14
Overview of Components
⚠
Important
You can adjust fan speed in
BIOS > Hardware Monitor.
CPU_FAN1, SYS_FAN1: Fan Connectors
PWM Mode fan connectors provide constant 12V output and adjust fan speed with
speed control signal. 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.
1
PWM Mode pin definition
1
Ground
2
+12V
3
Sense
4 Speed Control Signal
Connector
Default fan
mode
Max. current
Max.
power
CPU_FAN1
PWM mode
1A
12W
SYS_FAN1
PWM mode
1A
12W
1
DC Mode pin definition
1
Ground
2 Voltage Control
3
Sense
4
NC
1
2
12
11
1
SPI Power
2
SPI Chip Select
3
Master In Slave Out (SPI
Data)
4
Master In Slave In (SPI
Data)
5
Reserved
6
SPI Clock
7
Ground
8
SPI Reset
9
Reserved
10
No Pin
11
Reserved
12
Interrupt Request
JTPM1: TPM Module Connector
This connector is for TPM (Trusted Platform Module). Please refer to the TPM
security platform manual for more details and usages.
