Chapter2 Troubleshooting Procedures
2-20 Satellite U400/Satellite Pro U400/PORTEGE M800
Maintenance Manual
Code Beeps For Boot Block in Flash ROM
E0h
Initialize the chipset
E1h
Initialize the bridge
E2h
Initialize the CPU
E3h
Initialize system timer
E4h
Initialize system I/O
E5h
Check force recovery boot
E6h Checksum
BIOS
ROM
E7h
Go to BIOS
E8h
Set Huge Segment
E9h
Initialize Multi Processor
EAh
Initialize OEM special code
EBh
Initialize PIC and DMA
ECh
Initialize Memory type
EDh
Initialize Memory size
EEh
Shadow Boot Block
EFh System
memory
test
F0h
Initialize interrupt vectors
F1h
Initialize Run Time Clock
F2h Initialize
video
F3h
Initialize System Management Mode
F4h
1 Output one beep before boot
F5h
Boot to Mini DOS
F6h Clear
Huge
Segment
F7h
Boot to Full DOS
Summary of Contents for Satellite Pro U400 Series
Page 110: ...Test Program for Field Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 17 ...
Page 168: ...Replacement Procedures Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 4 iv ...
Page 276: ...Pin Assignment 36 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...
Page 302: ...Wiring Diagrams F 2 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...