![](/images/backgrounds/166676/166676-12078x1.png)
9.CPU and chassis fan connectors (3-pin CPU_FAN, CHA_FAN)
(22-pin IOC_MB)
The fan connectors support the proprietary CPU fan and chassis fan. Connect the fan cable to the connector matching the black wire to the ground pin.
CHA_FAN CPU_FAN
GND | Rotation |
+12V | +12V |
Rotation | GND |
®P4R8T
P4R8T
Do not forget to connect the fan cables to the fan connectors. Insufficient air flow within the system can damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors!
10.I/O extension moduleThis connector is for the CGAEX extension module. The CGAEX extension module supports the rear panel GAME/MIDI and serial ports.
COM1GAME
®
CGAEX
IOC_DC
®P4R8T
P4R8T IOC_MB Connector
78 | Chapter 4: Motherboard info |