RE: Who owns a 8050/8250 with tandon drives?

From: Hoffmann-Vetter, Martin <>
Date: Sat, 12 Apr 2014 01:01:25 +0200
Message-ID: <006f01cf55d9$f87539d0$1b09a8c0@mhvnb10>
Hello William,

>>>>> It seems the Tandon is near to the Matsushita drives.
>>>> No, it's not near, your posted rom is indentically to 251474-01b.
>>>> Is that true?
>>> I compared them and they are identical.
>> Did you know from where do you have this rom content? You name it as
>> 8050_27t.seq, but without any part number. The 251474-01b seems to
>> be a later patched version. So i would say, it must be exists an
>> other tandon version.
> The ROM image came from an 8050 that was upgraded to DOS 2.7.  I
> didn't write down the part number, but there is only one part listed
> for the 8050 DOS 2.7 RRIOT.

There exists an other part number for an at this time unseen RRIOT from the
8250LP. (You know, the 8250LP use in production an EPROM with an adaper
board.) This unit use a DOS 2.7, too. But it has the RRIOT with a diabled
ROM for the Matsushita drives on the adapter board. (Any other RRIOT will
alos work.) If the control of a Tandon drive and a Matsushita drive is the
same, it's possible that anyone has upgrade the 8050T with the RRIOT of the

The other question is, why use the 8250LP (and 8296D) an adapter board and
the mircopolis RRIOT if an Tandon/Matsushita RRIOT exits?

Question over question ... ;-)


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Received on 2014-04-12 00:00:07

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