Hardware Configuration
ROBO-8712E Series User’s Manual
2-4
Pin Assignments of Connectors
J1: 4P Header for CPU 12V Power
PIN No.
Signal Description
1
GND
2
GND
3
+12V
4
+12V
J2: 4P Header for System Power
PIN No.
Signal Description
1
+12V
2
GND
3
GND
4
+5V
J3 /J6: IDE1/IDE2 Interface Connector
PIN No.
Signal Description
PIN No.
Signal 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
DMA REQ
22
Ground
23
IOW#
24
Ground
25
IOR#
26
Ground
27
IOCHRDY
28
Pull-down
29
DMA ACK#
30
Ground
31
INT REQ
32
N/C
33
SA1
34
N/C
35
SA0
36
SA2
37
HDC CS0#
38
HDC CS1#
39
HDD Active#
40
Ground
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