
This blog post will be the first of two detailing how I've chosen to load software on my Apple IIc from a modern SD card solution.
The first thing to decide is what solution to use. There are several to choose from, but having a IIc (instead of a IIe or II+) makes the choice a little easier. The IIc doesn't have internal slots. But it does have an external disk drive port. So I decided to go with a FujiNet, which has the option of plugging in to that external port. The good thing about this solution is that it leaves the IIc stock. It can still boot off floppy disk if desired. I got lucky to find a used FujiNET for Apple from a user on AtariAge.
BUT....the external floppy port on the IIc does not work on the first revision ROM (called ROM 255). Using a PEEK command, I determined that (of course) mine had the bad original ROM 255. Dang it! Fortunately, updating the ROM isn't difficult, and that's what this blog post is about. I ended up ordering ROM 0 from a nice fellow in New Mexico via ebay. He has several choices for the word that shows up upon initial boot. I chose "CANADA". Why? I'm not sure other than I like our neighbor to the north. The package arrived a few weeks later with instructions. I also did a little research on YouTube. It isn't too hard. I had to cut one trace with an exacto knife, close another trace with solder, and then replace the ROM chip. I'd say it rates about 1 out of 5 stars on the difficulty scale for anyone that is comfortable soldering. Took me about 30 minutes total.
Once done, I booted up the machine. It worked! ROM 0 also comes with a built in diagnostic mode (hold down both apple keys while booting). Mine came back "SYSTEM OK". Great! Next, I plugged in FujiNET. That works too! And that's where this blog post ends. Next steps are to print out a manual for FujiNet and learn how to use it properly.
Some pictures of the procedure:
First up, the "before" pic. Getting ready by reading the instructions and watching youtube.
Next, my machine open and ready for surgery.
Soldering station heated up and ready to go
My work...trace W1 cut. Trace W2 closed. New ROM chip installed
Oh Canada! It works!
The PEEK command shows I'm now on ROM 0.
System OK! This is good news.
And finally, FujiNET works!
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