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007-4276-001
A: Technical Reference
Table A-33 describe the processor fan connector #3 (J4A1).
Table A-34 describe the processor fan connector #4 (J4C1).
Internal Disk Drive LED Connection
Table A-35 shows the cable pinout assignment for the internal disk drive LED connector.
Table A-33
Processor Fan Connector #3 (J4A1)
Pin
Signal
Type
Description
1
Ground
Power
GROUND is the power supply ground
2
12V
Power
Power supply 12 V
3
Fan Tach
Out
FAN_TACH signal is connected to the BMC to monitor the
FAN speed
Table A-34
Processor Fan Connector #4 (J4C1)
Pin
Signal
Type
Description
1
Ground
Power
GROUND is the power supply ground
2
12V
Power
Power supply 12 V
3
Fan Tach
Out
FAN_TACH signal is connected to the BMC to monitor the
FAN speed
Table A-35
Internal Disk Drive LED Connector
Pin
Signal
Description
1
NC
No connect
2
Activity signal
5 V, high true activity signal
3
Activity signal
Same as pin 2 (Shorted to pin 2)
4
NC
No connect
Summary of Contents for 1450
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