Odd QIC-like tape

Tony Duell ard at p850ug1.demon.co.uk
Sat Aug 18 16:30:57 CDT 2007


> 
> On 17 Aug 2007 at 22:58, Tony Duell wrote:
> 
> > The OP might want to look at that site and follow the links for 
> > 'storage', 'magnetic tape' and 'HP9144' (or 'HP9145'). I think that will 
> > turn up a like or twon that will be helpful
> 
> Thanks, Tony.  Mystery solved.  The drive in question probably takes 
> DC600HC or DC600XTD "Iotamat" preformatted tapes.  That would explain 
> the 3M-labeled EPROM on the tape MPU board (uses an MC6800).  Well, 
> the drive will go back onto the shelf; I don't even know what the 50-
> conductor interface is supposed to connect to, though I suspect it 
> may be a cousin of a QIC-36 type.

I would be _very_ suprised if it was a 'raw' interface like QIC-36. Since 
the tapes are pre-formated, and have various markers on them, you can't 
just write an aribtrary bit pattern ot the tape (you risk overwriting the 
markers), which a raw interface would generally allow you to do.

It's much more likely to be a 'formatted' interface. With a 50 pin 
connector, my first guess would be QIC-02.

-tony



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