User Guide

Hardware Installation

2-6

JP5

JP6

JP6 & JP5

1 2 3

66MHz

(default)

JP6 & JP5

1 2 3

60MHz

Caution: Following table are possible settings of

current CPU available on the market. The correct

setting may vary because of new CPU product,

refer to your CPU specification for more details.

INTEL

Pentium II

CPU Core

Frequency

Ratio External

Bus Clock

JP3 & JP2 & JP1 JP6 & JP5

Klamath 200 200MHz = 3x 66MHz 1-2 & 2-3 & 1-2 1-2 & 1-2

Klamath 233 233MHz = 3.5x 66MHz 2-3 & 2-3 & 1-2 1-2 & 1-2

Klamath 266 266MHz = 4x 66MHz 1-2 & 1-2 & 2-3 1-2 & 1-2

2.2.2 Setting the CPU Voltage

JP7~JP11

Open

CPU Core Voltage

CPU voltage auto-

detection (default)

JP7~JP11 is reserved for test only and

will be removed after mass production.

This mainboard supports Pentium II

(Klamath) VID function, the CPU core

voltage is automatic detected, the

range is from 1.3V to 3.5V.

JP11,JP10,JP9,JP8,JP7

Open for Auto-detection