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MS-5156
CPU Speed Setting: SW1
To adjust the speed and voltage of the CPU, you must know the specifications
of your CPU (always ask the vendor for CPU specifications). Then
refer to the following tables for proper setting.
1. CPU Voltage Setting: JV2-JV5
ON = SHORT, OFF = OPEN
|
V I/O
|
Vcore
|
JV2-JV5
|
|
2
|
3
|
4
|
5
|
|
3.5
|
3.5
|
SHORT
|
SHORT
|
SHORT
|
SHORT
|
|
3.3
|
3.3
|
SHORT
|
OPEN
|
SHORT
|
SHORT
|
|
3.3
|
3.2
|
OPEN
|
OPEN
|
SHORT
|
SHORT
|
|
3.3
|
2.9
|
SHORT
|
OPEN
|
OPEN
|
SHORT
|
|
3.3
|
2.8
|
OPEN
|
OPEN
|
OPEN
|
SHORT
|
|
3.3
|
2.7
|
SHORT
|
SHORT
|
SHORT
|
OPEN
|
|
3.3
|
2.6
|
OPEN
|
SHORT
|
SHORT
|
OPEN
|
|
3.3
|
2.5
|
SHORT
|
OPEN
|
SHORT
|
OPEN
|
|
3.3
|
2.4
|
OPEN
|
OPEN
|
SHORT
|
OPEN
|
|
3.3
|
2.3
|
SHORT
|
SHORT
|
OPEN
|
OPEN
|
|
3.3
|
2.2
|
OPEN
|
SHORT
|
OPEN
|
OPEN
|
|
3.3
|
2.1
|
SHORT
|
OPEN
|
OPEN
|
OPEN
|
2. Intel Processors: Intel Processors
Intel Pentium Processor with MMX Technology
|
CPU Type
|
CPU Voltage
|
CPU Speed
|
|
V I/O
|
Vcore
|
JV2-JV5
|
SW1
|
|
2
|
3
|
4
|
5
|
1
|
2
|
3
|
4
|
5
|
6
|
| 90MHz |
3.38
|
SHORT |
OPEN
|
SHORT
|
SHORT
|
OFF
|
OFF
|
OFF
|
ON
|
OFF
|
OFF
|
|
3.52
|
SHORT |
SHORT
|
SHORT
|
SHORT
|
| 100MHz |
3.38
|
SHORT |
OPEN
|
SHORT
|
SHORT
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
| 120MHz |
3.38
|
ON
|
OFF
|
OFF
|
ON
|
OFF
|
OFF
|
| 133MHz |
3.52
|
SHORT |
SHORT
|
SHORT
|
SHORT
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
| 150MHz |
3.52
|
ON
|
ON
|
OFF
|
ON
|
OFF
|
OFF
|
| 166MHz |
3.52
|
ON
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
| 200MHz |
3.52
|
OFF
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
Intel Pentium Processors with MMX technology
| 166MHz |
3.3 |
2.8 |
OPEN |
OPEN |
OPEN |
SHORT |
ON
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
| 200MHz |
OFF
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
| 233MHz |
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
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BACK TO TOP
6. Cyrix Processors: Cyrix 6x86 processor
uses PR to rate the speed of their processors based on Intel Pentium
processor core speed. For example PR150 (120MHz)has 150Mhz core speed
of Intel Pentium processor but has 120MHz core speed in Cyrix. Cyrix
6x86 processor should always use a more powerful fan (ask vendor for
proper cooling fan).
Cyrix 6x86/6x86L Processors:
|
CPU Type
|
CPU Voltage
|
CPU Speed
|
|
VI/O
|
Vcore
|
JV2-JV5
|
SW1
|
|
2
|
3
|
4
|
5
|
1
|
2
|
3
|
4
|
5
|
6
|
6x86
PR133 |
3.3
|
SHORT |
OPEN
|
SHORT
|
SHORT
|
ON
|
OFF
|
OFF
|
ON
|
ON
|
OFF
|
6X86
PR150 |
3.52
|
SHORT
|
SHORT
|
SHORT
|
SHORT
|
ON
|
OFF
|
OFF
|
ON
|
OFF
|
OFF
|
6x86
PR166 |
3.3
|
SHORT
|
OPEN
|
SHORT
|
SHORT
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
6x86L
PR166 |
3.5
|
2.8
|
OPEN
|
OPEN
|
OPEN
|
SHORT
|
Cyrix 6x86MX Processors
| PR166 (60x2.5) |
2.9
|
SHORT
|
OPEN
|
OPEN
|
SHORT
|
ON
|
ON
|
OFF
|
ON
|
OFF
|
OFF
|
| PR166 (66x2) |
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
PR200
(66x2.5) |
ON
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
PR200
(75x2) |
ON
|
OFF
|
OFF
|
OFF
|
ON
|
OFF
|
PR233
(66x3) |
OFF
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
PR233
(75x2.5)
|
ON
|
ON
|
OFF
|
OFF
|
ON
|
OFF
|
| PR266 (66x3.5) |
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
| PR266 (75x3) |
OFF
|
ON
|
OFF
|
OFF
|
ON
|
OFF
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BACK TO TOP
7. AMD Processor: AMD K5 processor uses
PR to rate the speed of their processors based on Intel Pentium processor
core speed. For example PR133 (100MHz) has 133 MHz core speed of Intel
Pentium processor but has 100MHz core speed in AMD K5 processor.
AMD K5 Processors:
|
CPU Type
|
CPU Voltage
|
CPU Speed
|
|
V I/O
|
Vcore
|
JV2-JV5
|
SW1
|
|
2
|
3
|
4
|
5
|
1
|
2
|
3
|
4
|
5
|
6
|
| PR90 |
3.52
|
SHORT |
SHORT
|
SHORT
|
SHORT
|
OFF
|
OFF
|
OFF
|
ON
|
OFF
|
OFF
|
| PR100 |
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
| PR120 |
ON
|
OFF
|
OFF
|
ON
|
OFF
|
OFF
|
| PR133 |
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
| PR150 |
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
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| PR166 |
ON
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
AMD K6 Processors:
PR166
|
3.3
|
2.9
|
SHORT
|
OPEN
|
OPEN
|
SHORT
|
ON
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
| PR200 |
OFF
|
ON
|
OFF
|
OFF
|
OFF
|
OFF
|
| PR233 |
3.3
|
3.2
|
OPEN
|
OPEN
|
SHORT
|
SHORT
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
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