Asus P2B-DS P2B-DS User Manual - Page 14

ASUS P2B-D/P2B-DS User's Manual, CPU Bus Frequency, FS0, FS1, FS2, CPU Core:BUS Frequency Multiple,

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III. INST ALLATION Motherboard Settings III. INSTALLATION 3. CPU Bus Frequency (FS0, FS1, FS2) This option tells the clock generator what frequency to send to the CPU, DRAM, and 440BX AGPset. This allows the selection of the CPU's External frequency (or BUS Clock). The Bus Clock multiplied by the Bus Mult. equals the CPU's Internal frequency (the advertised CPU speed). 123 123 123 123 FS0 FS0 FS0 FS0 FS1 FS1 FS1 FS1 FS2 FS2 FS2 FS2 50MHz 66MHz 75MHz 83MHz 123 123 123 FS0 FS0 FS0 FS1 FS1 FS1 FS2 FS2 FS2 100MHz 103MHz 112MHz 1 R 1 P2B-D/DS CPU Bus Frequency 4. 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. 123 123 123 123 123 BF3 BF3 BF3 BF3 BF3 BF2 BF2 BF2 BF2 BF2 BF1 BF1 BF1 BF1 BF1 BF0 BF0 BF0 BF0 BF0 2.0x (2/1) 2.5x (5/2) 3.0x (3/1) 3.5x (7/2) 4.0x (4/1) 1 R 1 123 123 123 123 123 BF3 BF3 BF3 BF3 BF3 BF2 BF2 BF2 BF2 BF2 BF1 BF1 BF1 BF1 BF1 BF0 BF0 BF0 BF0 BF0 4.5x (9/2) 5.0x (5/1) 5.5x (11/2) 6.0x (6/1) 6.5x (13/2) 123 123 123 BF3 BF3 BF3 BF2 BF2 BF2 BF1 BF1 BF1 BF0 BF0 BF0 7.0x (7/1) 7.5x (15/2) 8.0x (8/1) P2B-D/DS CPU Core-to-Bus Frequency Multiple WARNING! Frequencies above 100MHz exceed the specifications for the onboard Intel Chipset and are not guaranteed to be stable. 14 ASUS P2B-D/P2B-DS User's Manual

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14
ASUS P2B-D/P2B-DS User’s Manual
III. INSTALLATION
Motherboard Settings
III.
INST ALLATION
3.
CPU Bus Frequency
(FS0, FS1, FS2)
This option tells the clock generator what frequency to send to the CPU, DRAM, and
440BX AGPset. This allows the selection of the CPU’s
External
frequency (or
BUS
Clock
).
The Bus Clock multiplied by the Bus Mult. equals the CPU’s
Internal
fre-
quency (the advertised CPU speed).
P2B-D/DS CPU Bus Frequency
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
112MHz
1
2
3
103MHz
FS1
FS2
FS0
50MHz
1
2
3
FS1
FS2
FS0
66MHz
1
2
3
FS1
FS2
FS0
1
2
3
FS1
FS2
FS0
1
2
3
75MHz
83MHz
FS1
FS2
FS0
1
2
3
100MHz
4.
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.
P2B-D/DS CPU Core-to-Bus Frequency Multiple
1
2
3
5.0x (5/1)
BF2
BF1
BF3
BF0
1
2
3
4.0x (4/1)
BF2
BF1
BF3
BF0
1
2
3
4.5x (9/2)
BF2
BF1
BF3
BF0
BF2
BF1
BF3
BF0
1
2
3
2.0x (2/1)
BF2
BF1
BF3
BF0
1
2
3
2.5x (5/2)
BF2
BF1
BF3
BF0
1
2
3
3.0x (3/1)
BF2
BF1
BF3
BF0
1
2
3
3.5x (7/2)
1
2
3
5.5x (11/2)
BF2
BF1
BF3
BF0
1
2
3
6.0x (6/1)
BF2
BF1
BF3
BF0
1
2
3
6.5x (13/2)
BF2
BF1
BF3
BF0
1
2
3
8.0x (8/1)
BF2
BF1
BF3
BF0
1
2
3
7.5x (15/2)
BF2
BF1
BF3
BF0
1
2
3
7.0x (7/1)
BF2
BF1
BF3
BF0
WARNING!
Frequencies above 100MHz exceed the specifications for the on-
board Intel Chipset and are not guaranteed to be stable.