Acer Aspire T690 Service Manual page 72

Connecting Components
1. Connect the CPU cooling fan cable to CPU_FAN1.
2. Connect the system cooling fan connector to SYS_FAN1.
3. Connect the case switches and indicator LEDs to the PANEL1.
4. Connect the standard power supply connector ATX1.
5. Connect the auxiliary case power supply connector to ATX12V1.
CPU_FAN1: CPU Fan Connector
Pin
1 GND
2 +12V
3 Sense
4 Control
NOTE: Please note that the fan connector supports the CPU cooling fan of 1.1A ~ 2.2A (26.4W) at +12V.
SYS_FAN1: System Cooling Fan Connector
Pin
1 GND
Chapter 5
Signal Name
System Ground
Power +12V
Sensor
CPU FAN control
Signal Name
System Ground
Function
Function
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