Asus P2B-N P2B-N User Manual - Page 20

ASUS P2B-N User's Manual, CPU Bus Frequency Selector FS0, FS1, FS2, CPU Core:Bus Frequency Multiple

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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP 5) CPU Bus Frequency Selector (FS0, FS1, FS2) This option tells the clock generator what frequency to send to the CPU, DRAM, and AGPset. This allows the selection of the CPU's External frequency (or BUS Clock). The Bus Clock multiplied by the Bus Multiple equals the CPU's Internal frequency (the advertised CPU speed). FS0 → FS1 → FS2 → 321 321 321 321 CPU → 66.8MHZ 75.0MHZ 83.3MHZ 100.2MHZ PCI → 33.1MHZ 37.5MHZ 41.7MHZ 33.3MHZ FS0 → FS1 → FS2 → 321 321 321 CPU → 103.0MHZ 112.0MHZ 133.0MHZ PCI → 33.4MHZ 37.3MHZ 33.3MHZ P2B-N CPU Bus Frequency Setting R ® 6) CPU Core:Bus Frequency Multiple (BF0, BF1, BF2, BF3) This option sets the frequency multiple between the Internal frequency of the CPU and the CPU's External frequency. These must be set in conjunction with the CPU Bus Frequency. BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 BF3 3 2 1 2.0x(2/1) 2.5x(5/2) 3.0x(3/1) 3.5x(7/2) 4.0x(4/1) BF2 BF1 BF0 BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 3 2 1 4.5x(9/2) 5.0x(5/1) 5.5x(11/2) 6.0x(6/1) 6.5x(13/2) BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 BF3 BF2 BF1 BF0 3 2 1 7.0x(7/1) 7.5x(15/2) 8.0x(8/1) P2B-N CPU Core:Bus Frequency Multiple Selection 20 ASUS P2B-N User's Manual

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20
ASUS P2B-N User’s Manual
Motherboard Settings
3. H/W SETUP
3. HARDWARE SETUP
5)
CPU Bus Frequency Selector (FS0, FS1, FS2)
This option tells the clock generator what frequency to send to the CPU, DRAM, and
AGPset. This allows the selection of the CPU’s
External
frequency (or
BUS Clock
).
The Bus Clock multiplied by the Bus Multiple equals the CPU’s
Internal
frequency
(the advertised CPU speed).
P2B-N CPU Bus Frequency Setting
32
1
66.8MHZ
33.1MHZ
32
1
75.0MHZ
37.5MHZ
32
1
83.3MHZ
41.7MHZ
32
1
100.2MHZ
33.3MHZ
32
1
112.0MHZ
37.3MHZ
32
1
103.0MHZ
33.4MHZ
32
1
133.0MHZ
33.3MHZ
PCI
CPU
→
→
→
→
→
FS1
FS2
FS0
PCI
CPU
→
→
→
→
→
FS1
FS2
FS0
6)
CPU Core:Bus Frequency Multiple (BF0, BF1, BF2, BF3)
This option sets the frequency multiple between the
Internal
frequency of the
CPU and the CPU’s
External
frequency. These must be set in conjunction with the
CPU Bus Frequency.
P2B-N CPU Core:Bus Frequency Multiple Selection
2.5x(5/2)
4.5x(9/2)
2.0x(2/1)
3
2
1
BF1
BF2
BF0
BF3
BF1
BF2
BF0
BF3
BF1
BF2
BF0
BF3
3
2
1
3.5x(7/2)
3.0x(3/1)
BF1
BF2
BF0
BF3
BF1
BF2
BF0
BF3
5.0x(5/1)
BF1
BF2
BF0
BF3
5.5x(11/2)
BF1
BF2
BF0
BF3
3
2
1
7.0x(7/1)
BF1
BF2
BF0
BF3
7.5x(15/2)
BF1
BF2
BF0
BF3
4.0x(4/1)
BF1
BF2
BF0
BF3
6.0x(6/1)
BF1
BF2
BF0
BF3
6.5x(13/2)
BF1
BF2
BF0
BF3
8.0x(8/1)
BF1
BF2
BF0
BF3