Apple II

Wrong power supply

I went to boot a spare IIgs and found that the aluminum power supply had stopped working. I was getting 3v out of 2 connections and less than 1 volt out of the other 2. I opened it up and was surprised to find a wrong power supply inside. A Tiger PS and except for 1 screw it was siliconed in. Probably came out of a II+ clone. Since the original PS is gone I guess I’ll put in a better replacement. I’ll likely use a Rel-70-4004 I have on hand. It’s a medical PS that puts out all the right voltages.

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'IWMless' - IWM substitution beta test launched !

Hi Fans -

 

today is the "official" launch day for the 'IWMless' beta test phase.

 

More info in post #25 of this thread:

https://www.applefritter.com/content/announcing-iwmless-iwm-substitution-call-beta-testers

 

Please note that all available beta test units have been already reserved for those volunteers who spoke up in that "call for beta testers", but if any of them drops out, you still may have a chance to get one.

 

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Apple 2e Problem video help please!

Hello everyone!

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Virtual KansasFest

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Apple IIe EF and CD ROM specs?

I've got a dead Apple IIe with suspect EF and and CD ROM's

 

342-0134

342-0135

 

I read somewhere that these can be replaced with 27C64 ROM's.  Are they 27C64 ROM's which can be read with the programmer to confirm if they are valid?

 

I've tried  reading them as M27C64 ROMs but pin 1 on both fails and if I ignore that it returns 0xFF for all addresses. 

 

So first off what chips are these and can they be read with a moderm programmer, and can they be replaced with a 27C64?

 

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Looking for an Apple II FujiNet

Hello,

I attempted to build the FujiNet matching the PCB on fujinet-hardware/AppleII/FujiApple-DevKit-Combo-Rev1 at master · FujiNetWIFI/fujinet-hardware · GitHub

Unfortunately despite testing all components, I have a hardware issue so it doesn't work.

Since I already have the flashed ESP32 module, I'm looking to purchase a functional FujiNet module in which I could just plug in my ESP32. A complete kit is possible as an alternative. 

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FujiNet - How you can help!

Hello all,

I have added a new page to the fujinet.online site showing how everyone can help the project:

https://fujinet.online/help-wanted/

-Thom

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Apple 2e PAL, self test problem.

I'v got an Apple 2e, but when i try to test it , with selftest, it stuck and it display only " Ram" without any info about ram chips.

I do not have any Apple 2 comp before, so i do not know what to do next.

Thaks

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IIe cases

I guess I never looked too closely at my stealth IIgs before. I removed the top case for the first time and found something interesting.

Since it has a later style top case I thought that the keyboard would be attached to the case but it’s attached to the baseplate. I guess the top case must be an intermediate as there’s no way to fasten the keyboard to it.

I’d thought that there were 3 top cases. The early one with the Velcro cover latches, the later one with keyboard fastened to the top case and of course the platinum IIe.

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Help with Apple iie Diagnostics.

Hello,

When I run the in-built diagnostics, I get a result of a full screen of @ symbols.

The system does seem to test the RAM first, with the normal white lines making a full white block ( the RAM also has been successfully tested on another Apple  ).

Does anyone know what the diagnostics tests in the system after the RAM? Or where the fault might be?

Thank you for your help

Peter

 

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