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Dream cast arcade machine (questions)

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Shane:

This is gonna be my next project, i already built my mame machine and the dreamcast seems like it might be a little more difficult with the monitor syncing, can anyone tell me how to get a dreamcast to properly display on an arcade monitor?
also any faqs/instructions on building a dreamcast machine would be appriciated.
Thanks

- Shane

me:

well....i have something called MGCD-B  board for sale,otherwise no idea how to get dreamcast working on arcade monitor..it will convert JAMMA cabinet to dreamcast...you can use arcade joysticks, the monitor,real arcade gun and steering wheels...i bought it thinking i will use real arcade monitor....but ended up buying a VGA arcade monitor..and made a cabinet that runs mame and dreamcast all together...i never used it though..still brand new..i ordered from HONG KONG...it cost me 140$ with shiping...visit these sites for more info...

http://hehehe.org/
http://www.frolicker.com.tw/mgcd/mgcd.htm

if you are interested then make me an offer..i will sell for $100 with shiping...still in wrap and all...comes with instruction..its nothing really...only uses dip switchs..any ways.. write here...

arcadeking25@yahoo.com
mamemans@yahoo.com

email direct..or post here...thanks


Dave_K.:

Hooking a DC up to a 15khz arcade monitor is very simple.  All you need is a DC VGA adapter and wire cutters.  I suggest the Blaze DC adapter as it has stereo out plugs with volume control (other vga adapters don't have volmue control and the sound gets distorted when running to your cabs amplifier.)

The DC's AV pin out has two pins which control 15khz and 31.5khz (vga).  You choose the mode by grounding one of these pins. A diagram with pinout can be found on www.gamesx.com.  

The VGA box grounds both lines (which defaults to 31khz.) So what you need to do is open up the DC VGA box, and cut the 31khz wire where it connects to the vga box PCB (leaving only the 15khz wire grounded).  Thats it.  Make sure the VGA box has the VGA switch turned on, and it will output 15khz rgb.  

You will need to hack a computer VGA cable to run the r/g/b/h/v (and grounds) to your monitor.

Very simple.

-Dave

Shane:

ok im not sure if im exactly following you on the hacking of the VGA cable, i was looking at my monitor and was checking out the wires that go into it, what i dont get is why would i have to hack a computer VGA cable? couldn't i just wire the monitor to the dc vga adapter, or is it just easier to use the computer vga?

thanx

-SHane

me:

SHANE,
sure you can wire it direct..but only prob is there is slight RISK involved....ya know..either blowing out the monitor or the dreamcast motherboard..maybe the VGA BX.....if you are interested in my MGCD board...i can make it $80...that saves you headace of hacking dreamcast game pad and the monitor issue..its PLUG AND PLAY...i will even include a JAMMA adaptor and where you will splice your monitors from cable...email here with any interest...   arcadeking25@yahoo.com

i really dont need this because i have arcade VGA monitor...total waste of money too...i tried sending back to hongkong and that will alon take like $40 for shiping and not sure if they would take it back..its been over a month...their return policy is like 14 days i think...anybody interested..please email..thanks



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