Apple II

Disk II won't write

I am sure this has been answered somewhere, but a preliminary search didn't turn up anything definitive.

 

I have a situation where I cannot write disks.  Disk reads are just fine.

 

For example, it goes through the motions to format (DOS 3.3 INIT HELLO) but nothing is written.

 

I have narrowed it down to the disk controller card.  Switching that out has solved the problem but what about the Disk II controller might be bad?

 

 

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Virus Search

Hey, guys! 

 

Is there anyone out there who is interested in Apple II viruses? I really need the source code for CyberAIDS or Festering Hate, or basically any of the viruses described here

 

https://www.apple2history.org/history/ah23/#08

 

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Issues Getting Apple IIGS Online with Uthernet II

BBS:I've tried using programs like Megaterm 1.1 and ColorTerm 3.5, but I've had no luck as they don't seem to support the Uthernet II. I tried using Spectrum, but it didn't show in color like I thought it would, and when I typed a character on my Apple Extended Keyboard II, it would type the character twice.

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AppleWin: keyboard joystick button?

Hi!  I really don't like the Apple2 all that much but want to play some Apple2 games.  In AppleWin, which key emulates the fire button under keyboard (cursor keys) emulation mode?

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Apple II VidHD > HDMI to DVI not working

Hey, I have owned a VidHD and used it in my Apple IIe and IIgs for a couple of years now, with a Samsung HDMI TV.

In preparation for expanding to a new retro space, I bought several Dell 2007fpb monitors as they support VGA, DVI and SVHS

I understand that HDMI and DVI are signal compatible, and that a simple HDMI to DVI adapter, or cable should get the HDMI from my VidHD to my DVI of my Dell screen.

Problem is, it does not work.

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Apple II GS issue with Adtpro

Hi

I bought a usb to mini din 8 pins cable to use Adtpro with an Apple II GS and transfer files to local disks (5.25 or 3.5). https://a.aliexpress.com/_EIzLyC4 

Note that I managed to test my Adtpro with someone's Apple II e (with db25 cable) from my Win PC 

The apple 2 Gs doesn't have any serial card so I plugged the cable in the modem port

running the process with IN#2 and ctrl A + 14B before transferring the data, nothing happens on the 2Gs

I tried the printer port but it's the same result

Am I missing something ?

 

 

 

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Disk ][ Interface replica / PCB

Hi,

 

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Frozen Signal's IOU and MMU replacement adapters.

I am starting this thread so I can ask for some feedback on my designs for an adapter for the IOU and MMU. As I mentionned in this thread:  https://www.applefritter.com/comment/110444#comment-110444, ReActiveMicro originally offered to design the hardware for the replacement adapters. However, Henry told me recently that he wouldn't be able to work on this any time soon given his lack of free time. So, I decided to revisit an attempt I did some time ago.

 

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Kensington System Saver IIgs

So I opened a used Kensington IIgs unit today and found 2 caps or varistors were damaged.  Any idea what these parts are or if there is a schematic?

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