Ah, yes. Of course. I was thinking of a manually operated switch during my synnaptical connection lapse. :)
I never had cause to make the 1.4 MB disk look like an 800 K, so it escaped my reason. Awesomely useful pictures, BTW. Mw On Feb 11, 2009, at 1:36 AM, Matthew S. Carpenter wrote: > > ....The switch is in the drive.. at the front, inside the drive > slot.... > little buttons. > > At the top of an HD disk there are two holes.... the write protect > hole > which when opened enables write protection, and the High Density hole, > which is there to tell the drive that the disk is HD... > > The HD switch in the floppy drive will be pressed down if this hole is > not present, telling the drive that the floppy is a DD floppy. If the > hole is present, the switch button will just go through the hole and > not > be pressed, telling the drive that it is an HD floppy > > <http://dl.uncw.edu/digilib/chemistry/computer%20applications/hardware/chpt01c/floppy%20disk.gif > > > > > -Matthew S. Carpenter > "Yarg!" > > Matthew Wheeler wrote: >> Is this switch on the drive or the disk? I'll be embarrassed if I've >> never seen one of these. >> >> Mw >> >> On Wed, Feb 11, 2009 at 12:53 AM, Bob C. <[email protected] >> <mailto:[email protected]>> wrote: >> >> >> The original 800K Apple diskette drives had one switch to detect >> whether the >> disk-lock window was open or closed. >> >> The 1.4MB FDHD or "SuperDrives" had two switches, one for the >> disk-lock-detect, and one to detect HD diskettes (the "extra >> hole"). In >> fact, the presence of the two little switches at the front of the >> drive is >> the easiest way to determine if it's a 1.4MB drive. >> >> >> ----- Original Message ----- >> From: "Matthew Wheeler" <[email protected] >> <mailto:[email protected]>> >> To: <[email protected] >> <mailto:[email protected]>> >> Sent: Tuesday, February 10, 2009 11:18 PM >> Subject: Re: 800k 3.5" disk drive for PowerMac 7100 >> >> >>> The switch that was mentioned earlier was not an HD switch, but >> a disk >> lock. >> >> >> >> >> >>> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to 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] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/vintage-macs?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
