IBM PS/1, Hardware Maintenance Service

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MAP 0625: 5.25-Inch Diskette Drive
Symptom Explanation
Conditions That Could Cause This
Symptom
You have entered this
MAP because you
received a 6XX error
code, or you have been
directed here from
another MAP. The 5.25-inch diskette drive is failing.
The diskette drive signal cable is
failing.
The system board is failing.
The power supply is failing.
Ensure the 5.25-inch power and signal cables are connected to the 5.25-inch
drive.
001
IS THE 5.25-INCH DISKETTE DRIVE THE ONLY DRIVE FAILING?
Yes No
002
Go to “MAP 0600: 3.5-Inch Diskette Drive” on page 2-58.
003
– Power off the system unit.
– Install the Advanced Diagnostics diskette in drive A.
– Power on the system unit.
DID THE LED ON THE 5.25-INCH DISKETTE DRIVE COME ON BEFORE
THE BEEP AT THE END OF POST?
Yes No
004
Go to Step 012 on page 2-68.
005
(Step 005 continues)
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