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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 on the computer, then set it to resume mode.
2.
Turn off the computer.
3.
Plug the printer port LED into the computer's parallel port.
4.
Turn on the computer.
5.
Read the icon 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 icon status is FFh (normal status), go to Procedure 4.
8.
If the final icon status matches any of the test status values in table 2-4, perform
Procedure 5.
Table 2-4 Printer port LED resume mode error status
Error status
F1H
System BIOS RAM checksum error
F2H
External display card is connected.
F3H
HDD was installed.
F4H
SMRAM checksum error or memory error during suspend
F5H
Conventional memory checksum error
F6H
Video RAM checksum error
F7H
Extended memory checksum error
F8H
PnP RAM checksum error
700 Series
Meaning of status
2-17
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Troubleshooting
