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File No.
960-010
PROCEDURE 2
Printer Port LED Check
1.
Turn off the power.
2.
Plug the printer port LED into the PRT/FDD connector on
the back of the unit and set the A-B-PRT switch to PRT
position.
3.
While watching the printer port LED, turn on the power.
The printer port LED will light when the power switch
is turned on.
4.
Read the final LED status from left to right as a
hexadecimal value.
5.
If the final LED status matches any of the error code
values in the table 2-3, go to PROCEDURE 4.
6.
If the final LED status is 33B, go to PROCEDURE 3.
Status
OOH
01H
02H
03H
04H
05H
06H
07H
OSH
09H
OAR
OBH
OCH
ODH
OEH
OFH
10H
Table 2-2
Printer port LED normal status
Error messaae
Shutdown process and video initialization
CPU test 1
KBC test 1
KBC test 2
KBC test 3
KBC test 4
LSI initialization
CPU test 2
RTC initialization
ROM checksum test
Video initializatiion
Reserved
Reserved
PIT Channel 2 test and initialization
Reserved
CMOS RAM test
DMA CHannel 0 test
2-12
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