Antonio,
I have a few upgraded //c's with the 3.5 rom upgrade. I can copy the rom and
locate the //c upgrade manual page showing what jumper to open up. However
finding my rom burner card is a slight problem. I have boxes of stuff in my
garage and basement to look through. I will look and let the board know. Are
there any Apple download sites that already have that image on file. I know the
U of Iowa had lots of downloads years ago for the Apple series computers.
Al
-----Original Message-----
From: Apple2list [mailto:[EMAIL PROTECTED] On Behalf Of Antonio Rodríguez
Sent: Friday, July 15, 2005 11:56 AM
To: Apple2list
Subject: Apple //c, 3.5" enabled version (was Re: In Search Of Source for An
Apple IIC Plus.)
What is the bridge to be cut? Could it be possible to obtain an image of the
new 32 Kb ROMs, burn them in 27xx EPROM chips, and use them to replicate the
original upgrade? I'm very interested, not only because the 3.5" support, but
also for the fix to the serial port bug (the one that doesn't let serial ports
operate at speeds higher than 300bps with many devices, included modern PCs).
Greetings,
Antonio Rodríguez (Grijan)
<ftp://grijan.cjb.net:21000/>
Nord, Al escribió:
>The //c+ has an internal 3.5 800k drive. The older //c's had a 3.5 rom
>upgrade and a trace had to be cut on the logic board. The dealers had
>3.5 stickers to place on the case to denote the upgraded rom. I have
>done 100's of these 3.5 upgrades while I worked as an Apple level one
>technician.
>
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