Apple II

Creating an Apple IIGS

Submitted by Austin_iigs on May 27, 2024 - 9:47am

Hey guys, this is my first topic, so thanks for replying!

I'm a computer-and-coding type of guy. I code in like 6 different proggramining languages, but I thought, hey why not try to get my hands on one of those old Apple IIGS that we all used to love. So, I've been doing lots of research and creating a whole document with the parts I'd like to buy and use. Do you guys have any feedback on things I should/shouldn't get?

Here's the parts:

 

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Apple II

another unvented II

Submitted by dorkbert on May 27, 2024 - 1:41am

Looks like it's missing some parts. This is the third unvented II (S/N 119) I've seen in 35 some odd years on fleaBay.

The two other were S/N 5 and S/N 25.

(listing deleted. looks like afraudulent listing)

 

 

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Apple II

Baffled by Rev 3 Motherboard

Submitted by old_hitech on May 25, 2024 - 9:48pm

I purchased a Rev 3 motherboard on eBay with the hopes of installing it in my original Apple II. I currently have a working Rev 4 motherboard in the Apple II. I started by testing all the ICs that came with the Rev 3 row by row by placing them into the Rev 4 motherboard. I was able to find one or two bad ICs this way. During this process I had placed the ICs removed from the Rev 4 MB into the Rev 3 MB so I had known good ICs in the Rev 3.

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Apple II

How to disassemble hand controler apple ][+ A2M0054 ?

Submitted by Gsprod on May 24, 2024 - 3:26pm

Who knows how to disassemble Apple A2M0054 hand controllers to repair them ?

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Apple II

A2Pico

Submitted by ol.sc on May 24, 2024 - 12:14pm

The A2Pico hardware comes in two flavours: SMD and TH, see https://github.com/oliverschmidt/a2pico for details.

The other day, the design files for the most recent TH variant were published, see https://github.com/rallepalaveev/a2pico/tree/main/A2Pico.v2.6

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Apple II

Retronaut: The Apple II: CH03 - The Apple IIc, Apple IIgs and the Apple II's Legacy

Submitted by Chris T on May 24, 2024 - 8:25am

The Apple II: CH03 - The Apple IIc, Apple IIgs and the Apple II's Legacy

Entering the mid-eighties, 8-bit Micros, such as the Apple II were becoming a little out-moded.So what could Apple do, to keep the Apple II range fresh?

 

Well, hows about two very different machines?One which re-invented the Apple II as a mobile powerhouse, for office and home.Whilst the IIgs, literally re-invented the Apple II as a new 16-bit computer,to go into battle with the Atari ST and Amiga computers, which had set the home micro scene on fire.

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Apple II

Retronaut: The Apple II: CH02 - The Apple II+ and Apple IIe

Submitted by Chris T on May 20, 2024 - 4:29pm

It's 1977, the Apple II has launched and is a big hit. It has issues, but Apple is up to the challenge of taking their fledgling new computer to higher levels.

Learn how they addressed its short-comings in and how these innovations lead to two new and much loved Apple II models, the Apple II+ and the Apple IIe.

But it was not all plain sailing.

Decisions made soon after the Apple II's launch, would lead to Apple striking out on a new project to replace the Apple II, the Apple III.

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Apple II

RFI keyboard repair (ITT Snap-Action Array)

Submitted by radventure on May 20, 2024 - 1:17am

I've unfortunately purchased a "slightly" incomplete RFI ketboard (beige backed PCB). It was without encoder, as there are a few new replacement options for those. However it was expected that the keyswitches/snap-action arrays would all be intact. I should have known something was up when I noticed a missing screw (as the plastic thread in the keboard frame directly below was broken apart) when removing the pcb for cleaning.

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Apple II

Most items OK but Apple IIe won't boot

Submitted by applesharp on May 16, 2024 - 10:39am

Hi all,

as an old Apple//e enthusiast, I'm happy to join this forum I've been looking at for months. Now that I just bought a machine a few weeks ago (at last! a PAL version)...it fails. Symptoms are :

- Power LED on, no beep (some random cracks sometimes), random characters on full screen (when RAM installed) or complete solid white screen (if RAM pulled out).

After reading as many posts as possible in this forum, here's what I did already following "Sams Computerfacts troubleshooting guide" :

- PSU seems ok (recapped RIFA) : +5.2V, -5V, +11.85V, -11.5V

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