T4900CT
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.
NOTE: When you perform this check, set resume mode in SETUP.
To use the printer port LED follow these steps:
1. Turn on the T4900CT’s power, then set to resume mode.
2. Turn off the T4900CT’s power
3. Plug the printer port LED into the T4900CT’s PRT connector.
4. Turn on the T4900CT’s power.
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 2-4, go to
Procedure 5.
Table 2-4 Printer port LED resume mode error status
Error status Meaning of status
F0H Pre initialize
F1H SMI check
F2H Display card on expansion bus check
F3H HDD pack connection check
F4H SM-RAM checksum check
F5H Main memory checksum check
F6H Video RAM checksum error
F7H Extended memory checksum error
FBH Security card check
FCH Card modem check
To Next Page
Loading...
