Soyo P55C User Manuals

Table of Contents

• Key Features

  1
• Unpacking the Mainboard

  2
• Electrostatic Discharge Precautions

  2
• Mainboard Layout W/ Default Settings

  3
• Remarks on the Cyrix and IBM P200 CPUs

  5
• Voltage Setting List

  5
• Jumpers

  6
• JP5: CMOS Clear Jumper

  6
• J25: E MI Groun d Pin

  6
• CPU Type Configuration

  8
• Step 1: Frequency Setting

  8
• 3. 5x clock CPU Settings (233 MHz CPUs)

  11
• Step 2: CPU Single/Dual Voltage Setting

  12
• Single Voltage CPU Setting

  12
• Dual Voltage CPU Setting

  13
• Memory Configuration

  13
• Memory Configuration Table

  14
• RAM Bank Installation Notice

  14
• Cache Configuration

  14
• Cache Size and RAM Locations

  14
• Multi I/O Port Addresses

  15
• Connectors

  15
• COM1, COM2-COM1/COM2 Connectors

  15
• FDC Connector

  15
• J19-Hardware Reset Control

  15
• J24-HDD LED Connectors

  15
• CN5-IR Connector

  16
• CN2-Keyboard Connector

  16
• J17-Keylock & Power LED Connector

  16
• CN1-PS/2 Mouse Connector

  16
• PRT-Parallel Port Connector

  16
• J23: Sleep Switch Connector Enable/Disable

  17
• CN3-Universal Serial Bus Connectors

  17
• J18 speaker

  17
• Appendix A: Jumper for Cyrix/IBM CPU(J100)

  37