Asus P2-99B User Manual download pdf (Page 16)

16 ASUS P2-99B User’s Manual

III. HARDWARE SETUP

Motherboard Settings

III. H/W SETUP

4. CPU External Frequency Selection (FS0, FS1, FS2, FS3)

This option tells the clock generator what frequency to send to the CPU, DRAM, and

440ZX AGPset. This allows the selection of the CPU’s External frequency. The CPU

External Frequency multiplied by the Frequency Multiple equals the CPU’s Internal

frequency (the advertised CPU speed).

P2-99B CPU

External Frequency Selection

P2-99B

103.00MHz

34.33MHz

123

100.30MHz

33.43MHz

123

83.30MHz

41.65MHz

123

75.0MHz

37.5MHz

123

66.8MHz

33.4MHz

123

150.0MHz

37.5MHz

123

140.0MHz

35.0MHz

123

133.00MHz

44.33MHz

123

133.0MHz

33.3MHz

123

124.0MHz

31.0MHz

123

120.0MHz

40.0MHz

123

115.00MHz

38.33MHz

123

CPU

PCI

FS0

FS1

FS2

FS3

110.00MHz

36.67MHz

123

112.00MHz

37.33MHz

123

105.0MHz

35.0MHz

123

CPU

PCI

FS0

FS1

FS2

FS3

CPU

PCI

FS0

FS1

FS2

FS3

5. CPU Core:External 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 External Frequency.

P2-99B CPU Core-to-Bus Frequency Multiple Settings

P2-99B

BF1

BF2

BF0

BF3

2.0x(2/1)

2.5x(75/2) 3.0x(3/1) 3.5x(7/2)

BF1

BF2

BF0

BF3

BF1

BF2

BF0

BF3

BF1

BF2

BF0

BF3

4.0x(4/1)

BF1

BF2

BF0

BF3

6.5x(13/2)

BF1

BF2

BF0

BF3

6.0x(6/1)

BF1

BF2

BF0

BF3

5.5x(11/2)

BF1

BF2

BF0

BF3

5.0x(5/1)

BF1

BF2

BF0

BF3

4.5x(9/2)

BF1

BF2

BF0

BF3

7.0x(7/1)

BF1

BF2

BF0

BF3

7.5x(15/2)

BF1

BF2

BF0

BF3

8.0x(8/1)

BF1

BF2

BF0

BF3

WARNING! Frequencies above 100MHz exceed the specifications for the on-

board Intel Chipset and are not guaranteed to be stable.

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