AT&T PC 6300 - Page 453

MAINTENANCE
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12. The hardware portion of the Video System is tested and a
message similar to the following is displayed if an error
occurs:
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501 - VtDEO SYSTEM VIDEO MEMORY WORD WRITE/READ ERROR
1 2049 XB800 XTFFA X5A5A X5AFF
PASS' 'BAD SEGMENT OFFSET WRITTEN READ
(HIT THE ENTER KEY TO CONTINUE)
If an error occurs, record the error message and continue.
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Note: A blank formatted floppy is required in
drive A: when running the hardware video test.
(Refer to System Diagnostics in Chapter 4.)
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