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Jp3: lcd power setting, Jp4: crt/lcd display selection – IBM CI5VGM Series User Manual

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Chapter 2 Installations

CI5VGM User’s Manual

21

For Dual Voltage CPU:

Intel P55C, Cyrix 6x86L/MX/MII, AMD K6/K6-2

SW2

V

IO

V

CORE

CPU

off on off off

3.3V 2.2V

K6, K6-2

(0.25

µ

)

on off off off

3.3V 2.1V

off off off off

3.3V 2.0V

JP3: LCD Power Setting

The CI5VGM XGA interface supports 5V and 3.3V LCD displays. Use
JP3 to change between 5V (default) and 3.3V panel video signal level.


3.3V Setting

5V Setting

2 4 6

1 3 5

2 4 6

1 3 5


JP4: CRT/LCD Display Selection

The JP4 jumper is used to toggle between CRT and LCD display.

JP4

Function

JP4

Function

short

CRT Display

open

LCD Display