Disk drive parts

Joe R. rigdonj at cfl.rr.com
Thu Aug 4 21:34:42 CDT 2005


At 12:21 AM 8/5/05 +0100, you wrote:
>> 
>> Gil,
>> 
>>    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 
>current IIRC.
>

   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.

   Joe



More information about the cctalk mailing list