NCR 7458 User Manual
Page 7
v
Table of Contents
Chapter 1: Product Overview
Introduction ...........................................................................................1-1
Cabinet
.............................................................................................1-2
Label Locations......................................................................................1-4
Chapter 2: POST Diagnostics
Power-On Self-Test (POST) Errors .....................................................2-1
Recoverable POST Errors ..............................................................2-2
Error and Beep Codes ....................................................................2-2
Terminal POST Errors....................................................................2-6
Test Points and Beep Codes ..........................................................2-6
Chapter 3: Hardware Service
Introduction ...........................................................................................3-1
Safety Requirements ......................................................................3-1
Back Panel Cable Connectors ..............................................................3-3
Electronics Box Disassembly Procedures ..........................................3-4
Removing the Electronics Tray.....................................................3-4
Replacing the Electronics Tray.................................................3-5
Removing the Motherboard..........................................................3-6
Replacing the Motherboard....................................................3-10
Removing a PCI Adapter Card...................................................3-11
Removing the Power Supply ......................................................3-12
Replacing the Power Supply ..................................................3-13
Removing the Flexible Disk Drive .............................................3-13
Replacing the Flexible Disk Drive .........................................3-14
Removing the CD-ROM Drive ...................................................3-14