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ASUS P/I-P55T2P4 User's Manual 9
III. INSTALLATION
(Jumpers)
III. INSTALLATION
5-6. Single/Dual Power Plane CPU Voltage Regulator Selections
The following jumpers set the voltage supplied to the CPU. Determine whether
your CPU has a Single Power Plane or Dual Power Planes and then the volt-
age that it uses. When a single power plane CPU is installed, the dual power
plane selections will be automatically disabled. When a dual power plane CPU
is installed, the single power plane selections will be automatically disabled.
You may have one jumper on the Single Power Plane and another on the Dual
Power Planes at the same time.
WARNING: Incorrect setting can damage your CPU. If you are not
exactly clear on CPU jumper settings, check with your retailer.
5. Single Power Plane CPU Voltage Regulator Selection (JP17)
These jumpers set the voltage supplied to single power plane CPU's.
CPU Manufacturer CPU Type Voltage JP17
Intel/AMD P54C/CS/K5 STD (3.4 Volts) [1-2] (Default)
Intel/AMD/IBM/Cyrix P54C/CS/K5/6x86 VRE (3.5 Volts) [2-3]
Voltage Regulator Output Selection (STD / VRE)
P54C/CS/K5
(STD 3.4V) (Default)
1
JP17
23
P54C/CS/K5/6x86
(VRE 3.5 Volts)
JP17
123
6. Dual Power Plane CPU Voltage Regulator Selection (JP20)
These jumpers set the voltage supplied to dual power plane CPU's.
CPU Manufacturer CPU Type Voltage JP20
AMD K6-PR233 3.2 Volts [9-10]
AMD K6-PR166,200 2.9 Volts [7-8]
Intel/IBM/Cyrix P55C/6x86MX 2.8 Volts [5-6] (Default)
(Reserved) (Reserved) 2.7 Volts [3-4]
(Reserved) (Reserved) 2.5 Volts [1-2]
CPU Vcore Voltage Selection
K6-PR233
(3.2 Volts)
[9-10]
JP20
K6-PR166,200
(2.9 Volts)
[7-8]
JP20
P55C/6x86MX
(2.8V) (Default)
[5-6]
JP20