System unit
2/4 LS PRO HARDWARE TECHNICAL REFERENCE
Contents
Chapter 2
Chapter 2
Chapter 6
Chapter 3
Chapter 2
Chapter 5
Antistatic
All electronic components and equipments are sensitive to static electricity. Even
precautions
small electrostatic discharges can render components useless or severely shorten
their working life, therefore preventive measures should always be taken.
No work should be carried on any item unless it is in a Special Handling Area (SHA)
as defined in BS CECC 00015:Part 1. In general this involves:
•
a common earth point
•
an earthed bench or bench mat
•
an earthed wrist strap
Equipment
The following tools are required to dismantle the system unit.
required
•
Philips screwdriver
•
Flat-bladed screwdriver
•
Nut spanner set
•
thin nosed pliers
System board
Many of the dismantling/reassembly procedures which follow involve the
connectors
disconnection and reconnection of system board plugs and sockets. The following
table gives, for each socket, the connector number which identifies it. This number
is printed on the system board next to each connector.
Connector
Label
Parallel port
PL8
Token ring module
PL9 and PL16
Hard disk drive power
PL12
Thick Ethernet
PL13
System board power
PL15
Hard disk drive control
PL17
Floppy disk drive
PL18
Loudspeaker
PL40
Summary of Contents for Apricot LS Pro
Page 1: ...apricot HARDWARE TECHNICAL REFERENCE MITSUBISHI ELECTRIC LS Pro ...
Page 2: ...HARDWARE TECHNICAL REFERENCE ...
Page 6: ...CONTENTS ...
Page 9: ...Chapter 1 INTRODUCTION ...
Page 14: ...Chapter 2 SYSTEM UNIT ...
Page 37: ...Chapter 3 SYSTEM BOARD ...
Page 60: ...Chapter 4 PERIPHERAL ITEMS ...
Page 91: ...Chapter 5 MEMORY AND I O USAGE ...
Page 118: ...Appendix A SPECIFICATIONS ...
Page 125: ...Appendix B REVISION C SYSTEM BOARD ...
Page 130: ...ERROR BEEP CODES Appendix C ...
Page 134: ...INDEX ...