Re: Source for IIGS system disks

[Roger Johnstone <rojaws@orcon.net.nz>]

In <41d0929d$1@news.uow.edu.au> David Wilson  wrote:
> a2user@noemail.nonet (a2user) writes:
>>Small correction.  That would be Double Density 3.5" disk/drive, not 
>>low density. I believe low density would refer to the 400K drives the 
>>original Mac 128K used. By the time the Apple IIgs came out in 1986, 
>>Apple had switched all their 3.5" drives over to the 800K (720K for 
>>the rest of the computing industry) Double Density 3.5" drives.
> 
> Even smaller correction. The 400KB 3.5" diskette is Single Sided 
> Double Density. I do not believe that 3.5" diskettes ever came in 
> Single Density versions, just Double, High and Extra densities [720, 
> 1440 & 2880 KB formatted on a PC].

There were third-party 3.5" drives available for the Sinclair Spectrum, 
and probably other home computers, which only stored about 180KB on a 
disk. I suspect they used a standard IBM PC-style double-density disk 
drive though, but used them at a lower density to simplify the drive 
controller.

-- 
Roger Johnstone, Invercargill, New Zealand
http://vintageware.orcon.net.nz/
________________________________________________________________________
  No Silicon Heaven? Preposterous! Where would all the calculators go?

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