Re: Apple IIe + ProDOS = Headache

[Jeff Blakeney <CUTjblakeney@sympatico.ca>]

On 23 Jun 2004 07:00:39 GMT, Roger Johnstone <rojaws@orcon.net.nz>
wrote:

>OK, some of the information you've been given is just plain wrong, so to 
>clarify:
>
>All versions of ProDOS require 64KB (1), no version requires more than 
>this. Some people say that ProDOS 2.0 requires 128KB, most likely 
>because the utilities that came with it required 128KB, but ProDOS 2.0 
>itself only needs 64KB.
>
>All versions from 1.0 to 1.9 will run on any Apple II (2), including the 
>original Apple II, the II+, any version of the IIe, IIc and IIGS.
>
>ProDOS 2.0 and later require an Apple II with a 65C02 processor. There 
>is no other new requirement, so it will still run even on an original 
>Apple II as long as it has had the 6502 CPU replaced with a 65C02.
>
>
>(1) Except ProDOS 1.0 which would boot on a 48KB II or II+, but you 
>couldn't run BASIC, and Apple dropped support for 48KB computers with 
>ProDOS 1.1.
>
>(2) ProDOS 1.3 accidentally included a 65C02 instruction in it which 
>could damage disks if run on a computer with a 6502 CPU.

First, thank you for posting these corrections.  It saved me the time
of having to do so but in that last line you did mean:

     could damage disks if run on a computer with a 65C02 CPU.

right?  :-)

Don Bruder handled correcting the only other point you didn't in your
post about the double hi-res jumper.

-- 
 Jeff Blakeney - Dean of the Apple II University in the
                 Apple II Community on Syndicomm.com
 CUT the obvious from my address if you want to e-mail me