User Guide

Chapter 5 Troubleshooting Guidelines

340S8 Rev : A Page

1.2.2 LCD Display

14.1” TFT

13.3” TFT

12.1” TFT

1.2.3 Power Plans

Power Source Descriptions

+5V : 5V power source

+3V : 3.3V power source

+12V : 12V power source

CPU_Core : CPU Core power source.

For Celeron, the voltage is 2.0V

For Pentium III, it is 1.7V

+2.5V : 2.5V power source

+1.8V : 1.8V power source for SIS630 & CPU AGTL + termination

power source

KBVCCA : KBC AD/DA 3.3V reference voltage

RTCVDD : Real time clock power source

+5V_AUX : LAN 5V always power source

+3V_AUX : LAN 3.3V always power source & KBC 3.3V power

Source

+3V_RX_TR : LAN 3.3V analog power source