Asus P/I-P55SP3AV - Manual (Page 65)

P/I-P55SP3AV User's Manual
Voltage Regulator Output Selector: JP19 & JP21
Set these jumpers according to the voltage type of the installed CPU.
JP19 JP21
STP/VR Open Short
VRE Short Open
IMPORTANT: You must set these jumpers correctly for the CPU's voltage type or
your system will operate improperly. An incorrect setting can damage the CPU.
O
O
"O
ro
"D
CO
3.3V+5%
STD/VR
o
o
"O
ro
"O
CD
3.45V-3.6V
VRE
4-4