2.4 System Board Troubleshooting

2 Troubleshooting Procedures

 

Table 2-4 Debugging port boot mode status (6/7)

 

 

Debug Port

Description

 

 

01B0h

Check for errors.

 

 

01B1h

 

 

 

01B2h

Change status bits in CMOS and/or the BIOS data area to reflect the fact that

 

POST is complete.

01B3h

 

 

 

01B5h

Fade out logo screen.

 

 

01B6h

 

 

 

01B7h

Initialize ACPI BIOS.

 

 

01B9h

Clear all screen graphics before booting.

 

 

01BAh

Initialize the SMBIOS header and sub-structures.

 

 

01BCh

Clear parity-error latch

 

 

01BDh

 

 

 

01BEh

Clear the screen before booting.

 

 

01BFh

 

 

 

01C1h

Initialize error handler

 

 

01C2h

Save the current boot type into CMOS

 

 

01C3h

Check the requested boot type

 

 

01C4h

Initializes (clears) the system error flags

 

 

01C5h

Mark the fact that we are no longer in POST

01C6h

 

 

 

 

01C7h

 

 

 

01C8h

 

 

 

01C9h

Check (and do) if BIOS change is necessary

 

 

01CAh

 

 

 

01CBh

 

 

 

01CCh

Restore the memory configuration.

 

 

01CDh

 

 

 

01CEh

 

 

 

01D1h

Initialize BIOS stack area

 

 

01D3h

Clear memory

 

 

01D4h

Determines if the CPU supports the Extended CPUID function for Processor

 

Name/Brand String.

01D6h

 

 

 

Satellite M30-35 Maintenance Manual (960-455)

2-27

Page 79
Image 79
Toshiba M30-35 manual Debugging port boot mode status 6/7

M30-35 specifications

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