Possible to speed up I/O subsystem of 5150?

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Thu Dec 9 19:30:58 2004

 
> Well, original ATA was nothing more than a straight forward
> adaption of the MFM controler - and that one was still good
> for 8 Bit access. Also, there was never (at least in the beginning)

You do realise that the XT disk controller and AT disk controller are
totally different things (and have a different software interface). AFAIK
the AT hard disk controller assumes a 16 bit bus, at least for the data
transfer register.

-tony
Received on Thu Dec 09 2004 - 19:30:58 GMT