failed through 215 - xx:
204 - xx Address test failed 1. Remove the memory modules one at a
time until the error goes away.
211 - xx Random pattern test 2. Replace the good modules one at a
failed time while making sure the error code
does not return.
214 - xx Noise test failed 3. Replace the bad modules and retest.
215 - xx Random address test
failed
===========================================================================
Table 2-4. Keyboard Test Error Codes
===========================================================================
Error
Code Description Recommended Action
===========================================================================
300 - xx Failed ID Test The following steps apply to 300 - xx
through 304 - xx:
301 - xx Failed Self-test/
Interface Test 1. Check the keyboard connection. If
disconnected, turn off the computer
302 - xx Failed Individual and connect the keyboard.
Key Test 2. Replace the keyboard and retest.
3. Replace the system board and retest.
304 - xx Failed Keyboard
Repeat Test
===========================================================================
Table 2-5. Parallel Printer Test Error Codes
===========================================================================
Error
Code Description Recommended Action
===========================================================================
401 - xx Printer failed or The following steps apply to 401 - xx
not connected through 403 - xx:
402 - xx Failed Port Test 1. Connect the printer.
2. Check power to the printer.
403 - xx Printer pattern test 3. Install the loop-back connector and
failed retest.
4. Check switch on the Serial/Parallel
Interface board, if applicable.
5. Replace the Serial/Parallel Interface
board, if applicable.
6. Replace the system board and retest.
===========================================================================
Table 2-6. Diskette Drive Test
===========================================================================
Error
Code Description Recommended Action
===========================================================================
600 - xx Diskette ID drive The following steps apply to 600 - xx
types test failed through 698 - xx error codes:
601 - xx Diskette format 1. Replace the diskette media and retest.
failed 2. Check and/or replace the diskette
power and signal cables and retest.
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