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Check disk speed and head alignment
DskTest helps diagnose a CPC disk drive by measuring rotational speed, finding sectors and testing head alignment. It runs on the CPC and lets you select a drive and track while watching the results.
The current release is for CPC 6128; it does not run on CPC 464 or 664. Load it from disk or tape and use a known-good formatted disk for alignment checks. The alignment test keeps retrying until it succeeds, so begin with a low track and follow the project instructions.
How did it go? Tips, problems, questions…
Check disk speed and head alignment
DskTest helps diagnose a CPC disk drive by measuring rotational speed, finding sectors and testing head alignment. It runs on the CPC and lets you select a drive and track while watching the results.
The current release is for CPC 6128; it does not run on CPC 464 or 664. Load it from disk or tape and use a known-good formatted disk for alignment checks. The alignment test keeps retrying until it succeeds, so begin with a low track and follow the project instructions.
pacomix
On GitHub

Amstrad CPC computers
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How did it go? Tips, problems, questions…