User`s manual

2-21
Hardware Setup
GMCH Voltage Jumper: J3
This jumper is used to adjust the voltage of the Intel 915GM GMCH (Graphics and
Memory Controller Hub) as a way to enhance graphics performance.
J3
1
} 1.05V for add-on VGA card
} 1.05V for onboard Intel 915GM
GMCH (lower performance)
1
Short Pin #1-2
(1.05V)
1
Short Pin #2-3
(Auto Detect)
} 1.05V for add-on VGA card
} 1.5V for onboard Intel 915GM
GMCH (higher performance)
CPU VCCA Jumper: J6
This jumper controls the CPU VCCA supply voltage.
J6
1
1
3
VCCA = 1.5VVCCA = 1.8V
1
3