Category: Test procedures
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Determining the mainboard assembly number from outside the case
Determine the Commodore 64 motherboard revision without opening the case
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Testing Commodore 64 power supplies
Commodore 64 power suppliers should be tested before being sold off. In this article, I discuss test procedures, acceptance criteria and some of the concerns that call for awareness when using old power supplies connected directly to the power grid.
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Testing a Commodore 64
Before listing a Commodore 64, I conduct a series of tests. In this article, I explain my test procedures and equipment, and I take a deeper look at the acceptance criteria when testing products that were first released in 1982.
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Testing software
While cassette games usually still work even today, disk games have a considerable error margin. Original games vary greatly in price, meaning that the effort […]
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Testing datasettes
Given the price tag, there is a limit to the amount of time you can spend on datasettes. Annoyingly, many of them come with minor […]
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Testing floppy drives
Commodore’s 1541-family of floppy drives went out of sales decades ago. The drives that remain in working condition have surpassed their life expectancy multiple times. […]
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Recent Posts
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- Determining the mainboard assembly number from outside the case
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1530 1531 1541 assembly number azimuth; Commodore commodre computer datasette disks drivebelt drive belt hardware mainboard power supplies r/w head refurbishing repair notes reselling retro retro-computing selling tapes testing original games test procedure warranties