Blogs

All members are invited to blog on Applefritter. Weblogs should generally be of a technical nature and should be written in such a way as to still be readable and useful 50 years from now. Please do not embed outside media. Images and videos can be uploaded via the Media Browser. Files should either be attached to the blog post or uploaded to the file libraries.

When you post to your blog it will appear on this index and on your personal blog page. Once you've made a few posts, contact me about having a graphic added on the top of this page.

Explore an AP-64, with and without firmware

Submitted by S.Elliott on March 8, 2023 - 8:49pm

There are a lot of AP-64 variants around, so let's explore this clone.  Nexo Distribution sold it to me as "APX-EPROM-1" in March 1988.

First, here's a close look at the firmware socket and booster circuit.

Tags: 
EPROM
AP64

Apple fest 1983 40th Anniversary Poster

Submitted by Khaibitgfx on March 8, 2023 - 3:35pm

The following file is standard poster size, and can be printed by whatever print shop nearest you.

 

Mysterious origins of the AP-64 EPROM programmer

Submitted by S.Elliott on March 6, 2023 - 9:18pm

Last December I posted in Apple II Cards about the utterly bizarre firmware of my APX-EPROM-1 Programmer, a clone of the AP-64e that was sold to me by Nexo Distribution in the 1980s.  The APX firmware changes, depending on which slot it's installed in:

 

Tags: 
EPROM
AP64

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