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20 ASUS P4T User’s Manual
3. HARDWARE SETUP
3) CPU External Frequency Setting (SW1)
This option tells the clock generator what frequency to send to the CPU, DRAM,
AGP, and the PCI bus. This allows the selection of the CPU’s External fre-
quency.
IMPORTANT:
1. In JumperFree mode, all dip switches must be set to OFF.
2. When JumperFree mode is enabled, use BIOS setup in place of these switches
(see CPU Speed in Advanced Menu in BIOS Setup).
NOTE: Only selected switches are illustrated. For a complete frequency listing,
see next page.
P4T
®
P4T CPU
External Frequency Selection
CPU/DRAM
PCI BUS
→
→
CPU/DRAM
PCI BUS
→
→
CPU/DRAM
PCI BUS
→
→
122.0MHz
40.7MHz
112.0MHz
37.3MHz
115.0MHz
38.3MHz
108.0MHz
36.0MHz
120.0MHz
40.0MHz
118.0MHz
39.3MHz
130.0MHz
43.3.0MHz
110.0MHz
36.7MHz
133.0MHz
44.3MHz
CPU/DRAM
PCI BUS
→
→
100.0MHz
33.3MHz
ON
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ON
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103.0MHz
34.3MHz
ON
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105.0MHz
35.0MHz
ON
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ON
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ON
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125.0MHz
41.7MHz
128.0MHz
42.7MHz
SW1
Motherboard Settings
3. H/W SETUP