Toshiba Satellite U400 - Page 9

Satellite U400/Satellite Pro U400/PORTEGE M800  Maintenance Manual 9
3.17.1
3.17.2
3.18.1
3.20.1
3.20.2
3.21.1
3.21.2
3.21.3
3.21.4
3.21.5
3.4
System Test..............................................................................................................3-11
3.5 Memory Test............................................................................................................3-13
3.6 Keyboard Test..........................................................................................................3-16
3.7 Display Test ............................................................................................................. 3-19
3.8 Floppy Disk Test......................................................................................................3-34
3.9 Hard Disk Test......................................................................................................... 3-36
3.10 Real Time Clock Test .............................................................................................. 3-39
3.11 Cache Memory Test................................................................................................. 3-41
3.12 High Resolution Display Test..................................................................................3-43
3.13 Multimedia Test.......................................................................................................3-49
3.14 MEMORY2 Test......................................................................................................3-50
3.15 Error Codes and Error Status Names.......................................................................3-52
3.16 Running Test............................................................................................................ 3-54
3.17 DMI INFORMATION.............................................................................................3-55
Check DMI Information………………………………………… 3-55
Write DMI Information……………………………………………3-55
3.18 Log Utilities .............................................................................................................3-57
Operations…………………………………………………………3-57
3.19 System Configuration .............................................................................................. 3-59
3.20 Running Test Edit Item............................................................................................3-60
Function Description………………………………………………3-60
Operation Description……………………………………………3-60
3.21 Common Tests an Operation ..................................................................................... 3-62
How to operate a window …………………………………………3-62
How to Stop the Test Program ……………………………………. 3-62
Test Status Screen …………………………………………………3-62
Test Stop Display……………………………………………………3-64
How to enter data ……………………………………………………3-64
Chapter 4 Replacement Procedures
4.1 Overview....................................................................................................................4-1
Safety Precautions ................................................................................................4-2
Before You Begin ................................................................................................ 4-3
Disassembly Procedure........................................................................................4-4