2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-32 [CONFIDENTIAL] PORTÉGÉ M500 Maintenance Manual (960-559)
Table 2-4 Debug port (Boot mode) error status (10/10)
D port status Inspection items Details
F122H IRT_SC_INIT_START
F123H
Notifies the DVI connection status to VGA BIOS (for
models supporting DVI)
Setting of battery save mode
Setting of date
Waiting for Bluetooth initialization completion
(for models supporting Bluetooth)
Update of DMI Wakeup factor, Update of SM-BIOS
structure table
PCI device configuration space close
Cache control
Renewal of parameter block A
Process for CPU
Make the CPU clock to be set by SETUP
Waiting of motor-off completion of disabled HDD
Final decision of USB FDD drive information
Post processing of PRE_BOOT_SETUP
Clear of PWRBTN_STS
Enabling POWER Button
F124H IRT_PRE_BOOT_SETUP_END
IRT_WAIT_DISP_LOGO_START
Clear of IRT status
F125H
Renewal of check sum of
Runtime side
FFFFH IRT_POST_END