Intel D845GVFN Product Specification - Page 50

Rear Chassis Fan Connector

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Intel Desktop Board D845GVFN Technical Product Specification Table 25. 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 26. Processor Fan Connector Pin Signal Name 1 Ground (default) or CPU_FAN_CTRL (optional) 2 +12 V 3 No connect (default) or CPU_FAN_TACH Table 27. Main Power Connector Pin Signal Name Pin 1 +3.3 V 11 2 +3.3 V 12 3 Ground 13 4 +5 V 14 5 Ground 15 6 +5 V 16 7 Ground 17 8 PWRGD (Power Good) 18 9 +5 V (Standby) 19 10 +12 V 20 Table 28. 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 29. Chassis Intrusion Connector (Optional) Pin Signal Name 1 Intruder 2 Ground Signal Name +3.3 V -12 V Ground PS-ON# (power supply remote on/off) Ground Ground Ground No connect +5 V +5 V 50

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Intel Desktop Board D845GVFN Technical Product Specification
50
Table 25.
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 26.
Processor Fan Connector
Pin
Signal Name
1
Ground (default) or CPU_FAN_CTRL
(optional)
2
+12 V
3
No connect (default) or
CPU_FAN_TACH
Table 27.
Main Power Connector
Pin
Signal Name
Pin
Signal Name
1
+3.3 V
11
+3.3 V
2
+3.3 V
12
-12 V
3
Ground
13
Ground
4
+5 V
14
PS-ON# (power supply remote on/off)
5
Ground
15
Ground
6
+5 V
16
Ground
7
Ground
17
Ground
8
PWRGD (Power Good)
18
No connect
9
+5 V (Standby)
19
+5 V
10
+12 V
20
+5 V
Table 28.
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 29.
Chassis Intrusion Connector (Optional)
Pin
Signal Name
1
Intruder
2
Ground