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Chapter 4
I/O Definition
Please refer the detailed technical information about all of I/O ports as followings.
4.1 IDE Disk Drive Connector
You can attach two IDE (Integrated Device Electronics) hard disk drives on one channel. These connectors support
Ultra-DMA133 IDE devices.
•
CN5: Primary IDE Connector (Pitch 2.54 mm)
PIN Description PIN Description
1 RESET#
2 GROUND
3 DATA
7
4 DATA
8
5 DATA
6
6 DATA
9
7 DATA
5
8 DATA
10
9 DATA
4
10 DATA
11
11
DATA 3
12
DATA 12
13 DATA
2
14 DATA
13
15 DATA
1
16 DATA
14
17 DATA
0
18 DATA
15
19 GROUND
20 N/C
21 IDE
DREQ
22 GROUND
23 IOW#
24 GROUND
25 IOR#
26 GROUND
27 IDE
DRDYA
28 GROUND
29 IDE
DACK
30 GROUND
31 INTERRUPT
32 N/C
33 SA1
34 CABLE_80P
35 SA0
36 SA2
37
HDC CS0#
38
HDC CS1#
39 HDD
ACTIVE#
40 GROUND
The system includes a slot for a Compact Flash Storage Card in IDE Mode (Using IDE2).
•
CN20: Power Connector
PIN Description PIN Description
1 GROUND
2 GROUND
3 +12V
4 +5V
