Software Support > GroovyMAME

Fuzzy image on many games with CRT EmuDriver and 15kHz monitor

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tiobolinha:
Hi Krick,

I posted the pictures as advised.

http://forum.arcadecontrols.com/index.php/topic,121726.0.html

Please take a look.

Thank you

mamenewb100:
It would be pretty rare to find an old used 31 Khz arcade monitor. They were just about all 15 Khz years ago. I would think those would be fairly new. The fact that you have it plugged into VGA port and plugging in DVI won't display also makes it likely you have a 15 Khz. Could be wrong though.

Doesn't your monitor have some kind of external control board for adjusting settings? If it does and has an on-screen menu, it should display the Khz and Hz that your monitor is at.

Calamity:
Hi tiobolinha,

You probably need to adjust your monitor's H-freq potentiomenter.

I'll have more tome to help you tomorrow, hopefully.

tiobolinha:

--- Quote from: mamenewb100 on July 29, 2012, 04:57:08 pm ---It would be pretty rare to find an old used 31 Khz arcade monitor. They were just about all 15 Khz years ago. I would think those would be fairly new. The fact that you have it plugged into VGA port and plugging in DVI won't display also makes it likely you have a 15 Khz. Could be wrong though.

Doesn't your monitor have some kind of external control board for adjusting settings? If it does and has an on-screen menu, it should display the Khz and Hz that your monitor is at.

--- End quote ---

Thank you for your reply. No it doesn't has an on screen menu. It's ALL analog I think. I do have potentiometers for adjusting RGB and Vertical and Horizontal (phase, sync, alignement) settings as well as bright, but they are in the back at the monitor's board. That's it.

I do think it's 15 Khz as I saw it running a KOF96 PCB.

Thank you again!

tiobolinha:

--- Quote from: Calamity on July 29, 2012, 06:08:18 pm ---Hi tiobolinha,

You probably need to adjust your monitor's H-freq potentiomenter.

I'll have more tome to help you tomorrow, hopefully.

--- End quote ---

I did that (adjust the H and V-Freq potentiometers) for the first time I ran the windows desktop and it went ok. I tried for the fuzzy games but it simply doesn't stabilize.

Updating: I got good results setting mame.ini to "PC" in Groovymame. Almost all games went through but with a foggy image...

That's odd isn't it?

Thank you.

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