On Sat, 12 Apr 2014, Hoffmann-Vetter, Martin wrote: > 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 > 8250LP. > > The other question is, why use the 8250LP (and 8296D) an adapter board and > the mircopolis RRIOT if an Tandon/Matsushita RRIOT exits? On a limited production run, an EPROM is cheaper. > Question over question ... ;-) > > Martin > > > Message was sent through the cbm-hackers mailing list > wlevak@sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org Message was sent through the cbm-hackers mailing listReceived on 2014-04-12 01:00:08
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