Mitsubishi Electric LS Pro Hardware Technical Reference page 15

Contents
2 SYSTEM UNIT
Introduction ................................ 2/2
External layout ...........................2/2
Internal layout ............................ 2/3
Servicing level ............................. 2/3
Dismantling and re-assembly . 2/3
Warnings and cautions ........ 2/3
Antistatic precautions .......... 2/4
Equipment required ............. 2/4
System board connectors ... 2/4
Removing the system unit top
cover ........................................ 2/5
Removing the system board
metalwork ............................... 2/6
Removing the floppy drive .. 2/7
Removing the power supply
metalwork ............................... 2/8
Removing the hard disk
drive .......................................... 2/9
Removing the fan ................ 2/10
Removing the power
supply .................................... 2/11
Removing a Token-Ring
module .................................. 2/11
System unit
Removing a parallel port
cable ...................................... 2/13
Removing a thick wire Ethernet
assembly ............................... 2/13
Removing the system
board ..................................... 2/13
Removing an escutcheon
plate ....................................... 2/14
Removing the power switch
linkage ................................... 2/14
RFI screening tray and
insulation sheet ................... 2/15
Installing add-ons .................... 2/16
Memory upgrades ............... 2/16
Installing an 80387SX ......... 2/19
System unit connectors ........ 2/20
VGA ....................................... 2/20
Ethernet ................................ 2/20
Serial port ............................. 2/21
Parallel port ......................... 2/22
Keyboard/mouse
connectors ........................... 2/22
LS PRO HARDWARE TECHNICAL REFERENCE 2/1