Intel SE8500HW4 - Manual (Page 63)

Intel® Server Board Set SE8500HW4 Connectors
Revision 1.0
Intel order number D22893-001
51
7.6 Power
The Intel
®
Server Board Set SE8500HW4 has three connectors for the power subsystem, two
12-pin connectors which provide primary power and one 2x15 header for power subsystem
signals and 3.3V
stby.
Table 22. 12-pin Power Connector Pinout
Pins Signal
1-6 GND
7-12 +12V
Table 23. 30-pin Power Signal Header Pinout
Pins Signal Description
1,17,25,30 GND
6,7,10,12,14,15,24 3.3V
stby
2 PS1 present
3 PS2 AC good
4 PS Fan control
5 PS1 AC good
8 PS1 AC range
9 PS on
11 I
2
C SCL
13 I 2 C SDA
16 12V Sense return
18 PS 90% utilization
19 PS 74% utilization
20 PS 45% utilization
21 PS 37% utilization
22 Int alert
23 PS2 AC range
26 PS1 AC good
27 12V Sense
28 PS1 power OK
29 PS2 present