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Well the green / activity led is off when there is power on the Atari. When only the Sdrive has power the green led is on. If this is ok and can't do any harm it is no problem for me. It does blink on activity / loading a game. Here is a photo of both Arduinos. The one on the left is the working one and the one on the right is the one I tested on earlier. Both boards seems identical but only the text next to the second and third hole from top on the left are different. I tried both IOREF and 5v and they both act the same. I marked the 3 holes I used and which are the same in the instruction video. What is wise to do on the left Arduino?

Who can tell if this is normal behaviour? If so I can finally finish my sdrive max. By the way on my other arduino print the text next to the hole I should use for 5v says something different than 5v. If I use it it works and makes no difference to the other 5v hole.

I had a busy week but today I finally had time to make a new set of wires. I twisted the wires on the pins of the screen. I think it works like it should. I use external power. When I put power on the sdrive max both leds go on. When I put power on my Atari the green led goes off. When i load a game it starts blinking. When loading finishes the led goes off. The last part is normal i guess. But is it also normal that the green / activity leds is on When only the sdrive has power?

Well I destroyed an Arduino. And I want to keep the other one working. I will try it later with safe wires.

Ok I see. The way I did it it isn't possible. Or maybe twist the 3 wires on the pins of the screen that go into 5v, gnd and rx? I think that you don't have to push the screen all the way down? It works like on the picture. If I make sure the wire stays away from other pins I can try. But on the other hand I'm not that keen to experiment with my working sdrive.

Ok but with this you can't put the screen on. With screen it is possible to load a game to check the activity led.

Maybe the sio switch has to do with it?

Is this allowed? I can put this on the working arduino. Maybe I see the green led blinking them? I only can not test it with screen to load a game..

Ok. A lot I can do with that. But I realy have no clue how to use a multimeter. Only some very basic things. I can do the leads from print to led to see if the connection works. I know how to do that. But also you only replied to one thing in my previous post. What about the behaviour of the onboard leds when i compared the 2 arduinos? Does that suggest that things might not work properly? And if so what are the changes when I connect everything to the working arduino that it will work? Is it possible to connect it to that one without having to solder first? Putting the wires in the holes for the screen maybe? And i don't think that there is a problem with the led itself because I used 2 different ones. Is it possible that it doesn't work anymore because I did it wrong at first? When the led was constantly on? And what about the omboard and 3rd led that blinked when putting power on and not with switching off?

Yes i have a multimeter. And yes the minus goes to RX, shorter leg of the led / diode. The longer leg of the led goes with a 470 Ohm resistor to the 5v. It does not blink when I disconnect the power. However the one that can be connected to the uno2sio board blinks when putting power on. Like i said before the rx led on the arduino doesn't blink as well. But this aduino has a problem. So i was curious about the still working unit. I looked at the onboard leds and when i put power on 3 onboard leds go on and one is going off again. It was not the rx led. That one does nothing. I took a closer look on the other arduino and it turned out that 2 go on and one goes off. So I think this shows that you can't rely on this arduino according the leds. I enclosed 2 small clips what happens when I put the power on. By the way the blinking one is L and the 2nd that stays on is TX. And that one does nothing on the arduino I use for testing. Can it be possible that it doesn't work anymore because I made the mistake with connecting the wire earlier? I think myself that if i connect everything to my working arduino it works just fine. I only wanted to test everything with the broken one. Length of wires. Fitting in holes etc so i know how to do it on the working arduino without making mistakes. But I have the right resistors and wires, only need the same leds I used last time in smaller size. I think that I have to try if that fits on the broken arduino and case and put it on the working arduino without knowing what the activity led does. Back to the multimeter if that is still necessary. What do i have to do with that? I took a closer look to the leds on the arduino. I compared it with 20240414_012610.mp4 20240414_012739.mp4

Well I started all over again with new leds and resistors. The red (power) led is working ok now. The green led isn't blinking once. But like I said earlier also the rx led on the arduino doesn't blink. When I connect a led to the activity led pins on the uno2sio board that one does blink. I find this a bit strange. But is this because there is a problem with the arduino? Also these leds are a bit too large. The small shop i bought these didn't have smaller. I have to order them online for my other sdrive. But too bad that I can't see the result of the activity led.

