Toshiba satellite a20 series User Manual
viii
Satellite A20 Maintenance Manual (960-444)
Chapter 3 Tests and Diagnostics
3.1
The Diagnostic Test ................................................................................................... 3-1
3.2
Executing the Diagnostic Test ................................................................................... 3-3
3.3 Subtest
Names............................................................................................................ 3-7
3.4 System
Test................................................................................................................ 3-9
3.5 Memory
Test............................................................................................................ 3-12
3.6 Keyboard
Test.......................................................................................................... 3-14
3.7 Display
Test ............................................................................................................. 3-18
3.8
Floppy Disk Test...................................................................................................... 3-22
3.9 Printer
Test............................................................................................................... 3-24
3.10 Async
Test ............................................................................................................... 3-26
3.11 Hard Disk Test ......................................................................................................... 3-27
3.12 Real Timer Test........................................................................................................ 3-30
3.13 NDP
Test.................................................................................................................. 3-32
3.14 Expansion
Test......................................................................................................... 3-34
3.15 CD-ROM/DVD-ROM
Test ..................................................................................... 3-36
3.16 Wireless LAN Test (Agere) .................................................................................... 3-37
3.17 Wireless LAN Test (Atheros) ................................................................................. 3-42
3.18 Sound/LAN/Modem
Test......................................................................................... 3-45
3.19 Error Code and Error Status Names......................................................................... 3-51
3.20 Hard Disk Test Detail Status ................................................................................... 3-54
3.21 Head
Cleaning.......................................................................................................... 3-56
3.22 Log
Utilities ............................................................................................................. 3-57
3.23 Running
Test............................................................................................................ 3-59
3.24 Floppy Disk Drive Utilities...................................................................................... 3-61
3.25 System
Configuration .............................................................................................. 3-66
3.26 SETUP ..................................................................................................................... 3-68
Chapter 4 Replacement Procedures
4.1 General....................................................................................................................... 4-1
4.2 Battery
Pack ............................................................................................................... 4-9