Rear Chassis Fan Connector; Atx12V Power Connector; Processor Fan Connector; Main Power Connector - Intel D865PCK Specification

Table 17.

Rear Chassis Fan Connector

Pin Signal Name
1 Control
2 +12 V
3 REAR_TACH_OUT
INTEGRATOR'S NOTES
•
Use only ATX12V-, SFX12V-, or TFX12V-compliant power supplies with the Desktop Board
D865PCK. ATX12V, SFX12V, and TFX12V power supplies have an additional power lead that
provides required supplemental power for the processor. Always connect the 20-pin and 4-pin
leads of ATX12V, SFX12V, and TFX12V power supplies to the corresponding connectors on
the desktop board, otherwise the board will not boot.
•
Do not use a standard ATX power supply. The board will not boot with a standard ATX power
supply.
Table 18.

ATX12V Power Connector

Pin Signal Name
1 Ground
3 +12 V
Table 19.

Processor Fan Connector

Pin Signal Name
1 Control
2 +12 V
3 CPU_FAN_TACH
Table 20.

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
Pin Signal Name
2 Ground
4 +12 V
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
Technical Reference
43