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14 ASUS P2V User’s Manual
III. INSTALLATION
Jumpers
III. INST ALLATION
BF2
BF1
BF3
CPU Core:BUS Frequency Multiple
P2V CPU Settings
R
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
2.0x (2/1)
2.5x (5/2) 3.0X (3/1) 3.5X (7/2) 4.0X (4/1) 4.5X (9/2) 5.0X (5/1)
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
5.5x (11/2)
6.0x (6/1) 6.5X (13/2) 7.0X (7/1) 7.5X (15/2) 8.0X (8/1)
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
FS1
FS2
FS0
FS1
FS2
FS0
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
103MHz
34.3MHz
CPU External Clock (BUS) Frequency Selection
66.8MHz
33.4MHz
75MHz
37.5MHz
83.3MHz
41.65MHz
100.3MHz
33.43MHz
105MHz
35MHz
FS3
FS3
FS3
1
2
3
1
2
3
FS3
FS3
FS3
FS1
FS2
FS0
FS1
FS2
FS0
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
133MHz
33.3MHz
115MHz
38.33MHz
120MHz
40MHz
124MHz
31MHz
124MHz
41.33MHz
133MHz
44.33MHz
FS3
FS3
FS3
1
2
3
1
2
3
FS3
FS3
FS3
CPU
PCI
FS1
FS2
FS0
FS1
FS2
FS0
110MHz
36.67MHz
112MHz
37.33MHz
FS3
FS3
1
2
3
CPU
PCI
1
2
3
1
2
3
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
140MHz
35MHz
150MHz
37.5MHz
FS3
FS3
4. CPU Bus Frequency (FS0, FS1, FS2, FS3)
This option tells the clock generator what frequency to send to the CPU, DRAM, and
chipset. This allows the selection of the CPU’s External frequency (or BUS Clock). The
BUS Clock multiplied by the BUS Ratio equals the CPU’s Internal frequency (the ad-
vertised CPU speed).
5. CPU Core:BUS Frequency Multiple (BF0, BF1, BF2, BF3)
This option sets the frequency ratio between the Internal frequency of the CPU
and the CPU’s External frequency. These must be set in conjunction with the CPU
Bus Frequency.
WARNING! Frequencies above 100MHz exceed the specifications for the onboard
chipset and are not guaranteed to be stable.