Asus RS120-E5/S - Manual (Page 60)

Chapter 4: Motherboard information 4-10
5. System and device fan connectors (3-pin CPU_FAN1/2/3/4;
CHASSIS_FAN1)
The fan connectors support the system and device fans.
These are not jumpers! DO NOT place jumper caps on the fan connectors!
4. Hard disk activity LED connector (4-pin HDLED1)
For some storage cards, such as SCSI card, with access signals for external
LEDs, this connector allows the access signals to go through the front panel
IDE_LED lead.
P5BV-R
®
PIN 1
ADD_IN_CARD_ACT#
+5V
ADD_IN_CARD_ACT#
+5V
P5BV-R Hard disk activity LED connector
HDLED1
P5BV-R
®
P5BV-R Fan connectors
CPU_FAN4
GND CPU F
AN PWR
CPU F
AN IN
CPU F
AN PWM
CPU_FAN3
GND CPU F
AN PWR
CPU F
AN IN
CPU F
AN PWM
CPU_FAN2
GND CPU F
AN PWR
CPU F
AN IN
CPU F
AN PWM
CHASS_FAN1
GND CPU F
AN PWR
CPU F
AN IN
CPU F
AN PWM
CPU_FAN1
GND CPU F
AN PWR
CPU F
AN IN
CPU F
AN PWM
CHASS_FAN1
CPU_FAN2
CPU_FAN1
CPU_FAN3
CPU_FAN4