System 6 will use HD floppies just fine. I use them all the time in my Classic.
Besides, the SE FDHD was released a good couple years before System 7. You can bet Apple wouldn't have left nearly doubling the capacity of floppies to software unavailable for two years. Scott jjv wrote: > The 800K floppies were double sided and required the hole to be > covered. It didn't matter on my apple //gs, but the mac would assume > they were 1.4 floppies and say they needed formatting. I believe OS 6 > uses 800k floppies. If you want to use 1.4 floppies, you have to use > OS 7 & up. Then both types are recognized. > > --- On *Thu, 9/24/09, Doug McNutt /<[email protected]>/* wrote: > > > From: Doug McNutt <[email protected]> > Subject: Re: Formatting floppies > To: [email protected] > Date: Thursday, September 24, 2009, 9:53 AM > > > At 09:34 -0700 9/24/09, jjv wrote: > I am not quite sure, but I believe the hole in the upper left > corner has to be covered with scotch tape. > joe > > My SE/30 using 7.5 knows how to format double sided disks for HFS > - well the last time I actually did it was a decade ago and it's > possible that I changed the disk drive sometime before that. > > In general it's never a good idea to plug that second hole though. > It's there to indicate the type of magnetic surface that the disk > is made with. The official high density two sided disks require a > higher magnetizing field than the single sided jobs and the drive > needs to know that. > > If you tell the drive to treat a double sided disk as an older > single side device it may wind up with its bits not fully > saturated and subject to failure. > > But it's worth a try to see if the SE/30 really has a single sided > drive in it. > -- > > --> Halloween == Oct 31 == Dec 25 == Christmas <-- > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/vintage-macs Support for older Macs: http://lowendmac.com/services/ -~----------~----~----~----~------~----~------~--~---
