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2.3 CPU Installation
T he mainboard supports Pentium class processors up to 233 MHz, If you install
the CPU on this board, you must set the
System Clock
(JP2, JP3, JP4),
Frequency Ratio
(JP8, JP9) and
CPU Power Voltage
(JP6, JP12) to meet
variable CPU specifications.
(JP10, for Feature Function, default is open)
JP10
JP8
JP9
JP6
JP12
1
2
6
5
1
2
3.5v
2.8v
3.4v
2.9v
3.2v
2.1v
JP2
JP3
JP4
CPU
2.3.1. CPU Speed Configuration:
Freq ratio
JP8, JP9,
System freq (MHz) JP2,JP3,JP4
1.5
60
2
66
2.5
75
3
83**
3.5
*
CPU Speed = (Frequency ratio) x (System Frequency).
**
PCI has a maximum bandwidth of 33MHz --- one half of the 66 MHz
System Frequency. The 83MHz System Frequency are not supported by
the current PCI Rev.2.1 Specification.
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