Asus P8H61 PRO - Manual (Page 38)

1-26 Chapter 1: Product introduction
5. CPU and chassis fan connectors
(4-pin CPU_FAN, 4-pin CHA_FAN1, 4-pin CHA_FAN2)
Connect the fan cables to the fan connectors on the motherboard, making sure that the
black wire of each cable matches the ground pin of the connector.
DO NOT forget to connect the fan cables to the fan connectors. Insufficient air flow inside
the system may damage the motherboard components. They are not jumpers! DO NOT
place jumper caps on the fan connectors.
CPU_FAN
CPU F
AN PWM
CPU
FA
N IN
CPU
FA
N PW
R
GND
CPU
FA
N PW
M
CPU
FA
N IN
CPU F
AN PWR
GND
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
P8H61 PRO
P8H61 PRO Fan connectors
CHA_FAN1
CHA_FAN2
• The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.
1. Turbo Key II switch
This switch allows you to enable or disable the Turbo Key II function.
P8H61 PRO
P8H61 PRO Turbo Key II switch
1.11 Onboard switches
Onboard switches allow you to fine-tune performance when working on a bare or open-case
system. This is ideal for overclockers and gamers who continually change settings to
enhance system performance.