8-bit IDE

From: Richard Erlacher <edick_at_idcomm.com>
Date: Mon Apr 17 13:33:04 2000

----- Original Message -----
From: <allisonp_at_world.std.com>
To: <classiccmp_at_classiccmp.org>
Sent: Monday, April 17, 2000 12:10 PM
Subject: Re: 8-bit IDE

> On Mon, 17 Apr 2000, Richard Erlacher wrote:
> > Do you mean you checked the standard and subsequently fiddled with the
> > software so it set the mode to 8-bit? That's part of what I wanted to
> > establish.
> How would I know the 8-bit mode was there otherwise? the books
> (standard) said it was there, didn't work as advertized. I suspected
> it was optional.
It was optional after the 1996 standard became the norm. I'm just not
certain any mfg actually put it in his drives after '91. I would like to
avoid having to check each drive individually, but if I do, I'll just put a
"fixture" in one of my S-100 boxes and run a test there.

There's physical room for a SCSI, WD100x-05, and an 8-bit IDE on the 12 x 40
hole wirewrap layout on the card I'm using. IF I can find two or three
drives that work in 8-bit mode, that will be enough. They want to be thin
2-1/2" drives, though, else they'll stick too far out from the board.
Received on Mon Apr 17 2000 - 13:33:04 BST

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