12 Jan
2007
12 Jan
'07
5:48 p.m.
Well, the subject: line says it all really, but I'd better explain if
only to avoid the 'You should be able to figure it out for yourself' (I
could, if I have the drive) and the 'Most of it's the same as the drive
in an HP9830' (it is, but it's the different bits I am interested in)
type of replies.
I've bought a few interfaces for the HP98x0 series of 'calculators' [1].
One of them is the interface for said tape drive, it's a single PCB
containing about 10 TTL chips. What I am looking for, though, is a pinout
of the interface connector on the drve iteslf so I have some idea what to
expect on the end of this interface's cable.
[1] They're called 'calculators' to get past the purchasing depatrments
of the time. They're really computers -- the 9830 in particular
programmed in BASIC, has an alphanumeric display and supports HPIB and I
believe a hard disk. Other machines in the family (9810 and 9820) are
more like calculators, but haev the same bit-serial 16 bit proceessor, etc.
-tony