Apple II

Apple IIgs os questions

Submitted by hyprstorm on February 6, 2020 - 2:19pm

So, i have a iigs but it doesnt have a keyboard or mouse. When i get those, what do i need to run gsos? Do i need to download gsos onto the computer through floppies or is it already downloaded? Do i need a boot disk to just run gsos?

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Offloading collection of hardware, software, magazines, and books

Submitted by ZenicReverie on February 3, 2020 - 10:00pm

Cross posting from AtariAge's Apple forum as suggested. I'll keep both threads updated.

 

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Apple II

copying DOS-Master image

Submitted by namachari on February 2, 2020 - 9:05pm

Hi All,

Many years ago I created a DOS Master 1.7 image for use with my CFFA (Not CFFA3000) card. The initial setup of the image was done by Vince Briel, but I extended it to contain 100 DOS 3.3 games, and changed the splash screen to be all caps for those with ][ or ][+ machines. It took me quite some time to collate everything, as you can imagine. However, in the end my disk image was somehow 64mb in size, and not the standard 32mb partition size. I think I maybe made a mistake somewhere along the way, possibly with Ciderpress. 

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Removing the AMP power connector from the power supply wires

Submitted by Corey986 on February 1, 2020 - 5:53pm

Is there an easy way or a special tool like they have molex
Pins to remove the wires from the AMP power connector on an Apple II supply? I have to transplant the connector from one supply to another and don’t want to break anything.

Thanks,
Corey

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Apple II+ @@xx still showing after much much testing

Submitted by KLund1 on January 31, 2020 - 5:52pm

Hello,

 I have an AII+ that boots to a @@xx  repeating vertical bar screen. The computer is currently in a 16K, no card, config I think is best for testing. I pulled the other 2 top rows of ram, and the additional 16K card.

I have tested the PSU output and some continuity with a multimeter under load  doing:

-------

RESET on 6502 pin 40 should always be 5V while the machine's running. Clock on pin 37 (phi2) should be around 2V.

Voltage-wise check for:

5V pin 8 65025V pin 24 ROMs5V pin 1 411612V pin 8 4116-5V pin 9 4116

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Apple II+ SN74194N vs 74LS194

Submitted by KLund1 on January 30, 2020 - 9:57pm

I have a broaken, right at the casing too close to solder, leg SN74194N and I do not have any extras. Can I use a 74LS194? I can get a few at a store about 1/2hr away for $2. Or the only sn74194s's I can find are expensive or come from europe and take weeks to get here. Or is there another option?

Thanks

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Can anyone help with keycap replacements for an apple IIc?

Submitted by Verault on January 30, 2020 - 10:59am

Hi I am hoping someone can help me out. I have an apple IIc keyboard I want to repair. See the photo, its missing some keys and all the spacebar hardware. I need the Z, M,<, ?/,[Right arrow key], and closed apple key. Thats 6 keycapsYou might notice the left arrow is all askew, the switch is badly broken so I need one switch that looks like the switch I sent in the other photo.I also need the spacebar, the two alignment tabs under the spacebar, the metal stabilizer bar for the spacebar.Id love to buy from just one buyer if they can cut me a good price.

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Apple IIgs ROM 03 system bad error

Submitted by Verault on January 29, 2020 - 9:26am

I have two ROM 03 Apple IIgs systems that give intermittent errors "SYSTEM BAD 06010000" From what I looked up it seems to be an issue with the built in SERIAL IC on the main board.Is that correct or is the issue something else? My concerns are system stability. IF I disable the modem port in the control panel and add a super serial card will the system work as intended sans the on-board serial components? Would that create a functioning machine? Two ROM 03 machines thrown away would be a huge waste, I am trying to get some use out of them.

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Places to buy New Hardware for Apple IIs

Submitted by CheshireNoir on January 29, 2020 - 6:07am

Hey Folks,

As my background is mostly with Commodore gear, I'm used to buying from a range of resellers of interesting tech for the C= range. Virtual FDDs (A variety are now available), FPGA video chip upgrades, replacement components for parts that are no longer commonly available, new cartridges. That kind of thing.

 

I assume similar shops exist for Apple. I've found "Big Mess of Wires", but haven't seen much beyond that.

 

What else is there out there? Who's selling interesting bits and pieces?

 

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