Intel SE8500HW4 - Manual (Page 68)

Connectors Intel® Server Board Set SE8500HW4
Revision 1.0
Intel order number D22893-001
56
7.8.3 3-pin Chassis Intrusion
Table 31. 3-pin Chassis Intrusion Pinout
Pin Signal
1 Intrusion event
2 GND
3 Intrusion button attached
7.8.4 I
2
C POST Code Headers
The Mainboard has a 5-pin header (with the fourth pin removed) for an I 2 C POST-code card.
The I 2 C signals are from the SMB bus in the ICH5. The data and clock signals are pulled up to
3.3V
stby
.
Table 32. 5-pin I
2
C POST Code Header Pinout
Pin Signal
1 12 V Standby
2 SMBDATA
3 SMBCLK
4 NC – pin removed
5 Ground