Den lör 2 jan. 2021 kl 11:48 skrev Rob Jarratt <robert.jarr...@ntlworld.com >:
> When that has happened to MFM disks of mine it has been because for one > reason or another the heads have not moved and found track 0. Why they > aren't moving could be more than one reason. They could be stuck, or there > could be some other problem that is preventing them getting the power > needed to move. > Did you solve the problem? How? I have heard that Micropolis 1325 is prone to have a problem with a rubber bumper that sticks to the head mechanism. Maybe it is the same for this Micropois drive? What resolutions are there to this type of problem? /Mattis > > Regards > > Rob > > > -----Original Message----- > > From: cctalk <cctalk-boun...@classiccmp.org> On Behalf Of Mattis Lind > via > > cctalk > > Sent: 02 January 2021 08:59 > > To: General Discussion: On-Topic and Off-Topic Posts > > <cctalk@classiccmp.org> > > Subject: ICL PERQ 2 T2 Micropolis 1303 spinning down. > > > > I have a nice ICL PERQ 2 T2 that I am going to start working with now. > > > > First thing was to try to image the hard drive. It is a Micropolis 1303. > It spins > > up but when it reaches what I think the correct speed it immediately > spins > > down. Usually I think there would be a click and then the heads would > > recalibrate. But there is no click and no head movement. > > > > I really would like to make an image of the drive. What are your > thoughts? > > Are the heads sticking? > > Some kind of solenoid that is not releasing the heads? Not properly up to > > speed? (but it sounds like the speed is right) > > > > /Mattis > >