Toshiba 100CS Manual page 27

Table 2-1 Printer port LED boot mode status (2/2)
LED status
A6H Initialization of expansion ROM
C0H Password check
FFH Setup boot check
FFH Boot load
Check 1 If the following error codes are displayed, go to Procedure 5.
01h, 02h, 03h, 04h, 05h, 06h, 07h, 08h, 0Ah, 0Bh, 0Ch, 0Dh, 18h, 1Fh, 25h,
30h, 40h, 41h, 42h, 4Ah, 65h, 70h, 80h, 90h, A0h, A6h, C0h, FFh
Check 2 If error code 50h is displayed, go to the Keyboard Troubleshooting procedures in
Section 2.7.
Check 3 If error code 55h is displayed, go to the HDD Troubleshooting Procedures in
Section 2.6.
Check 4 If error code 60h is displayed, go to the FDD Troubleshooting Procedures in
Section 2.5.
Procedure 3 Printer Port LED Check on Resume Mode
The printer port LED displays the IRT status and test status by turning lights on and off as an
eight-digit binary value for resume mode.
To use the printer port LED follow these steps:
1. Turn the computer on, then set to resume mode.
2. Turn the computer off.
3. Plug the printer port LED into the computer's parallel port.
4. Turn the computer on.
5. Read the LED status from left to right as you face the back of the computer.
6. Convert the status from binary to hexadecimal notation.
7. If the final LED status is FFh (normal status), go to Procedure 4.
8. If the final LED status matches any of the test status values in table 2-2, perform
Procedure 5.
100CS
Test item Message
—
—
*** Bad xxxx xxxx ***
Check system. Then press [F1] key.
—
2-11