal block.

TTL Level is +5V; Maximum input/output current for

each port is 20mA

Input/Output Voltage Logic Register

0~2V Low 0

2~5V High 1

The output default value is 0

DIO Address LDN8

Address Description

0x2e SUPERIO_INDEX

0x2f SUPERIO_DATA

0x07 BANK_REG

0xE6 (Bit 3) GPO63

0: Low 1: High

0xE6 (Bit 2) GPO62

0: Low 1: High

0xE6 (Bit 1) GPO61

0: Low 1: High

0xE6 (Bit 0) GPO60

0: Low 1: High

DIO Address LDN9

Address Description

0x2e SUPERIO_INDEX

0x2f SUPERIO_DATA

0x07 BANK_REG

0xE6 (Bit 3) GPI24

0: Low 1: High

0xE6 (Bit 2) GPI25

0: Low 1: High

0xE6 (Bit 1) GPI26

0: Low 1: High

0xE6 (Bit 0) GPI27

0: Low 1:High

CompactFlash Connector (CFD1): It is for connecting a

Compact Flash card to be served as your system’s storage.

Pin No. Function Pin No. Function

Pin Signal Pin Signal

1 GND 26 CD1#

2 PDD3 27 PDD11

3 PDD4 28 PDD12

4 PDD5 29 PDD13

5 PDD6 30 PDD14

6 PDD7 31 PDD15

7 PDCS1_N 32 PDCS3_N

8 GND 33 N/A

9 GND 34 PDIOR_N

10 GND 35 PDIOW_N

11 GND 36 WE#

12 1GND 37 IRQ14

13 VCC5 38 VCC5

14 GND 39 CSEL#

15 GND 40 N/A

16 GND 41 PRST

17 GND 42 PDIORDY

18 PDA2 43 PDDREQ

19 PDA1 44 PDDACK

20 PDA0 45 PDACTIVE

21 PDD0 46 PATADET

22 PDD1 47 PDD8

23 PDD2 48 PDD9

24 IOCS16# 49 PDD10

25 CD2# 50 GND

LAN1/LAN2 Ports (LAN1/LAN2): The LAN ports are

provided by Realtek RTL8111E Ethernet Controllers. The

following lists its main features:

Wake-on-LAN and remote wake-up support•

Microsoft NDIS5, NDIS6 Checksum Offload (IPv4, IPv6, •

TCP, UDP) and Segmentation Task-offload (Large send

v1 and Large send v2) support

Supports IEEE 802.1P Layer 2 Priority Encoding•

Supports IEEE 802.1Q VLAN tagging•

Pin No. Description

Fast Ethernet Gigabit Ethernet

1 TX+ BI_DA+

2 TX- BI_DA-

3 RX+ BI_DB+

4 -- BI_DC+

5 -- BI_DC-

6 RX- BI_DB-

7 -- BI_DD+

8 -- BI_DD-

Pin No. Pin Name

1 Input0

3 Input1

5 Input2

7 Input3

9 GND

Pin No. Pin Name

2 Output0

4 Output1

6 Output2

8 Output3

10 GND

25 1

50 26

Pin No. Pin Name

1-2 Normal (Default)

2-3 Clear CMOS

1 3 5 7 9

2 4 6 8 10

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 36 37

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