System Fan Connector; Cpu Fan Connector - Protech Systems BM-2503 Series User Manual

3.4.13

System Fan Connector

Connector Location: SYS_FAN1
Description: System Fan Connector
System Fan Connector signals:
PIN ASSIGNMENT
1 GND
2 +12V
3 NC
3.4.14

CPU Fan Connector

Connector Location: CPU_FAN1
Description: CPU Fan Connector
CPU Fan Connector signals:
PIN ASSIGNMENT
1 GND
2 +12V
3 TAC
4 CTL
Notes:
1. CPU Fan speed mode can be set by BIOS.
2. Default BIOS setting is "Auto Duty-Cycle Mode". Please see Chapter 5 for
more details.
BM-2503 SERIES USER MANUAL
Chapter 3 Hardware Configuration
SYS_FAN1
CPU_FAN1
Page: 3-24