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I have an atari 800 that had a switch with the wires broken just under the cartridge cover and a pushbutton on the right side panel. I'm trying to figure out if this is a repair or some sort of freeze/reset mod. The 2 wires on the first pic go to the button on the side. The wires on the chip...

I will absolutely try that. Thank you so much for the tip.

I just wanted to say that I appreciate your site so much. I have a trackstar 128 and the info has been amazing.

So far no symptom changes, but this is what I've done so far. I swapped the entire daughter board at the bottom. Did not make a symptom difference on either machine. Swapped CPUs and roms. No symptoms changed. On the second one, I checked all 24 ram chips. That's about as far as I've gotten.

Before I start tearing things apart too much, I would see if either of these screens show any particular common fault on these machines. Thanks in advance!

I just wanted to chime in and thank you for the awesome explanation. I'm a big fan of your work.

Whoa. Thanks for this. So these boot settings... OR - change the Boot Settings -> Number of Floppy Drives from Auto to 4 OR - Boot Settings -> Default boot drive - change from 80h to 82h They're on xub right?

https://github.com/skiselev/monster-fdc/blob/main/User_Manual.md

I will have to check the r624 part. As far as the other part. That's my issue. Sergey's documentation says What's a "newer" dos version. I'm using DOS 6.22 and getting the behavior he says should not happen. I've confirmed this behavior on 4 motherboards and had a second person with the...

Oh sorry. Yeah. If mine isn't the latest, it's the second to latest. Plus I've used 2 cards. One I just got off ebay and one I built and flashed myself.

I'm guessing you mean XUB but I don't know what that is.

Please excuse my ignorance. latest version of what? I will add that there is a separate set of bugs with the FD Bios where it wouldn't even boot in an 8088 machine until it was rolled back to 2.4

In my case it tries to boot to the third floppy drive as if it's the hard drive.

Thanks for that. I will give that a shot. I need to see if there are options for that boot menu, mine zips past it pretty quickly.

To give a little more context, I've tried this in about half a dozen machines now and I can get all 8 drives working, but never with a hard drive of any kind, which makes it pretty useless to me. I have to be missing something obvious. I've tried every combo of FDC 1 and 2 and DMAs and rom...

Hi, I have Sergey's card and an XT-IDE in my 486 system. It doesn't seem to matter if I configure drives 3 and 4 on the second FDC or the first, it appears as though it's trying to make my 3rd drive Drive C, which is preventing my XT-IDE from booting. The documentation seems to suggest that...

Do you have a list of the machines you have for sale?

Thank you so much.

I absolutely well. They'll be relatively cheap. I hate shipping stuff but it can be done. I need to go over the pittney bowes one. I think it needs a battery (had a 2032).

That's a good call. I've definitely considered just doing retro stuff. Your very right. My retro stuff drags down my channel but it's where my interests lie. My channel has always been me doing whatever is on my mind at the time. Which definitely breaks the youtube machine and is why my...