Apple II

IIgs Diag Failing a Working Mouse

Submitted by nick3092 on May 1, 2022 - 8:32pm

I was working on repairing a CRT for my IIgs today, and was using the video patterns on the diagnostic disk. Once I was satisfied with the monitor, I figured why not run the whole suite of tests for grins.

 

 

Everything passed, except the ADB mouse test. It just says it failed and to refer to the service procedures.  Except if I boot up GSOS, the mouse works perfectly fine. The keyboard passes it's test no problem. 

 

 

Does anyone by chance know what exactly it's trying to test? And more importantly, why it's failing a mouse that is infact working?

Forums: 
Apple II

IIc ROM Upgrade - why not?

Submitted by desertrout on May 1, 2022 - 7:02pm

Curious to hear folks' opinions on why to stick with ROM 255... the only reason I can think of is 'originality'... but I'm loving the functionality that the 4X gives. So conflicted...

Forums: 
Apple II

Apple II Rev 0 clone build

Submitted by DDE on May 1, 2022 - 4:21pm

For those interrested, the youtuber ShadowTron Blog has begun a series on assembling a clone Apple II Rev 0.

So far part 1 & 2 are posted.

https://www.youtube.com/watch?v=gvNmt3HUwrc

 

-DDE

Forums: 
Apple II

Mitac AD-1 (Disk II clone)

Submitted by Lee_Adamson on April 30, 2022 - 11:28am

I assume this thing isn't rare and valuable or anything?  I plan to use the enclosure with the Disk II Floppy Emu faceplate kit, but I figured I ought to ask around before I gut it.

 

It uses a Sugart 390 mechanism.  Slightly different than what is in my real Disk IIs, but looks to be electrically the same.  Analog board appears to be a clone of the Apple one.  Case has different vent slot placement, but otherwise appears identical to Disk II.

 

Forums: 
Apple II

Apple IIe Color is wrong

Submitted by schafferm on April 27, 2022 - 8:29pm

Hi

 

I have an Apple IIe where the color's are not correct.    Please see my image below - 

 

Of note, I've tried two different LCD's and different cables as well as a different IIe -  

 

They ALL work as expected except for the problem IIe - so this is not a LCd/monitor/cable issue.

 

I've replaced the PAL/HAL - with a know good one and the problem persists .   Any recommendations on what to look for here?   

Forums: 
Apple II

Expansion module memory for Apple II europlus??

Submitted by AppleWoz on April 27, 2022 - 10:38am

hi guys, do you think it is possible to adapt this ram expansion module on apple II europlus?

Forums: 
Apple II

Jim Sather info

Submitted by jeffmazur on April 26, 2022 - 12:36pm

Anyone have info on James Sather? I'm trying to re-connect with him and can't find any recent contact info.

Forums: 
Apple II

Building a New Apple II

Submitted by a2fan on April 25, 2022 - 11:45am

Hello,

I was recently watching Action Retro on Youtube and saw he had a new IIe case and keyboard he put a GS motherboard in. It got me thinking about if it was possible to build a new Apple IIe. So the case and keyboard can basically be covered with new products being made, as can the power supply and expansion cards, but what about the motherboard? I see there is a new II+ motherboard for sale, but why no IIe motherboard? Is it much more challenging to make? Would it be possible to add enough upgrades to a II+ to essentially make it a IIe? Looking for advise or thoughts.

 

Forums: 
Apple II

A few Apple II Rev0 questions

Submitted by mochatea396 on April 23, 2022 - 7:28pm

Hello fellow members,

Forums: 
Apple II

Repairing Liza Loops Apple ll PSU

Submitted by mrtitanic777 on April 22, 2022 - 8:45pm

Hey everyone,

 

So back in September, 2021 I was working for Liza Loop, and I was working on her Apple ll Rev. 4 Unit, and the whole rest of the computer works, EXCEPT for this PSU. I decided to fix it for her. But I need a schematic too see how it works, and I have been unable to locate a manual for schematic for this PSU. It appears to not be the mornally used PSU in the Apple ll Plus units as well as the later Apple lls...

 

Heres some photos of it.

Forums: 
Apple II

Pages

Subscribe to Apple II