FW: Writer wants to quote users

From: Don Maslin <donm_at_cts.com>
Date: Sat Jul 25 15:33:55 1998

On Sat, 25 Jul 1998, Tony Duell wrote:

> > So, can a standard XT controller be used for 8" drives?
>
> Not normally. The 8" drive uses the higher 500kbps data rate, not the
> 250kbps used by 360K and 720K (=XT) drives. However, I got a multi-IO
> card using a UMC disk controller and replaced the chip with the
> AT-compatible version. Also had to change the crystal, and kludge the
> addressing logic. Took about 30 minutes, including reading the UMC data
> book.

Tony, I assume you refer to the UMC8398 - the 48-pin package. Do you
happen to know if this has the same pinout as the NS8473?

                                                 - don
 
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Received on Sat Jul 25 1998 - 15:33:55 BST