Toshiba Satellite U300 Maintenance Manual page 73

2 Troubleshooting Procedures
Code Beeps For Boot Block in Flash ROM
E0h
E1h
E2h
E3h
E4h
E5h
E6h
E7h
E8h
E9h
EAh
EBh
ECh
EDh
EEh
EFh
F0h
F1h
F2h
F3h
F4h
F5h
F6h
F7h
Satellite U300 and Satellite Pro U300 Maintenance Manual (960-Q08)
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Initialize the chipset
Initialize the bridge
Initialize the CPU
Initialize system timer
Initialize system I/O
Check force recovery boot
Checksum BIOS ROM
Go to BIOS
Set Huge Segment
Initialize Multi Processor
Initialize OEM special code
Initialize PIC and DMA
Initialize Memory type
Initialize Memory size
Shadow Boot Block
System memory test
Initialize interrupt vectors
Initialize Run Time Clock
Initialize video
Initialize System Management Mode
1 Output one beep before boot
Boot to Mini DOS
Clear Huge Segment
Boot to Full DOS
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