Toshiba satellite a20 series User Manual

Page of 495
 
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