Disk drive parts
rigdonj at cfl.rr.com
Thu Aug 4 21:34:42 CDT 2005
At 12:21 AM 8/5/05 +0100, you wrote:
>> I have a Diablo 30 and I need cables for it. I've been told that it can
>> be used with the PDP-8 but I need to find out which interface it requires.
>The Diablo Model 30 has a similar interface to the RK05, apart possibly
>for the select lines. The Model 30 has 1-of-4 selects (a bit like a
>floppy drive), the RK05 _can_ do that, or it can do 3-bit binary selects
>(this is seelcted by a pin on the RK05 connector). The former, of course,
>allows up to 4 drives per cable, the latter 8.
>Anyway, it should be possible to get it to work with an RK8E controller
>(IIRC your PDP8 is an Omnibus machine). Maybe you'll have to a add a bit
>of logic to sort out the selects, but that's not exactly difficult.
>Do you have the PSU for the Model 30? It needs +/-15V at a fairly high
No I don't. I need to find a picture of one and see if I can find one in
the pile of DEC stuff and/or find out the specs for the PSU and see if I
can find something else that will replace it.
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