MSI Codex R 12th Manuale - Pagina 21
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CPU_FAN1, PUMP_FAN1, SYS_FAN1~2: 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.
Connector
CPU_FAN1
PUMP_FAN1
SYS_FAN1~2
1
1
Ground
3
Sense
⚠
Important
You can adjust fan speed in BIOS > HARDWARE MONITOR.
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.
2
1
20
Overview of Components
Default fan mode
PWM mode
PWM mode
DC mode
PWM Mode pin definition
2
+12V
4
Speed Control Signal
1
Master In Slave Out
3
12
5
7
11
9
11
Max. current
1
1
3
SPI Power
(SPI Data)
Reserved
Ground
Reserved
Reserved
Max. power
2A
3A
1A
DC Mode pin definition
Ground
2
Voltage Control
Sense
4
2
SPI Chip Select
Master Out Slave In
4
(SPI Data)
6
SPI Clock
8
SPI Reset
10
No Pin
12
Interrupt Request
24W
36W
12W
NC