Asus P3V133 H/W, SETUP, Motherboard, 4.CPU Bus Frequency Selection (FS0, FS1, FS2, FS3), 5.CPU:PCI Bus Frequency Multiple Selection (MS0, MS1)

Motherboard	H/W .3
Settings	SETUP

3.HARDWARE SETUP

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).

	1	2	3	1	2	3	1	2	3	1	2	3	1	2	3	1	2	3
	FS3
	FS2
	FS1
	FS0
CPU	66.8MHz			75.0MHz			83.30MHz 100.30MHz 103.00MHz 105MHz
PCI	33.4MHz			37.5MHz			41.65MHz			33.43MHz			34.33MHz			35MHz
	1	2	3	1	2	3	1	2	3	1	2	3	1	2	3	1	2	3
	FS3
	FS2
	FS1
	FS0
CPU	110.00MHz112.00MHz115.00MHz									120MHz			124MHz 124.00MHz
PCI	36.67MHz 37.33MHz 38.33MHz									40MHz			31MHz			41.33MHz
P3V133	1	2	3	1	2	3	1	2	3	1	2	3
	FS3
	FS2
P3V133 CPU External	FS1
Frequency Selection	FS0
	133.0MHz 133.00MHz 140MHz									150.0MHz
CPU
PCI	33.3MHz			44.33MHz			35MHz			37.5MHz

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.

1 2 3	1 2 3
MS0	MS0
MS1	MS1
CPU Bus Frequency	CPU Bus Frequency
=PCI Bus Frequency X2	=PCI Bus Frequency X3
(Default)
1 2 3	1 2 3
MS0	MS0
MS1	MS1
CPU Bus Frequency	(Reserved)
=PCI Bus Frequency X4

P3V133

P3V133 CPU:PCI Frequency Multiple Selection

IMPORTANT: The CPU:PCI Bus Frequency Multiple must be set in conjunction 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.

18 ASUS P3V133 User’s Manual