Rear Chassis Fan Connector; Processor Fan Connector; Main Power Connector; Front Chassis Fan Connector - Intel D845EPI Specification

Intel Desktop Board D845EPI Technical Product Specification
Table 20.

Rear Chassis Fan Connector

Pin Signal Name
1 Ground (default) or
FNT_REAR_FAN_CTRL (optional)
2 +12 V
3 No connect (default) or
REAR_TACH_OUT (optional)
Table 21.

Processor Fan Connector

Pin Signal Name
1 Ground (default) or CPU_FAN_TACH
(optional)
2 +12 V
3 No connect (default) or
CPU_FAN_TACH
Table 22.

Main Power Connector

Pin Signal Name
1 +3.3 V
2 +3.3 V
3 Ground
4 +5 V
5 Ground
6 +5 V
7 Ground
8 PWRGD (Power Good)
9 +5 V (Standby)
10 +12 V
Table 23.

Front Chassis Fan Connector

Pin Signal Name
1 Ground (default) or
FNT_REAR_FAN_CTRL (optional)
2 +12 V
3 No connect (default) or
FRONT_FAN_TACH (optional)
Table 24.

Chassis Intrusion Connector

Pin Signal Name
1 Intruder
2 Ground
48
Pin Signal Name
11 +3.3 V
12 -12 V
13 Ground
14 PS-ON# (power supply remote on/off)
15 Ground
16 Ground
17 Ground
18 No connect
19 +5 V
20 +5 V