I have to check. When I use the led on the uno2sio board that one blinks once. I didn't see it on the led I connected myself and the rx led on the arduino board. Maybe because this board has a problem that doesn't affect the uno2sio board. At this stage I find it to risky to test this on my working arduino. I want to connect it to that one when everything works fine. By the way, it is safe to put power on the arduino without the touch screen?

It looks like this now. I didn't finish it off like I did last time but wires are connected. And I covered the soldering with some tape. I'm going to get the right resistors today. Is there a way to test the activity led without sio cable?

You mean other resistor value? I changed the wire. Activity led is now off. I only have to look how I can get it blinking since this sdrive is the one that has the sio problem. I don't want to test on my working device. But please don't play games with hints. Like I said I'm not a technician. Maybe I overlooked something. I'd Rather have you telling me. If I knew it I didn't make the mistake.

Please tell me. I have no clue. Like I told before I'm not a technician. Wait I think I see it. I have 2 wires on gnd but it should be 2 wires on 5v?

The wires are on the correct holes like you can see. Only thing that happened, but according to my friend that can't cause any problem, is that the hole beneath the gnd was filled with soldering tin. He said removing it can cause more damage.. So 5v is power and rx is activity? I'm not sure if the values of the resistors match. Can this cause constant burning instead of blinking on activity?

Well what can go wrong? Other led or other resistor? Or is it possible it got to hot with soldering?

I did the thing with the leds yesterday. I let a friend of mine solder the 4 leads to the Arduino and I put the resistor on one lead and put the led on the end. I used the arduino that has the problem with the sio cable so there was no danger in destroying a good working one. The result was not what I hoped it would be. The power led is constantly on like it should be but also the activity led. I also connected a led to activity led pins on the sio board and that one is acting normal. Also the small rx led on the arduino itself is off. What went wrong? By the way I think the power led is too bright as well but that can be solved with other leds and resistors. I hope someone is able to help me. On the clip you can see what happens when I put the power on. The 2 leds on top should act the same. Blink for a moment and stays off. The pictures show how I connected it. 20240411_232440.mp4

Oh yes thank you. This is a much more detailed manual than the one I have.

I tried the Blank option again. When it is selected the screensaver wil start after about 40 seconds. When it is off there is no screensaver. Maybe I did something wrong last time but now it is working like it should be. With Control W I was able to save the long file name option. But write cfg has a few more options. Does anyone know what they do? I enclosed a picture of the options. L saves the long file name. And I think U will save the cycle speed because you can change that with Control U.

I will try this. Would be nice.

I thought so too that blank should turn the screensaver on or off but it shows up in both. Is it possible that on one of the two it takes longer? I still don't know what scroll does.

2 are not described because they should be obvious. Rotate is but I have no clue what scroll does. Also Blank and SaveIm I don't get.

I have a few questions about the cfg on the sdrive max. I enclosed a picture of the website. The option scroll isn't explained. But I have no clue what it does. Also Blank and SaveIm. And what is the difference between 810 and 1050 emulation? Do some atx files work on 810 if they don't load on 1050? Also every time I enter cfg I have to reboot the sdrive because I can't select anything anymore. I also have no clue what they mean with the text Under controlling sdrive max from Atari. Another thing. I like the option display long file names (control + L). But everytime I reboot the sdrive I have to enable it again. Is it possible to save this so the option is always on? Is this saveim maybe?

Does someone know which color was used for printing the XL case? I received the edited model I showed above but the color is slightly different than the one I had. The color the new model was printed in is cream/pearl white.