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Chapter 4: Motherboard information4-12
7. Hard disk activity LED connector (4-pin HDLED1)
This connector supplies power to the hard disk activity LED. The read or
write activities of any device connected to the SCSI connectors or the SATA
connectors cause this LED to light up.
®
P5BP-E/4L
P5BV-E/4L
Card Activity LED Connector
#
HDLED1
1
ADD_IN_CARD_ACT
#ADD_IN_CARD_ACT
NC
NC
6. CPU fan connector (4-pin CPU_FAN1)
The fan connector supports cooling fan of 350 mA ~ 740 mA (8.88 W max.)
or a total of 2.1 A ~ 4.44 A (53.28 W max.) at +12V. Connect the fan cables
to the fan connectors on the motherboard, making sure that the black wire of
each cable matches the ground pin of the connector.
Do not forget to connect the fan cables to the fan connectors. Insufcient air
ow inside the system may damage the motherboard components. These are
not jumpers! Do not place jumper caps on the fan connectors!
®
P5BP-E/4L
P5BP-E/4L
CPU Fan Connector
GND
FANPWR2
FANOUT4
CPU_FAN1