Intel D865GRH D865GRH_TechProdSpec. - Page 77

Integrator, S Notes

Page 77 highlights

Technical Reference # INTEGRATOR'S NOTES • Use only ATX12V-, SFX12V-, or TFX12V-compliant power supplies with the Desktop Board D865GRH. 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 28. ATX12V Power Connector Pin Signal Name 1 Ground 3 +12 V Pin Signal Name 2 Ground 4 +12 V Table 29. Processor Fan Connector Pin Signal Name 1 Control 2 +12 V 3 CPU_FAN_TACH Table 30. 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 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 77

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Technical Reference
77
#
INTEGRATOR
S NOTES
Use only ATX12V-, SFX12V-, or TFX12V-compliant power supplies with the Desktop Board
D865GRH.
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 28.
ATX12V Power Connector
Pin
Signal Name
Pin
Signal Name
1
Ground
2
Ground
3
+12 V
4
+12 V
Table 29.
Processor Fan Connector
Pin
Signal Name
1
Control
2
+12 V
3
CPU_FAN_TACH
Table 30.
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