Re: PC20-III
Date: 2001-04-18 14:45:33

On Wed, 18 Apr 2001, Ruud Baltissen wrote:

> Hallo James,
> Could you do me a small favour? You will need a little programming skills
> but even GW-BASIC will do. You must write a program like this:
> 10 for I=256 to 1023
> 20 print(in(I)); " ";
> 30 next
> 40 end
> This little program reads the I/O addresses from $100 to $3FF. Then you have
> to make a bootable floppy with GW-BASIC (or whatever you use) and run it
> with and without the harddisk. The IDE-harddisk has eight registers. My hope
> is that the two runs show enough differences to trace where the interface is
> situated. Once this is known, one can scan the BIOS for I/O-operations on
> these addresses.

or you could ask any linux lover to type 'dmesg |grep IDE'. *wink*

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