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View Code? Open in Web Editor NEWA utility to test and fix a 1541,1541 II, 1570, 1571 or OC118 disk drive.
A utility to test and fix a 1541,1541 II, 1570, 1571 or OC118 disk drive.
Hi,
I am running this on my 1570 on a c64 breadbin. It shows speed at 304.95 and whatever I do with the VR1 speed adjust pot, that number doesn't change. I can hear the pitch of the motor changing so no problem with the circuitry, it must be something else. Are you using the VIA's for timing? Could it be a faulty VIA?
I've tried to add this tool to my utilities cartridge in MagicDesk format, however the 1541-II CPU jams:
Example cartridge file:
magicdesk_C64-1541-Speed-Test.zip
By any chance is this fixable ?
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