Re: Re: WTD: tandon 603s or 602s

From: André Fachat (
Date: 2006-07-02 10:02:45

Besides, has anyone 9090/9060 schematics of a higher quality than
those that are on Those basically are block blobs
with lines.... :-(

> My interest was in reverse-engineering the ROMs to the point that I
> could try to re-write the SASI command building code and bypass the
> SASI<->ST506 board (I have a spare DOS board that started off my
> initial interest in these drives), so I could use a modern embedded
> SCSI drive (I paid $70 once to have a TM602S factory refurbed - nobody

I'd also love to find out more about this, but with unreadable schematics... On the other hand: If really an SASI board is used, 
then the DOS does not need to know about drive schematics - the 
SASI-to-ST506 needs to know that. Is that a 6502-based board, or
is it programmed by the main DOS CPU?



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