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Megastar Pentium Main Board

PCI54ITS Jumper Setting
 
 

Intel CPU Jumper Setting  
CPU
SW1
JP3
SW6
SW7
SW8
Pentium 75
ON
OFF
OFF
  OFF
OFF
Pentium 90
ON
OFF
OFF
ON
OFF
Pentium 100
ON
OFF
OFF
ON
ON
Pentium 120
ON
OFF
ON
ON
OFF
Pentium 133
ON
OFF
ON
ON
ON
Pentium 150
ON
ON
ON
ON
OFF
Pentium 166
ON
ON
ON
ON
ON
Pentium 180
ON
ON
OFF
ON
OFF
Pentium 200
ON
ON
OFF
ON
ON

  

AMD K5 CPU Jumper Setting
CPU
SW1
JP3
SW6
SW7
SW8
5K86-75
ON
OFF
OFF
OFF
OFF
5K86-90
ON
OFF
OFF
ON
OFF
5K86-166
ON
OFF
ON
ON
ON

 

Cyrix 6x86 CPU Jumper Setting 
CPU
SW1
JP3
SW6
SW7
SW8
6x86 P120+ (100MHz)
ON
OFF
ON
OFF
OFF
6x86 P150+ (120MHz)
ON
OFF
ON
ON
OFF
6x86 P166+ (133MHz)
ON
OFF
ON
ON
ON

 

Flash BIOS: JP4
JP4
Flash Type
1 - 2
12V Programming
2 - 3
5V Programming

Note:SST Flash Rom JP4 is Don't Care.
 
 

BIOS Set-up:SW3, 4, 5 
 
OFF
ON
SW3
Normal
Clear BIOS password
SW4
Normal
Clear BIOS CMOS content
SW5
Normal
Aceess to BIOS set-up prevented

 
 

Multi-I/O:JP1, 2 
JP1, 2
DMA Channel
1 - 2
DMA 1
2 - 3
DMA 3

 

CPU Voltage:SW2 
SW2
CPU Voltage
 
ON
Normal
3.3V
OFF
Higher
3.45V

Copyright, Disclaimer, and Trademark Information Copyright © 1996-2006 Larry F. Byard.  All rights reserved. This material or parts thereof may not be copied, published, put on the Internet, rewritten, or redistributed without explicit, written permission from the author.