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I tried both modes (using the 0.73 and 0.8 values) and it looks exactly the same each way.
The mode didn't display correctly using my GeForce cards (the picture doesn't use the full horizontal width - see attached).
Then I tried my Radeon 7500; everything looks much better with this card and the custom 292x240 mode works perfectly!
:thumbs:
Problems with Nvidia GEForce 8600GS
Hello,
I'm new to the Soft15kHz adventure, trying to put together my first Mamecab :)
I have a Nvidia GeForce 8600GS. I connected the JammASD interface to its VGA output and Installed Soft15kHz (twice, on both cards seen in the SW interface). When I reboot with the PC monitor attached to the VGA output, the video signal correctly goes to 15 kHz 640x480@60Hz as requested. I am able to disconnect the monitor and plug my arcade monitor. Everything is working very well ! Thanks SailorSat ! :)
But if I then reboot with the arcade monitor attached, I get a black screen. Video stays off until I disconnect the arcade monitor and reconnect the PC monitor. After this I get 640x480@60 Hz at 31 kHz :'-(
If I change resolution, it goes back to 15 kHz and it works, but only until reboot...
Is there a way to fix this ?
In the tested cards I see that my card should work, but it "Needs the Soft-15kHz-Dongle (or any other valid EDID source) for resolutions below 512x384." I don't understand this. Isn't 640x480@60 Hz above 512x384 ?
Do I need the dongle ?
I also read that it is generally better to use the DVI output of the card, not the VGA...could this be my case ? I don't have a DVI to VGA adapter here so I cannot test this now... :'-(
Please help, I'm getting tired at this...
Thanks,
Matteo
Problems with Nvidia GEForce 8600GS - again...
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Zitat von
SailorSat
Basically most new cards have their "primary" output set to the DVI port.
As your arcade monitor doesn't get detected as a "valid" monitor, the card switches to "analog mode" that basically is VGA out on the PRIMARY port, in your case most likely the DVI port.
The VGA port would be the secondary port.
Your normal VGA monitor most likely gets detected and the card says "okay, only 1 monitor connected, on the secondary port". With your arcade monitor connected its like "hm... no monitors detected, switch primary port to VGA".
As for the dongle:
Sure 640x480 is above 512x384. You may need the dongle to get to the low resolutions, like 320x240 as NVidia may restrict the card to resolutions 512x384 and up.
Please note: That may have changed in the meantime, as that problem was introduced by the geforce 8000 series and I guess there would be many people with that problem.
First, get a DVI-VGA adapter, then try booting with the arcade monitor connected to the DVI port.
Second, grab a copy of QuickRes (can be found in the downloads) and look for resolutions smaller 512x384 once you can boot with only the arcade monitor attached.
OK, I went out and bought a DVI to VGA adapter (13,5 € :eek: :)).
I hooked up the arcade monitor to the DVI output of the video card through the adapter. Here's what I see :
- if I boot with the arcade monitor attached, I get a blank (well...black) screen. Video goes to 640x480@60 Hz 31 kHz if I disconnect the arcade monitor and connect the PC monitor instead.
- if I boot with the PC monitor attached, as soon as Windows starts the video goes to 640x480@60 Hz 15 kHz and PC monitor switches off. In this condition if I connect the arcade monitor I get a very good picture. I can start MameWah and play most games with no problems. I get a good picture with 100% speed, even at low resolutions below 512x384.
So what do you recommend now to try to fix this ? :'-(
Yesterday I even tried to install Soft15kHz with no monitor attached, using remote desktop control from another PC, but it didn't help... :confused:
Can you help please ?
Many thanks,
Matteo
P.S.
If needed I can post here the whole PC configuration, drivers and so on.
Problems with Nvidia GEForce 8600GS - again...
Zitat:
Zitat von
SailorSat
Mhm... Strange
What ForceWare are you using?
Also, try checkout the nvidia control panel via remote desktop when booting with the arcade attached.
I'm pretty confused the card doesn't output anything with the arcade monitor connected.
Hi and thanks for the reply.
Sorry, I didn't explain very well.
If I boot with the arcade monitor attached, I get a out of sync video. If I then disconnect the arcade monitor and connect the PC monitor, I see 640x480@60 Hz 31 kHz. If I change resolution, video goes to 15 kHz and is perfectly displayed on the arcade monitor if I reconnect it. If I reboot, I get no picture on the arcade monitor.
Here's a video I took of the boot with arcade monitor attached :
http://www.youtube.com/watch?v=R8Zm33oVvpk
Here when it is working :
http://www.youtube.com/watch?v=lP4BINXZUz4
And here you are a couple of pictures of my current setup (still on bench) :
http://img198.imageshack.us/img198/1...problem002.jpg http://img198.imageshack.us/img198/m...jpg/1/w640.png
http://img197.imageshack.us/img197/6...problem001.jpg http://img197.imageshack.us/img197/m...jpg/1/w640.png
I tried to access to Nvidia control panel via remote desktop but it won't work. If I click on it, the control panel won't open.
It seems like it needs to have the PC monitor attached at least once to switch to 15 kHz. After that, it runs with no problems. :'-(
I tried with both Nvidia Forceware version 190.38 and 178.24 (as tested on this forum) with the same results.
I also spent some hours tweaking in Nvidia control panel, to force monitor/TV detection, but that also didn't change a thing.
Any clue ? :confused:
Matteo