1 Reply by 002

(3 replies, posted in Support)

For anyone stumbling on this thread. The issue was indeed the DP to VGA adapter.

I got a new card on eBay (Low profile AMD Radeon R5 240) and it works flawlessly with interlaced resolutions as it has a DVI port which supports a passive VGA > DVI adapter.

The final piece of the puzzle was that my interlaced resolutions were SUPER jittery and that was solved by disabling DDSP using the dip switches on the Extron RG203.

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2 Reply by 002

(3 replies, posted in Support)

I might have just found the answer to my question in a forum thread on reddit.

https://old.reddit.com/r/crtgaming/comm … splayport/

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3 Topic by 002

(3 replies, posted in Support)

Hi,

I've been using CRT Emudriver for many years on various systems now but this one has me stumped. First of all I will describe my setup.

  • I have a PC running Windows 10 in Test Mode.

  • It has a discrete low profile AMD Radeon R9 M360 that has two DisplayPort outputs only (card looks like this: https://i.imgur.com/t5bcGuu.jpg)

  • I am using a DisplayPort x VGA adapter which connects to an input on my Extron RGB 203

  • The Extron RGB 203 runs out to my Olympus OEV203 via 4 x BNC RGBS

So what I'm trying to do is get 480i and 576i resolutions working on my monitor.
I can install the modelines without any issue and they report to me fine in arcade_osd.exe, however, when I try to switch to them I have a blank screen with 'NO SYNC' on my monitor - and the Extron doesn't even report the vertical and horizontal scan rates like it does if I use a progressive scan resolution. It just says 'NO SIGNAL'.

The modelines I'm trying are:

720 x 576 @ 50.000000 aux
720 x 480 @ 60.000000 aux


but I've also tried these (in vain):

720 x 576 @ 25.000000 aux
720 x 480 @ 29.000000 aux

I'm thinking that the issue might be with the DisplayPort to VGA adapter. It's one I got from Jaycar here in Australia. I'd provide the link to what it looks like but am limited to one link per post it seems.

Happy to provide any further info on request. Thanks!

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4 Reply by 002

(2 replies, posted in Support)

Thanks, Calamity.
In that case I will just remove the watermark myself :)

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5 Topic by 002

(2 replies, posted in Support)

Hi there,

First of all, thank you for approving my account request, and of course for creating these drivers and tools.
I am on the cusp of completing my setup to run with GroovyMAME and as I wait for the final piece, I was wondering something.

Is it expected that a machine configured with CRT Emudriver 2.0 should be in Test Mode permanently? I understood it that Test Mode was only required for the installation of the driver, after which I could reboot with TESTSIGNING turned back on. It seems that if I turn it back on, Windows falls back to the generic driver.

I am running:
- Windows 10 Pro x64 (all latest updates as of this post)
- CRT Emudriver 2.0 beta 10 (by the way, I noticed that the installer reports as beta 9 on the Window title IIRC)
- AMD A8-7600 APU with R7 graphics

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