32
Overview of Components
CPU_FAN1, PUMP_FAN1, SYS_FAN1~4: Fan Connectors
Fan connectors can be classified as PWM (Pulse Width Modulation) Mode or DC Mode.
PWM Mode fan connectors provide constant 12V output and adjust fan speed with
speed control signal. DC Mode fan connectors control fan speed by changing voltage.
When you plug a 3-pin (Non-PWM) fan to a fan connector in PWM mode, the fan speed
will always maintain at 100%, which might create a lot of noise. You can follow the
instruction below to adjust the fan connector to PWM or DC Mode.
PWM Mode pin definition
1 Ground 2 +12V
3 Sense 4 Speed Control Signal
DC Mode pin definition
1 Ground 2 Voltage Control
3 Sense 4 NC
Important
y
You can switch between PWM mode and DC mode and adjust fan speed in BIOS >
HARDWARE MONITOR.
y
Make sure fans are working properly after switching the PWM/ DC mode.
Pin definition of fan connectors
1
1
CPU_FAN1/ PUMP _FAN1
SYS_FAN1~4
Auto-detection Mode fan connectors
VRAID1: Virtual RAID on CPU Connector
This connector allows you to connect the VROC (Virtual RAID on CPU) key module. You
need to enable the VROC function with Intel
®
RSTe (Intel
®
Rapid Storage Technology
enterprise) driver.
1
1 GND 2 VCC3
3 GND 4 SATA_RAID_KEY
Important
The VROC key module is purchased separately.
To Next Page
Loading...
