Asus PCI-L101 User Manual download pdf (Page 18)

18 ASUS P3V133 User’s Manual

3. HARDWARE SETUP

Motherboard Settings

3. H/W SETUP

5. CPU:PCI Bus Frequency Multiple Selection (MS0, MS1)

This option sets the frequency ratio between the CPU bus frequency and the PCI

bus frequency. The default sets the CPU bus frequency to be twice of the PCI

bus frequency.

P3V133 CPU:PCI Frequency Multiple Selection

123

MS0

MS1

MS0

MS1

CPU Bus Frequency

=PCI Bus Frequency X2

(Default)

CPU Bus Frequency

=PCI Bus Frequency X4

123

MS0

MS1

MS0

MS1

CPU Bus Frequency

=PCI Bus Frequency X3

(Reserved)

P3V133

IMPORTANT: The CPU:PCI Bus Frequency Multiple must be set in conjunc-

tion with the CPU Bus Frequency. Otherwise, your system will not start. For

example, if your CPU’s Bus Frequency is 66MHz, the CPU:PCI Bus Frequency

Multiple should be 2-3 (MS0), 2-3 (MS1), unless otherwise indicated. See table

on opposite page for the combinations.

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

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

motherboard chipset. 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 Inter-

nal frequency (the advertised CPU speed).

P3V133 CPU External

Frequency Selection

105MHz

35MHz

123

103.00MHz

34.33MHz

123

100.30MHz

33.43MHz

123

83.30MHz

41.65MHz

123

75.0MHz

37.5MHz

123

FS1

FS2

FS0

FS3

66.8MHz

33.4MHz

123

CPU

PCI

CPU

PCI

110.00MHz

36.67MHz

112.00MHz

37.33MHz

115.00MHz

38.33MHz

120MHz

40MHz

124MHz

31MHz

124.00MHz

41.33MHz

123 123 123 123 123123

FS1

FS2

FS0

FS3

133.0MHz

33.3MHz

133.00MHz

44.33MHz

140MHz

35MHz

150.0MHz

37.5MHz

123 123 123 123

FS1

FS2

FS0

FS3

CPU

PCI

P3V133

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Asus PCI-L101 User Manual Page 18

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