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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