Toshiba T3300SL Maintenance Manual page 34

Printer Port
Error
LED Indication
Codes
A B
26h
27h
28h
29h
30h
31h
32h
33h
34h
= On
= Off
NOTE: If an error condition is detected by the IRT test, the printer port LED displays an error
code after the IRT test finishes. For example, when the printer port LED displays 16h and
halts, the IRT test has already completed the KBC test. In this instance, the IRT indicates an
error with the system memory test. Error codes marked with an asterisk (*) indicate that the
IRT test aborts after the printer port LED outputs the error code.
Check 1 If the following error codes are displayed, replace the system board with a new one.
FFh, 00h, 01h, 02h, 05h, 06h, 07h, 0Ah, 0Dh, 15h, 16h, 18h,
1Fh, 22h, 25h, 30h, 40h, 41h, 42h, 4Ah, 70h, 80h, 90h, A0h,
A6h
Check 2 If error code 54h is displayed, go to the Keyboard Troubleshooting Procedures in Section
2.7.
Check 3 If error code 5Ah is displayed, make sure the mouse cable is connected to the system
board. If it is, replace the system board with a new one.
Check 4 If error code 60h is displayed, go to the HDD Troubleshooting Procedures in Section 2.6.
Check 5 If error code 65h is displayed, go to the FDD Troubleshooting Procedures in Section 2.5.
2-18
Table 2-2 Printer port LED error codes (continued)
Test Item
HDD initialization
FDD initialization
Printer investigation
SIO initialization
Timer initialization
NDP initialization
Extended ROM initialization
SETUP startup check
Boot/load
Contents of the test
Checks if the HDD is connector or not.
Initializes the HDC.
Checks if the external FDD is connected or not.
Initializes the FDC.
Checks the printer port.
Checks if the SIO functions properly or not.
Checks the RTC's year, month, and day.
Timer count set for INT 08h.
Checks if the timer interruption functions properly or not.
Checks if the NDP is installed or not.
Checks if the extended ROM is installed or not.
Initializes the extended ROM.
Checks if the SETUP starts up properly or not.
Boots and loads the operating system.