Asus P5-99B User Manual download pdf (Page 20)

III. HARDWARE SETUP

ASUS P5-99B User’s Manual20

Motherboard Settings

III. H/W SETUP

8. CPU Core:BUS Frequency Multiple Setting (DIP 2 – Switches 6, 7, 8)

This option sets the frequency multiple between the CPU’s Internal frequency

and External frequency. These must be set in conjunction with the CPU BUS

Frequency Setting.

0 1

P5-99B CPU

BUS Frequency Multiple

CPU A: AMD-K6-2, AMD-K6

CPU B: Intel Pentium P54C, AMD-K5

CPU C: Intel Pentium P55C, IBM/Cyrix

6x86MX, IBM/Cyrix M II

CPU D: IBM/Cyrix 6x86, IBM/Cyrix 6x86L

CPU E: IDT WinChip 2™

CPU F: IDT WinChip C6

CPU A

CPU B

CPU C

CPU D

CPU E

CPU F

→

DIP 2

3.5x(7/2)

1.5x(3/2)

3.5x(7/2)

3.0x(3/1)

3.5x(7/2)

4.0x(4/1)

2.0x(2/1)

3.33x(10/3)

2.0x(2/1)

2.5x(5/2)

1.0x(1/1)

2.5x(5/2)

2.0x(2/1)

3.0x(3/1)

—

3.0x(3/1)

12345 678910

4.0x(4/1)

—

4.0x(4/1)

12345 678910

4.5x(9/2)

—

4.5x(9/2)

4.0x(4/1)

12345 678910

5.0x(5/1)

—

2.33x(7/3)

5.0x(5/1)

5.5x(11/2)

—

2.66x(8/3)

5.0x(5/1)

12345 678910

CPU A

CPU B

CPU C

CPU D

CPU E

CPU F

→

See next page for a table of the CPU BUS Frequency and CPU Core:BUS Fre-

quency Multiple Settings of supported CPUs.

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

board chipset and are not guaranteed to be stable. The table on the following

page is for general reference purposes only. Always refer to the instructions

included with your CPU when possible.

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Asus P5-99B User Manual Page 20

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