BTW, have you replaced the emergency head retract batteries and/or allowed them to reach full charge?
Marc On Sat, Apr 1, 2017 at 2:01 PM, Fritz Mueller via cctalk < cctalk@classiccmp.org> wrote: > > > On Jan 5, 2017, at 8:48 AM, Rick Bensene <ri...@bensene.com> wrote: > > > > The method I've used very successfully for unknown packs is: > > > > 1) I first mount the pack in a drive that has a good absolute filter, > > and has had the head load disabled, and spin it for a few hours. > > I’m getting to the point in my RK05 restore where I’m about ready to try > spinning up a pack so I can work through the various offline dynamic > checks. I have a pretty clean looking pack to start with (has been stored > in plastic bag, etc) that doesn’t have any particularly valuable data (just > an RKDP backup, according to the label, and I have the original as well). > But I thought it’d be prudent to give it a clean first anyway just in case. > > In step one of the process quoted above, is it enough to put the toggle on > the servo amp board in the down position to disable head load? Or is it > best to disable head load in some other way (e.g. jumpers on the backplane, > or disconnecting any particular cables?) > > thanks! > —FritzM. > >