MiSTer FPGA Forum

Bartdesign wrote: ↑Sun Jul 26, 2020 2:27 pm Thanks xnoodless,

I was supposed to get the same one as you have, but they messaged me it was going to be the newer revision.

I did some more testing, with different cables, DVI mode off, resolution 8 and 13 again. But yet again the display detects no image source. I also tested a range of other devices on the ipad display like the Nintendo Switch, Analogue SNES FPGA and my PC again and they all work fine; on 720p and 1080p@60 and @50 and on 2048x1536. So the only device that is not working is the MiSTer, also i retested the HDMI port of the MiSTer on my samsung TV and Dell monitor and it still works fine.

Seems that i'm the victim of the picky HDMI of the DE-10 NANO. There must be an incompatibility somewhere. I will try to order the same one as you have.

Maybe somebody else knows if there is any kind of debug logging for HDMI handshakes or something? Any way to see why it fails?

flynnsbit wrote: ↑Sun Jul 26, 2020 3:28 pm

Bartdesign wrote: ↑Sun Jul 26, 2020 2:27 pm Thanks xnoodless,

I was supposed to get the same one as you have, but they messaged me it was going to be the newer revision.

I did some more testing, with different cables, DVI mode off, resolution 8 and 13 again. But yet again the display detects no image source. I also tested a range of other devices on the ipad display like the Nintendo Switch, Analogue SNES FPGA and my PC again and they all work fine; on 720p and 1080p@60 and @50 and on 2048x1536. So the only device that is not working is the MiSTer, also i retested the HDMI port of the MiSTer on my samsung TV and Dell monitor and it still works fine.

Seems that i'm the victim of the picky HDMI of the DE-10 NANO. There must be an incompatibility somewhere. I will try to order the same one as you have.

Maybe somebody else knows if there is any kind of debug logging for HDMI handshakes or something? Any way to see why it fails?

Where did you order it from? Ali or Amazon?

steveskr wrote: ↑Sat Aug 01, 2020 10:32 pm I bought a 12V 3A adapter from Amazon with a 3.5mm connector and an adapter to convert that to the 1.35mm connector on the HDMI converter board. I updated my mister.ini with settings for the iPad 3 display (1536p) and attempted to boot. No video on the iPad display and the two LEDs near the power connector on the converter board are flashing.

Here's a photo of my setup.. Any ideas? Dead converter board?

steveskr wrote: ↑Sat Aug 01, 2020 10:32 pm I bought a 12V 3A adapter from Amazon with a 3.5mm connector and an adapter to convert that to the 1.35mm connector on the HDMI converter board. I updated my mister.ini with settings for the iPad 3 display (1536p) and attempted to boot. No video on the iPad display and the two LEDs near the power connector on the converter board are flashing.

Here's a photo of my setup.. Any ideas? Dead converter board?

Bartdesign wrote: ↑Tue Aug 11, 2020 7:43 pm Hi Steveskr, can you connect to ipad screen to a normal PC to see if it works with that?

My controller board did work with a normal computer but it didn't work with the MiSTer. I'm still waiting for the other controller board linked from aliexpress. I will post my results when it is in.

I really hope my hdmi board works, otherwise this could be another issue with certain MiSTers? I cannot find any reason why this should work with my current board in the first place.

I thought Sorgelig has an iPad screen too. I wonder if he has tested his display on multiple DE10nano's, or just one?

steveskr wrote: ↑Sun Aug 16, 2020 7:17 pm Hi, I ordered a replacement HDMI board for my rig as I assumed the one I received from AliExpress was defective (it was). Just received a replacement yesterday from an Ebay seller. I'm getting a green light on the HDMI board when I plug in power, and the on/off switch seems to work correctly (forward progress).

I've configured my mister.ini file with video settings as per this thread, but the iPad3 display still isn't working. If I connect an HDMI cable from my Windows 10 PC to it, Windows recognizes the display (2048/1536) but my iPad3 display is dark. I've tried every option (mirroring my main display, setting it as my primary monitor, etc) -- no video. I get a brief flash on the display when I turn on/off the HDMI board, so I assume it's not completely dead.

Suppose it's possible that the defective HDMI board fried the iPad3 display that I purchased. Has anyone else dealt with what appears to be a black display on the iPad3 screen? Not quite sure what to try next, other than replacing the display itself..

FWIW, I'm using a 12V, 3A adapter with the HDMI converter.

Bartdesign wrote: ↑Tue Aug 11, 2020 7:43 pm Hi Steveskr, can you connect to ipad screen to a normal PC to see if it works with that?

