________________________________________ From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Fred Cisin via cctalk [cctalk@classiccmp.org] Sent: Tuesday, September 26, 2017 7:53 PM To: Ali; General Discussion: On-Topic and Off-Topic Posts Subject: Re: formatting MFM drives on a IBM PC
> > I remember at least one manufacturer >recommending it for their > > drive(s) if they were ever tilted through 90 degrees - >presumably > > there were tiny effects on the head positioning and so not >doing a > > LLF would result in problems. On Tue, 26 Sep 2017, Ali via cctalk wrote: > This was pretty common wisdom back in the day. Not quote sure how wise > it was but it was generally recommended in the magazines of the time. I > remember reading an article about it in PC Magazine. There were some interesting discussions of that when companies, such as Compaq, first started to put hard drives in portables! ____________________________________ I have never had to do that. The only boxes I ever LLF disks for were PDP-11's and VAX. And then, only once, on initial install. bill