Chapter 3 Contents
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
3.18
3.19
3.20
3.21
PORTEGE M400 Maintenance Manual (960-541)
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The Diagnostic Test ................................................................................................... 3-1
3.1.1
Diagnostics menu ................................................................................. 3-1
3.1.2
3.1.3
Heatrun test program............................................................................ 3-3
3.2.1
3.2.2
3.2.3
Heatrun test program ........................................................................... 3-7
3.3.1
3.3.2
3.3.3
Heatrun Test............................................................................................................. 3-19
Subtest Names.......................................................................................................... 3-20
System Test.............................................................................................................. 3-22
Memory Test............................................................................................................ 3-24
Keyboard Test.......................................................................................................... 3-25
Display Test ............................................................................................................. 3-26
Floppy Disk Test...................................................................................................... 3-29
Printer Test............................................................................................................... 3-31
Async Test ............................................................................................................... 3-33
Hard Disk Test ......................................................................................................... 3-34
Real Timer Test........................................................................................................ 3-37
NDP Test.................................................................................................................. 3-39
Expansion Test......................................................................................................... 3-40
CD-ROM/DVD-ROM Test ..................................................................................... 3-42
Only One Test .......................................................................................................... 3-48
3 Tests and Diagnostics
[CONFIDENTIAL]
3-iii