Re: Can Apple //c Use 3.5 Drives?

[Chad Choi Lin <chadlin@nyetcom.com>]

Brian A. Davis wrote:

> Hi,
>
> I was just given an Apple //c computer. Having gone from an Apple ][ to an
> Apple IIgs, I know nothing about the //c model.
>
> Can the //c use a 3.5" disk drive?

The answer is "yes -- if you have the right version."  Straight from the Apple
IIc Technical Reference Manual, here is the test for checking your version of
the //c:

> You can tell which Apple IIc you have by checking the value of the ID byte
> at ROM location 64447 ($FBBF in hexadecimal). The value of this byte is
> 255 ($FF) in the original Apple IIc, 0 ($00) in the UniDisk 3.5 version, and

> 3 ($03) in the memory expansion version.
>
> * _Checking_the_ID_byte_: You can check the value of the ID byte from
> Applesoft by typing PRINT PEEK (64447).

To put it simply, as long as you don't have the original //c, you're in
business.

> I was also wondering whether the //c can use the AppleColor RGB monitor
> (from the IIgs) for output?
>
> Thanks for any help.
>
> Brian

Probably yes -- but you'll need an RGB video adapter to make it work. If any
of the regulars can point Brian in the right direction (or correct me if I'm
wrong), please do so!

Peace, Love, and Apple II Forever!
Chad Choi Lin
chadlin@nyetcom.com

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