Apple GS Disk Benchmarking
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- Опубликовано: 4 фев 2025
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Follow up video to last month's Apple ][ Disk Benchmarking of all our favorite storage devices, this time concentrating on the Apple //gs. Video explores using a new benchmark program from BrutalDeluxe called BenchmarkeD and compares to the utility used before. I also performed tests with Apple High-Speed SCSI card, the FujiNet device and present some preliminary numbers for a new upcoming storage device for the Apple II that, well, just screams!
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That's been my experience with the Booti and the GS too - it's painfully slow...
How can a non DMA CFFA card perform better than a High Speed SCSI card which does DMA. A very slow disk drive?
BTW, what's the reason behind many modern cards not being able to support DMA ? Logic complexity ? driver support ? It's striking that with all the modern electronics put into modern cards, none of the recent one were able to support DMA.
Making a DMA compliant card is not a trivial task as you have to make sure you are not conflicting with other devices talking to memory at the same time. You might want to ask this in the Apple2Infinitum Slack channel where several hardware/firmware developers hang out including those for UltimateDrive, VidHD, etc.
@@8BitDoodads-sm6tj I'm far from saying it's trivial, of course. Just wondering why some cards could do it about 40 years ago, and how modern card seems to struggle, even though the tools we have today are far more advanced; Let me light a fire in Slack :)
@@8BitDoodads-sm6tj And ... posted on Slack. I wasn't sure of your name in the channel, so could not cite you.
Mebbe DMA was off :)