Asus P3B-F Computer Hardware User Manual


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18 ASUS P3B-F User’s Manual
3. HARDWARE SETUP
Motherboard Settings
3. H/W SETUP
2) CPU External Frequency Selection (DSW-Switches 7-10)
This option tells the clock generator what frequency to send to the CPU, DRAM, and
the PCI bus. This allows the selection of the CPU’s External frequency (or BUS Clock).
The BUS Clock multiplied by the Frequency Multiple equals the CPU’s Internal fre-
quency (the advertised CPU speed).
NOTE: In JumperFree mode, all dip switches (DSW) must be set to OFF.
R
P3B-F
P3B-F CPU External
Frequency Selection
CPU/DRAM
PCI BUS
→
→
CPU/DRAM
PCI BUS
→
→
CPU/DRAM
PCI BUS
→
→
CPU/DRAM
PCI BUS
→
→
CPU/DRAM
PCI BUS
→
→
CPU/DRAM
PCI BUS
→
→
100.0MHz
33.4MHz
ON
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133.0MHz
44.3MHz
ON
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112.0MHz
37.3MHz
ON
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103.0MHz
34.3MHz
ON
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66.0MHz
33.4MHz
ON
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83.0MHz
41.6MHz
ON
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75.0MHz
37.5MHz
ON
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133.0MHz
33.3MHz
ON
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124.0MHz
41.3MHz
ON
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124.0MHz
31.0MHz
ON
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150.0MHz
37.5MHz
ON
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140.0MHz
35.0MHz
ON
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105.0MHz
35.0MHz
ON
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110.0MHz
36.7MHz
ON
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115.0MHz
38.3MHz
ON
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120.0MHz
40.0MHz
ON
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NOTE: Overclocking your processor is not recommended. It may result in a slower
speed. Voltage Regulator Output Selection (VID) is not needed for the Pentium III /
II / Celeron processor because it sends VID signals directly to the onboard power
controller.
WARNING! Frequencies above 100MHz exceed the specifications for the
onboard Intel Chipset and are not guaranteed to be stable.
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