Asus P4BGL-VM P4BGL-VM User Manual - Page 47

ASUS P4BGL-VM motherboard user guide, CPU and Chassis Fan Connectors 3-pin CPU_FAN1, CHA_FAN1,

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5. CPU and Chassis Fan Connectors (3-pin CPU_FAN1, CHA_FAN1) The fan connectors support cooling fans of 350mA (4.2 Watts) or a total of 1A (12W) at +12V. Connect the fan cable to the connector matching the black wire to the ground pin. Do not forget to connect the fan cables to the fan connectors. Lack of sufficient air flow within the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps over the fan connectors! Doing so will damage the motherboard. ® P4BGL-VM CPU_FAN1 GND +12V Rotation CHA_FAN1 GND +12V Rotation P4BGL-VM 12-Volt Cooling Fan Power 6. Chassis open alarm lead (4-1 pin CHASSIS) This lead is for a chassis designed with intrusion detection feature. This requires an external detection mechanism such as a chassis intrusion sensor or microswitch. When you remove any chassis component, the sensor triggers and sends a high-level signal to this lead to record a chassis intrusion event. If you do not wish to use the chassis intrusion lead, place a jumper cap over the pins labeled "Chassis Signal" and "Ground" to close the circuit. ® CHASSIS +5VSB_MB Chassis Signal GND P4BGL-VM P4BGL-VM Chassis Alarm Lead ASUS P4BGL-VM motherboard user guide 2-23

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ASUS P4BGL-VM motherboard user guide
2-23
5.
CPU and Chassis Fan Connectors (3-pin CPU_FAN1, CHA_FAN1)
The fan connectors support cooling fans of 350mA (4.2 Watts) or a
total of 1A (12W) at +12V. Connect the fan cable to the connector
matching the black wire to the ground pin.
Do not forget to connect the fan cables to the fan connectors. Lack of
sufficient air flow within the system may damage the motherboard
components. These are not jumpers! DO NOT place jumper caps over
the fan connectors! Doing so will damage the motherboard.
6.
Chassis open alarm lead (4-1 pin CHASSIS)
This lead is for a chassis designed with intrusion detection feature.
This requires an external detection mechanism such as a chassis
intrusion sensor or microswitch. When you remove any chassis
component, the sensor triggers and sends a high-level signal to this
lead to record a chassis intrusion event.
If you do not wish to use the chassis intrusion lead, place a jumper cap
over the pins labeled “Chassis Signal” and “Ground”
to close the
circuit.
P4BGL-VM
P4BGL-VM 12-Volt Cooling Fan Power
CPU_FAN1
CHA_FAN1
GND
Rotation
+12V
GND
Rotation
+12V
P4BGL-VM
P4BGL-VM
Chassis Alarm Lead
CHASSIS
+5VSB_MB
Chassis Signal
GND