User guide

1-16
Chapter 1: Product introduction
6. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2)
Connect the fan cables to the fan connectors on the motherboard, ensuring 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. Insufcient air ow inside
the system may damage the motherboard components. These are not jumpers! Do not
place jumper caps on the fan connectors! The CPU_FAN connector supports a CPU fan of
maximum 1A (12 W) fan power.
Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature.
7. Intel
®
Q87 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~5 [brown])
This connector connects to Serial ATA 6.0 Gb/s hard disk drives via Serial ATA 6.0 Gb/s
signal cables.
When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to [AHCI].
See section 2.6.4 SATA Conguration for details.
CHA_FAN2
GND
CHA FAN PWR
CHA FAN IN
+5V
CHA_FAN1
GND
CHA FAN PWR
CHA FAN IN
+5V
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CS-B Fan connectors
CS-B
SATA6G_1
GND
RSATA_RXP1
RSATA_RXN1
GND
RSATA_TXN1
RSATA_TXP1
GND
SATA6G_2
GND
RSATA_RXP2
RSATA_RXN2
GND
RSATA_TXN2
RSATA_TXP2
GND
CS-B SATA 6.0Gb/s connectors
GND
RSATA_TXP3
RSATA_TXN3
GND
RSATA_RXN3
RSATA_RXP3
GND
SATA6G_3
SATA6G_5
GND
RSATA_TXP5
RSATA_TXN5
GND
RSATA_RXN5
RSATA_RXP5
GND
SATA6G_4
GND
RSATA_TXP4
RSATA_TXN4
GND
RSATA_RXN4
RSATA_RXP4
GND
CS-B