Billlabs 24.8 Monitor Problems (BL25C90T)

[bigdog1977]

Well I went and bought a arcade monitor to replace the crappy 25" RCA tv i had in the Mame Cab.  I bought a billabs 24.8 model#BL25C90T from betson west. My PC boots up on the arcade monitor but the display is defaultiing to 640x480 4bit. I have my settings set 640x480 32bit 60hz it looks good an runs Maximus arcade great on my pc monitor. But when the PC is connected to the arcade monitor it wont open my front end or any of my emulators and is running in 640x480 4 bit. The Arcade monitor says it supports 560x240, 640x350, 640x480 (15khz - 24khz - 31khz) Its a Tri sync. Where am I going wrong? Do I need an older VGA card instead of my geforce 8400gs Video Card? Thanks.

[bigdog1977]

Anyone else have this monitor working on there mame cab?

[Ummon]

mr clean

[bigdog1977]

i searched the site but didnt see mrclean talking out his billabs 24.8.  I dont think this model is digital either. It has a board connected for the adjustments but i think there pots not buttons. I tried using my other PC with a geforce 6600GT and when hooked up to the billabs monitor it will boot up windows then right before it hits the desktop the sceen starts flashing on and off. Argggg. Ive got the settings to 640x480 32bit 60htz.
Im turning this cab into mame and other emulators. The tech at betson west where I bought it said it would work. He says its my PC cause it boots up windows fine so its not the monitor. Funny though as soon as I plug the PC to my 55" projection or 21" LCD the PC runs fine.

[Ummon]

I'm betting it's not giving your monitor 60hz. Go into display>settings>advanced>adapter and there should be a drop-down menu for refresh. Make sure it's 60hz, and click okay.

[bigdog1977]

tried that. I hooked the pc to my LCD and changed the adapter setting to 640x480 32bit 60hz then clicked apply, shut down then hooked it up to the Arcade monitor. It boots up windows but  for some reason changes the settings to 640x480 4bit and wont allow me to make changes in windows says I dont have administrative authorisation! It wont even allow me to open my emulators. I hook it back up to my tv of lcd monitor and the settings work fine.  Ive tried my other PC with an older geforce card same settings and after the windows xp logo loads the screen starts flashing black and white and the monitor makes a clicking noise.  Ive messed around with 4bit 16bit 32bit. Nothing works with that monitor. Im taking the Monitor back to betson west to see if the tech can figure it out. They really dont support us Mame guys with there monitors they told me. Im gonna take my PC with me and have them try it out on there 27" digital multisync. They dont have any other 24.8 that they think will work. 
They pretty much said im on my own, least they have been cool so far about letting me bring it back to them. the 24.8 bl25c90t isnt digital so Im curious if that could be a part of the the problem. I let you guys know how it goes.

[BASS!]

The geforce 8400gs does not run soft 15. I had one for a bit. If you are wanting to get a newer card, I recomend the x850xt radeon. Any model below that seems to run it just great.

[Ummon]

Mmm, I'd forgotten whether SS got series 8 and 9 to work. Guess not.

[TeamTEOR]

Any luck on fixing this? I am using the same monitor from Beston West in Phoenix, and I was told it would be no problem with any PC. I ended up buying an ArcadeVGA card from Ultimarc, and now I get all the resolutions, but the problem is that I get a ton of flickering/shaking in Windows. I thought it was EMI, but I took everything out of the cab and the closest item was about 4 feet away and still I got all of that flicker. When playing the games or inside Maximus Arcade it is not so bad however. Still I can not get the trapezoid to correct the issues at the bottom of the screen and it also looks like it is slightly tilted.  I've been stuck on this since 2007 and I am at the point that I want to give up and try something totally different. If times were better right now I would.

[ahofle]

Are you running everything in 15khz then?  There is nothing you can do about 640x480 interlaced flicker in windows (other than stay in your FE or games).  If you want to run 25khz and 31khz (non-interlaced 640x480) you will have to install the multisync patch for the ArcadeVGA from ultimarc.  But you will probably have to adjust the screen when you flip back and forth between resolutions.

[TeamTEOR]

ahofle:
Reinstalling the Tri-Sync Utility worked and got the video stable.  I have no idea why now the Tri-Sync utility made such a difference.... This is the 3 or 4th time installing it onto the machine, the only different is that this time I downloaded it again from the Ultimarc website, maybe it is updated from the version that I had.

It is seriously good to see that the stupid flickering is gone in Windows! At this point I now need to go to Radio Shack or Sears to get a hold of plastic screw drivers to make the final adjustments. The rotation is off, but it is livable at this point!

I do wish that there was a way to control the size & refresh rates of the WindowsXP boot up sequence (as this is now garbled until windows loads), but it is a trade off I am willing to deal with to have good clean game play for now. It is truly sad to have this monitor since the winter of 2007 and only now start to put so much time onto it.

What are a couple of games I can use to test those modes? So far I have played Street fighter, Tetris, TMNT Turtles in Time, Ms. Pacman, Mortal Kombat II, Mr. Do!, and Donkey Kong, all with good results.  

Side Note: Tech Support at Billabs was more than happy to send me down to the local distributor office to have them fill out a PO for a new chassis when I spoke to them on the phone today.  They are what seems to be a Class act!