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C-1
Appendix C
Jumper Table Summary
Selecting the CPU Frequency
With the help of Pentium II VID signal and SMbus, this motherboard is jumper-
less design.
less design.
The CPU frequency selection is set by going into:
BOIS Setup à Chipset Features Setup à CPU Clock Frequency
(The possible setting is 66, 68.5, 75, 83.3, 100, 103, 112 and 133.3 MHz)
(The possible setting is 66, 68.5, 75, 83.3, 100, 103, 112 and 133.3 MHz)
BOIS Setup à Chipset Features Setup à CPU Clock Ratio
(The possible setting is 1.5x, 2x, 2.5x, 3x, 3.5x, 4x, 4.5x, 5x, 5.5x, 6x, 6.5x, 7x,
7.5x, and 8x)
(The possible setting is 1.5x, 2x, 2.5x, 3x, 3.5x, 4x, 4.5x, 5x, 5.5x, 6x, 6.5x, 7x,
7.5x, and 8x)
INTEL Pentium II
CPU Core Frequency
Ratio
External Bus Clock
Pentium II - 233
233MHz =
3.5x
66MHz
Pentium II - 266
266MHz =
4x
66MHz
Pentium II - 300
300MHz =
4.5x
66MHz
Pentium II - 333
333MHz =
5x
66MHz
Pentium II - 350
350MHz=
3.5x
100MHz
Pentium II - 400
400MHz=
4x
100MHz
Pentium II - 450
450MHz=
4.5x
100MHz
Celeron 266
266MHz=
4x
66MHz
Celeron 300
300MHz
4.5x
66MHz
Celeron 300A
300MHz
4.5x
66MHz
Celeron 333
333MHz
5x
66MHz
Warning: INTEL 440BX chipset supports maximum
100MHz external CPU bus clock, the 103, 112 and
133.3MHz are for internal test only. These settings
exceed the specification of BX chipset, which may
cause serious system damage.
100MHz external CPU bus clock, the 103, 112 and
133.3MHz are for internal test only. These settings
exceed the specification of BX chipset, which may
cause serious system damage.