3.5" Drive for Apple ???

From: Doug Spence <ds_spenc_at_alcor.concordia.ca>
Date: Thu May 14 04:10:50 1998

On Wed, 13 May 1998, David Williams wrote:

> Early versions of the Apple //c didn't have the support for 3.5"
> drives. Mine is like that. You can check which version of the //c
> you have by going into Applesoft and doing a PRINT PEEK(64447). If
> it returns 255 then you have an original //c. The tech ref shows 3
> basic versions and their ID bytes as follows:
>
> Original //c : ID Byte = 255
>
> UniDisk //c : ID Byte = 0

Mine returns 0, so this is the one. It should support 3.5" drives, though
possibly not the one I've got.

> Added 3.5" support
> Increased ROM to 256K
                         ^^^^ You've GOT to be kidding me!

Unless it means "ROMs that will support 256K of RAM".

<snip>

Doug Spence
ds_spenc_at_alcor.concordia.ca
Received on Thu May 14 1998 - 04:10:50 BST