MfM and Dll

From: Don Maslin <donm_at_cts.com>
Date: Mon Jan 11 00:39:43 1999

On Sun, 10 Jan 1999, Lawrence Walker wrote:

> I picked up an HDD made for the Atari ST by ICD. It is a shoebox form and
> has space and connectors for 2 HDs. The highly proprietory HD interface by
> Atari (ATASCI ?) is usually directly converted to SCSI in most newer HD adapter
> interfaces for STs.
> In the Atari and ICD HDs the DMA output was converted to SCSI by an ICD card
> and then to MFM or DLL. via an Adaptec 4004 (MFM) or 4070(RLL) controller.
> This one has an Adaptec 4070. The 1 drive present is a Miniscribe 3834P .
> I understand that some MFM drives could be coded by a RLL controller if
> they were fast enough, etc. I have an ST4096, which according to the specs I
> have seen is an 80 meg MFM , as well as several other smaller MFM HDs.
> According to a spec sheet the 4096 would work with Perstor Systems ADRT
> controllers to double the storage which would seem to indicate it was of high
> enough speed and quality to stand the tighter coding.. Anyone know if this is
> also true with an RLL controller or what MFM drives do work with RLL ?
>
> ciao larry
> lwalker_at_interlog.com
 
Larry, I have had good luck with any Maxtor MFM, a number of NEC 5126
drives, and even the odd ST225. In my experience, if it will accept the
low level format, it will probably work OK.

                                                 - don
Received on Mon Jan 11 1999 - 00:39:43 GMT