Toshiba Portege M200 Maintenance Manual page 66

2 Troubleshooting Procedures
D port
Details
status
Canceling NMI mask
(F11Fh)
Calculating checksum of TIT
Clearing IRT running flag for runtime
Update checksum for runtime
Checking whether CPU, HDD or other components
have been upgraded
Disabling PC Card not being used
Initializing HW prior to BOOT, Waiting for
completion of initializing
Setting up battery save mode
Setting up date
Waiting for completion of AC-Link initialization
Updating DMI Wakeup factor and SM-BIOS
structure table
Closing configuration space of PCI devices
Cache control
Processing related to CPU
Updating parameter block A
Setting up CPU clock speed to designated value
by Setup
Waiting for motor off of disabled HDD
Post processing of PRE_BOOT_SETUP
Clearing power button status (PWRBTN)
Enabling power button
Checking request for starting SETUP (by pressing
F121h
ESC key or CMOS error)
FFFFh
2-28
Table 2-3 D port status (7/7)
Portege M200 Maintenance Manual (960-457)
2.4 System Board Troubleshooting
Remarks
SETUP starts if any request exists.