My controller board did work with a normal computer but it didn't work with the MiSTer. I'm still waiting for the other controller board linked from aliexpress. I will post my results when it is in.

I really hope my hdmi board works, otherwise this could be another issue with certain MiSTers? I cannot find any reason why this should work with my current board in the first place.

I thought Sorgelig has an iPad screen too. I wonder if he has tested his display on multiple DE10nano's, or just one?

Bartdesign wrote: ↑Sat Jul 25, 2020 1:02 pm Hi,

I recently ordered an iPad display with an HDMI converter board. I'm unable to get it to work with the MiSTer. The reseller stated it was a newer revision of the HDMI board. And its correct, it uses USB-C as input power, and has a mini HDMI connector instead of a full size connector.

Here is a picture:
thumbnail_IMG_6824.jpg

It works fine on my computer; it reports as an 2048x1536@59Hz display. And if i put an custom resolution with 60Hz in the NVidia panel it works at 60hz too. Here is the custom resolution:
thumbnail_image0.jpg

On my MiSTer I've enabled DVI mode, and I've tried the resolution mode 13, after that I've tried sorgelig's modeline from the display topic:

Code: Select all

video_mode=2048,48,32,80,1536,2,4,38,209250 

But sadly nothing gives me a picture. The display goes straight to sleep. Then I've tried to make my own line from the info from the Nvidia panel.

The line i came up with was:

Code: Select all

video_mode=2048,48,32,80,1536,2,6,33,208921

But sadly that does not work either.

Is there somebody else that has got this working? Or somebody that can give me a hint in the right direction? Any help is much appreciated!

flynnsbit wrote: ↑Tue Aug 18, 2020 3:31 pm

steveskr wrote: ↑Sun Aug 16, 2020 7:17 pm Hi, I ordered a replacement HDMI board for my rig as I assumed the one I received from AliExpress was defective (it was). Just received a replacement yesterday from an Ebay seller. I'm getting a green light on the HDMI board when I plug in power, and the on/off switch seems to work correctly (forward progress).

I've configured my mister.ini file with video settings as per this thread, but the iPad3 display still isn't working. If I connect an HDMI cable from my Windows 10 PC to it, Windows recognizes the display (2048/1536) but my iPad3 display is dark. I've tried every option (mirroring my main display, setting it as my primary monitor, etc) -- no video. I get a brief flash on the display when I turn on/off the HDMI board, so I assume it's not completely dead.

Suppose it's possible that the defective HDMI board fried the iPad3 display that I purchased. Has anyone else dealt with what appears to be a black display on the iPad3 screen? Not quite sure what to try next, other than replacing the display itself..

FWIW, I'm using a 12V, 3A adapter with the HDMI converter.

Bartdesign wrote: ↑Tue Aug 11, 2020 7:43 pm Hi Steveskr, can you connect to ipad screen to a normal PC to see if it works with that?

My controller board did work with a normal computer but it didn't work with the MiSTer. I'm still waiting for the other controller board linked from aliexpress. I will post my results when it is in.

I really hope my hdmi board works, otherwise this could be another issue with certain MiSTers? I cannot find any reason why this should work with my current board in the first place.

I thought Sorgelig has an iPad screen too. I wonder if he has tested his display on multiple DE10nano's, or just one?

I know it's a silly question, but are you positive that your ribbon cables are in all the way and the correct orientation? Also, there are extra pins on each side of the cable for the buttons board and you have to make sure it is in all the way and off set towards pin 1 on each connector. The black ribbon cable needed a bit of force to go "all the way" in instead of just half way. It feels like it is in all the way but really isn't. You should always see the blue logo come up on the display without a source. Either it is your ribbon cables, buttons board, or your power is wrong. Barrel connector only, 12v and something 2amp and over. Don't use the USB for power. Hopefully it is one of those things.

steveskr wrote: ↑Wed Aug 19, 2020 4:41 pm Thank you! The problem was indeed that the black ribbon cable from the iPad screen wasn't pushed in all the way -- it is important to push it in firmly until it "clicks" into place. MiSTer looks beautiful on this little display, can't wait to mount it in a case of some kind..

IMG-5780.jpg

Cool, yeah that got me on one of my displays and the flashing of the screen threw me off from my normal troubleshooting steps. That second push on the cable gives you that "ohhhh, that was it" feeling.

Now print you a CRT enclosure for it.

https://www.thingiverse.com/thing:4539779