
P H 4 4 0 N L X M o t h e r b o a r d U s e r G u i d e
S e p t e m b e r 1 9 9 8
MITSUBISHI ELECTRIC MOTHERBOARD DIVISION
PAGE 5 OF 51
CONTENTS
1
Overview
8
Motherboard Features ...................................................................................................................... 9
Configuration Options ................................................................................................................... 10
Build-time ................................................................................................................................ 10
User Configurable .................................................................................................................... 10
Block Diagram............................................................................................................................... 11
2
Installation guide
12
3
Upgrading the motherboard
14
Adding more memory.................................................................................................................... 14
Fitting and removing DIMMs .................................................................................................. 14
Fitting a DIMM ........................................................................................................................ 15
Removing a DIMM .................................................................................................................. 15
Adding more video memory .......................................................................................................... 15
The processor assembly ................................................................................................................. 16
To fit a new processor .............................................................................................................. 17
Replacing the battery for the configuration CMOS ....................................................................... 18
4
Electronics
19
Processor........................................................................................................................................ 19
Core Logic ..................................................................................................................................... 19
Concurrency ............................................................................................................................. 20
Level 2 Cache ................................................................................................................................ 20
Memory ......................................................................................................................................... 20
Motherboard............................................................................................................................. 20
DIMM ...................................................................................................................................... 20
BIOS ........................................................................................................................................ 20
Configuration RAM ................................................................................................................. 20
Video ............................................................................................................................................. 21
VGA Controller........................................................................................................................ 21
AGP.......................................................................................................................................... 22
Audio ............................................................................................................................................. 23
ESS Solo 1 ............................................................................................................................... 23
Real Time Clock ............................................................................................................................ 23
Standard I/O................................................................................................................................... 24