Gigabyte 6BA user manual CPU Speed Setup

Page 4

Quick Installation Guide

I. Quick Installation Guide :

CPU SPEED SETUP

The system bus speed can be selectable between 66.6MHz and 100MHz. The user can select the system bus speed (JP8) and change the DIP SWITCH selection to set up the CPU speed for 233 - 633MHz processor.

MThe CPU speed must match with the frequency RATIO. It will cause system hanging up if the frequency RATIO is higher than CPU's.

FREQ. RATIO

 

DIP SWITCH

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

X 3

ON

OFF

ON

ON

 

 

 

 

 

X 3.5

OFF

OFF

ON

ON

 

 

 

 

 

X 4

ON

ON

OFF

ON

 

 

 

 

 

X 4.5

OFF

ON

OFF

ON

 

 

 

 

 

X 5

ON

OFF

OFF

ON

 

 

 

 

 

X 5.5

OFF

OFF

OFF

ON

 

 

 

 

 

X 6

ON

ON

ON

OFF

 

 

 

 

 

X 6.5

OFF

ON

ON

OFF

 

 

 

 

 

X 7

ON

OFF

ON

OFF

 

 

 

 

 

X 7.5

OFF

OFF

ON

OFF

 

 

 

 

 

X 8

ON

ON

OFF

OFF

 

 

 

 

 

X 8.5

OFF

ON

OFF

OFF

 

 

 

 

 

X 9

ON

OFF

OFF

OFF

 

 

 

 

 

X 9.5

OFF

OFF

OFF

OFF

 

 

 

 

 

2

Image 4
Contents 6BA Page May 26, 1999 Taipei, Taiwan CPU Speed Setup Close Set system speed to 66MHz − system JP8 Pentium II / Celeron 433 MHz / 66MHz FSB Pentium III 550MHz / 100MHz FSB GND VCC Open Pin Function HD IDE Hard Disk Active LED Power Good +12V Signal Power FAN Power Fan Connector Floppy Floppy Port LPT LPT Port Enable Keyboard Power On Close Disable Key board Power On Key Clock Key Data USB D0+ GND VCC Short Clear Cmos Pin Function Signal JP11 JP12 III. Top Performance Test Setting 350MHz100x3.5 400MHz100x4