Possible to speed up I/O subsystem of 5150?

From: Brad Parker <brad_at_heeltoe.com>
Date: Thu Dec 9 15:02:13 2004

"Eric Smith" wrote:
>Steve Thatcher wrote:
>> considering that the ATA-1 spec included 8 bit transfers from the
>> harddrive, I don't understand why no IDE drives that supported ATA-1 would
>> not work on a PC/XT (unless the DMA speed was the problem).
>
>I wasn't aware that 8-bit was included in ATA-1; I don't have a copy of
>ATA-1 or ATA-2. Was the 8-bit support mandatory or optional? In any
>case, it was certainly gone by ATA-3. I very much doubt that any ATA
>drive manufactured in the last 15 years has 8-bit support.

I'm out of my depth here, but I am curious - all of the CF drives I use
support 8 bit access. I thought they were somehow "ATA compliant". I
assume you're talking about the interface between the drive and the
controller, right?

sorry if I'm lost - it happens :-)

-brad
Received on Thu Dec 09 2004 - 15:02:13 GMT