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Error code Message
Alternate serial
port
1201
ERROR DTR DSR, DSR ALWAYS HIGH/LOW
1201
ERROR RTS CTS, CTS ALWAYS HIGH/LOW
1202
TIME OUT ERROR
1203
VERIFY ERROR
Dot-matrix printer
1401
status: error-type
Hard disk drive
and controller
1701-A
hard disk controller error (RAM)
1701-B
hard disk controller error (interrupt)
1701-C
drive not ready
1701-D
track 0 error
1701-E
hard disk controller error
Performing System Diagnostics
D-25