Try running Microsoft's DOS 'MSD' and/or 'Check-It' and see where everything is at. I too run a SCSI card once in a while on my SX but I don't use a...
Again, there is a DOS utility to manually invoke trim. I DO care about linear transfer speeds, and every CF card I've tried has been slower than IDE...
I'm trying to use PIT counter 0 for timing in a (protected mode) DOS program. (I also have RDTSC as an option but it is not available on 486/5x86.)
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