Toshiba PORTEGE M400 - Manual (Page 72)

2 Troubleshooting 2.4 System board Troubleshooting
2-24 [CONFIDENTIAL] PORTEGE M400 Maintenance Manual (960-541)
Table 2-3 Debug port (Boot mode) error status (4/10)
D port status Inspection items Details
(F103h) Resume error check
S3 recovery error (ICH) Resume error F17Ah
SM-RAM checksum check Resume error F173h
Memory configuration change check
Resume error F173h
Checksum check of system BIOS RAM area
Resume error F179h
Checksum check of expansion memory
Resume error F176h
Checksum check of PnP RAM
Resume error F177h
To resume process (RESUME_MAIN)
Returns the CPU clock to “Low”
Prohibition of all SMIs
Clears resume status
To resume error process
Returns to ROM
Forwards the area of C0000h to EFFFFh to PCI
(prohibition of DRAM)
Sets resume error request
Copying ROM/RAM of
system BIOS
Halts, when error occurred
F105h SMRAM initialization
Check if CPU corresponds
to Hyper Threading
Initialization of APIC
WakeUp factor check
SMRAM base rewriting
and CPU state map
saving for BIOS
Permission of SMI based
on ASMI