Resurrecting RK05

Robert Jarratt robert.jarratt at ntlworld.com
Tue Jan 6 15:36:15 CST 2015



> -----Original Message-----
> From: cctech [mailto:cctech-bounces at classiccmp.org] On Behalf Of tony
duell
> Sent: 06 January 2015 19:32
> To: General Discussion: On-Topic Posts
> Subject: RE: Resurrecting RK05
> 
> 
> 
> > That's a good idea. It should load heads with no problem, but should
> > not be able to read or write. I would suggest going through all of the
> > servo adjustments in the PM procedure but would advise you NOT do a
> > head alignment.
> 
> Can't some of the servo adjustments affect the exact point at which the
servo
> locks?
> In other words you should really do a head alignment after adjusting them.
> 
> Whatever you do don't put the alignment disk in as the first pack you try,
for
> very obvious reasons!. But if you have an alignment disk I see no reason
not to
> do the head alignment -- after you are sure the drive is OK.
> 
> What I would do is to make sure it will spin up with a 12 sector pack (as
those
> are
> common) and the heads fly, etc
> 


It is good to know that RK05 packs for the PDP11 are common. I have an RK05
drive for my 11/45 but no packs. It is going to be a while before I get this
machine going again, but if anyone in the UK has suitable packs they might
be prepared to part with, it would be good to hear about it.

Thanks

Rob





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