Socket Mobile Pentium 4 Full Size PICMG CPU Card IB810 User Manual
Page 22

INSTALLATIONS
18
IB810 User’s Manual
 
 
Hard Disk Drive LED Connector: Pins 10 and 20 
This connector connects to the hard drive activity LED on 
control panel. This LED will flash when the HDD is being 
accessed. 
Pin #
Signal Name
10
HDD Active
20
5V
 
J2: ATX 12V/+12V Power Connector 
Pin #
Signal Name
1
Ground
2
Ground
3
+12V
4
+12V
 
 
 
 
 
 
 
 
 
 
 
 
 
IDE1, IDE2: EIDE Connectors 
IDE1: Primary IDE Connector
Signal Name
Pin #
Pin #
Signal Name
Reset IDE
1
2
Ground
Host data 7
3
4
Host data 8
Host data 6
5
6
Host data 9
Host data 5
7
8
Host data 10
Host data 4
9
10
Host data 11
Host data 3
11
12
Host data 12
Host data 2
13
14
Host data 13
Host data 1
15
16
Host data 14
Host data 0
17
18
Host data 15
Ground
19
20
Protect pin
DRQ0
21
22
Ground
Host IOW
23
24
Ground
Host IOR
25
26
Ground
IOCHRDY
27
28
Host ALE
DACK0
29
30
Ground
IRQ14
31
32
No connect
Address 1
33
34
No connect
Address 0
35
36
Address 2
Chip select 0
37
38
Chip select 1
IDE1
Activity
39
40
Ground
