Apple Disk II Technical Procedures
Apple Disk II Technical Procedures
Apple Disk II Technical Procedures
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<strong>Disk</strong> ][ Troubleshooting ChartSymptomProbable Cause<strong>Disk</strong> ][ will not boot;1) Dspeeddrive comes on. System2) Head Dirtygives I/O errors during3) Interface Cablenormal operation. 4) <strong>Disk</strong> Analog card5) <strong>Disk</strong> Mechanical<strong>Disk</strong> ][ will not boot;1) Interface Cabledrive does not come on. 2) <strong>Disk</strong> Mechanical3) <strong>Disk</strong> Analog card<strong>Disk</strong> ][ makes high pitchedwhining sound.<strong>Disk</strong> ][ writes whendiskette is protected.<strong>Disk</strong> ][ reads but doesnot write.1) <strong>Disk</strong> Mechanical1) Write Protect switchalignment2) <strong>Disk</strong> Analog card1) <strong>Disk</strong> Analog card<strong>Disk</strong> ][ Troubleshooting Rev. 09/08/82 Page 4.3
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