Toshiba Portege 2000, Maintenance Manual

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2.4 Main board Troubleshooting 2 Troubleshooting
Portege 2000 Maintenance Manual (960-333) 2-21
Table 2-3 D port status (2/6)
D port status Inspection items details
F005h Executing CHGBIOSA Loading CHGBIOSA.EXE and CHGFIRMA.EXE
Executing CHGBIOSA.EXE and CHGFIRMA.EXE
Transferring system BIOS handling to IRT
F100h Checking system Disabling cache memory
Initializing special registers
Initializing the Ch1 of a PIT
F101h Checking the size and type of DRAM Checking the size and type of
DRAM
Testing the stack area of
SMRAM
Testing the stack area of SMRAM
F102h Configuring cache memory
Enabling L1 cache memory
Testing CMOS for access
Checking the voltage of a CMOS backup battery
Examining the checksum of CMOS
Initializing data in CMOS (1)
Setting up IRT status
Checking and initializing
CMOS
Storing the size of DRAM
F103h Checking for branch of resuming
ICH2-M Power Failure
Examining the checksum of SMRAM
Checking whether the memory configuration have been
changed
Examining the checksum of system BIOS RAM area
Examining the checksum of PnP RAM
Conducting resuming
Disabling all SMIs
Clearing resuming status
Setting a request for a resuming error
Checking for branch of
resuming
Copying the contents of ROM
to RAM
Copying system BIOS from ROM to RAM
Initializing SMRAM
Checking the factor of WakeUp
Changing SMRAM base
F104h Initializing SMRAM
Enabling SMI