User Guide

2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Table 2-3 D port status (9/9)
D port status Inspection items Details
Process for CPU (Make the CPU clock to be set by
SETUP)
Waiting for the motor off of a disabled HDD
Final decision of USB FDD drive information
Post processing of PRE_BOOT_SETUP
Clearing PWRBTN_STS, Enabling the power button
F120h Clearing IRT status
Updating of checksum for Runtime
FFFFh Completion
Check 1 If the D port status error code F11Ah is displayed, go to the 3.5” USB FDD
Troubleshooting Procedures in Section 2.5 or the 2.5” HDD Troubleshooting
Procedures in Section 2.6.
Check 2 If any other D port status error code is displayed, perform Procedure 3.
D port error statuses are following:
Error code Contents
F160h Timer CH2 error
F161h PIT error
F162h PIC #1 error
F163h PIC #2 error
F11Eh Clock generator setting error
Satellite A50/TECRA A2 Maintenance Manual (960-478) 2-29