8-bit IDE

From: Richard Erlacher <edick_at_idcomm.com>
Date: Sun Apr 16 09:18:51 2000

Recently, as part of my effort on an S-100 "hard-card" using a 2-1/2 inch ide drive, I've been revisiting the 1994 standard for the ATA interface. There's a not-too-detailed mention of an 8-bit mode which is set up using a bit in register. This feature was apparently obsoleted as of 1996's standard.

Have any of you folks had contact with this feature as part of one or more of the standards? I know the original version of IDE as implemented on Compaq drives was 8-bits wide. However, once the ATA approach to HD interfacing became popular the 16-bit version won out.

Has anyone on this list dealt directly (not through the BIOS) with 8-bit IDE drives of 2-1/2" size? ... Any size at all?

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Received on Sun Apr 16 2000 - 09:18:51 BST

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