Asus T2-R - Manual (Page 78)

78 Chapter 4: Motherboard info
P4R8T ®
P4R8T IOC_MB Connector
®
CGAEX
COM1 GAME
IOC_DC
10. I/O extension module (22-pin IOC_MB)
This connector is for the CGAEX extension module. The CGAEX
extension module supports the rear panel GAME/MIDI and serial
ports.
9. CPU and chassis fan connectors (3-pin CPU_FAN, CHA_FAN)
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.
Do not forget to connect the fan cables to the fan connectors. Lack of
sufficient air flow within the system may damage the motherboard
components. These are not jumpers! DO NOT place jumper caps on
the fan connectors!
P4R8T ®
P4R8T 12-Volt Cooling Fan Power
CHA_FAN
GND
Rotation
+12V
GND
Rotation
+12V
CPU_FAN