Fan Headers
The C2SBM-Q has three chassis fan head-
ers (Fan 1 to Fan 3). Fan 1 is the CPU Fan.
Fan 2 to Fan 3 are system/chassis fans.
Note: Pins 1-3 of a 4-pin fan headers
are backward compatible with the tradi-
tional 3-pin fans.) See the table on the
right for pin definitions. *The onboard
fan speeds are controlled by Thermal
Management via BIOS Hardware
Monitoring in the Advanced Setting.
(Default: Disabled. When using Ther-
mal Management settings, please use
all 3-pin fans or all 4-pin fans on the
motherboard.)
A. Fan 1 (CPU Fan)
B.
Fan 2
C.
Fan 3
Fan Header
Pin Definitions (Fan1-3)
Pin# Definition
1 Ground
2 +12V
3 Tachometer
4 PWR Modulation
VGA Connector
A VGA connector (JG1) is located next to
the USB ports on the IO backplane. Refer
to the board layout below for the location.
A
B
C