Resurrecting RK05

[Ian S. King]

Keep in mind that the drive has an internal selector for drive number.
Something tells me that a competition between two drives would not be a
pretty thing.

On Tue, Jan 6, 2015 at 1:36 PM, Marc Howard <cramcram at gmail.com> wrote:

> I would definitely replace the foam around the squarish tube that supplies
> air to the pack.  That's the worst place for a foam particle to break off.
>
> On Tue, Jan 6, 2015 at 10:59 AM, tony duell <ard at p850ug1.demon.co.uk>
> wrote:
>
> > >
> > > I am also wondering, that since I have very few PDP8-sectored RK05
> > packs, and a ton of PDP-11 sectored
> > >  packs, if , when I first power up the drive after it has been
> connected
> > up to the RK8E , I can put one of my PDP 11 > packs in there and spin it
> > up, if the controller will be able to load the heads?    I'd much rather
> > sacrifice one of
> > > these packs if there are problems rather than risk one of my precious
> > PDP-8 sectored packs.
> >
> > An RK05 will spin up and load the heads without a controller. It is a
> darn
> > good idea to have a terminator
> > fitted (otherwise noise on the interface lines can do interesting things,
> > like cause write glitches, don't ask
> > how I found that out).
> >
> > It does need a pack with the slotted hub so that the drive electronics
> can
> > tell the drive is up to speed before
> > it tries to load the heads. But obviously a 12 sector (PDP11) pack will
> do
> > for that.
> >
> > So yes, you can use a PDP11 type of pack to see if the heads will fly
> even
> > though the drive is on an RK8/E
> >
> > -tony
> >
>



-- 
Ian S. King, MSIS, MSCS
Ph.D. Candidate
The Information School
University of Washington

An optimist sees a glass half full. A pessimist sees it half empty. An
engineer sees it twice as large as it needs to be.