IDE knowledge anyone?

Steven Hirsch snhirsch at
Tue Dec 8 14:44:17 CST 2015

On Tue, 8 Dec 2015, Oliver Lehmann wrote:

> I checked it now with an old 486-DX50 EISA+VLB board (rare combination ;))
> with a Goldstar Prime 2 and an Acer M5105 ISA Controller. Both detect and
> work fine with this harddisk. No idea what mode they work but I guess it
> is PIO 0-whatever only - no DMA involved....
> Damn this drives me nuts.... either I accept it, or I get a logic analyzer
> but the cost of such a thing..... :/

There are some Chinese logic analyzers on eBay for well under $100. No 
idea how well they work.


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