Toshiba Portege R500 Maintenance Manual - Page 73

2.4 System Board Troubleshooting 2 Troubleshooting Procedures Table 2-5 Debug port (Boot mode) error status (9/10) D port status Inspection items F11FH EX_IO_ROM_CHECK F120H PRE_BOOT_SETUP Details (Check of option I/O ROM) Saving of value in 40:00h (for SIO saving/restoring) Setting of font address for resume password Setting of repeat parameter for USB KB Final check of key input during IRT Storing of T_SHADOW_RAM_SIZE Update of system resource just before booting Rewriting of memory map data of INT15h E820h function Waiting for AC-Link initialization completion Renewal of table for DMI Copying ACPI table to uppermost of extension memory waiting for writing completion of PSC Version BIOS Waiting for completion of setting clock generator When error occurred, halt at F121 Waiting for completion of initialization of Serial port (for models supporting SIO) Cancel of NMI Mask TIT check sum Clear of the IRT flag of Runtime side Update of check sum of Runtime side Hibernation branch (for models supporting BIOS Hibernation) Initialization of Bluetooth (for models supporting Bluetooth) Check for existence of target maintenance card Prohibition of unused PC card not used Setting Wakeup status data for ACPI HW initialization just before booting, Waiting for initialization completion PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL] 2-27