Project PCB for a VOFA ET4000 Graphiccard Adapter ...

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jamesfmackenzie
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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby jamesfmackenzie » Sun May 20, 2018 11:25 pm

I have a Mega ST and I’m interested. Any recommendations on where I can acquire a compatible ET4000 graphics card?

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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby Bikerbob » Mon May 21, 2018 12:09 am

Frank.lukas I have your MegaSTE VME interface.. can you post up or send me some benchmarks that have been had with that. I have not had a lot of luck getting it to work well, and I have a 4mb machine.

Thanks

James

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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby frank.lukas » Mon May 21, 2018 7:05 am

NVDI ET4000 or NVDI5 is tricky. So better use the VOFA Nova driver -> https://www.silicon-heaven.com/atari/nova/VOFA/
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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby Bikerbob » Mon May 21, 2018 12:31 pm

frank.lukas wrote:NVDI ET4000 or NVDI5 is tricky. So better use the VOFA Nova driver -> https://www.silicon-heaven.com/atari/nova/VOFA/



was that for me frank? so with the vme I can use the VOFA driver? ok.. will give it a try.

James

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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby frank.lukas » Mon May 21, 2018 12:43 pm

Sorry. no VOFA is only Mega ST Bus ...

You must try the T0 or T4 or T8 with your ET4000 card. It is indirectly what RamDAC your ET4000 card have on it.

Bootorder is: 1. emulator.prg, 2. menu.prg or xmenu.prg, 3. sta_vdi.prg and the two BIB files.
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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby frank.lukas » Sat Jul 21, 2018 7:41 pm

The VOFA ET4000 CPU Version is ready for 260/520 and 1040ST ...

I have also a Version turned 180 degrees the CPU Socket.

VOFA_CPU_klein.jpg
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fancy Atari Musik anDA Dance "Agare Hinu Harukana" 1998 ATARI http://www.youtube.com/watch?v=JX10fxb5eYE

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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby matej » Sun Jul 22, 2018 1:03 pm

Nice!!! Will it works with 1040stfm? Or just ST? Will buy it!

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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby frank.lukas » Sun Jul 22, 2018 1:15 pm

Yes it works with ST, STF and STFM ...

You have to socket your CPU or solder a socket on top of the CPU and you have to solder +5V, +12V and GND to the VOFA Adapter. If your ET4000 card need -12V you have to solder this as well. The -12V Line you can find on the Mainboard in the serial circuit.
fancy Atari Musik anDA Dance "Agare Hinu Harukana" 1998 ATARI http://www.youtube.com/watch?v=JX10fxb5eYE

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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby matej » Sun Jul 22, 2018 2:30 pm

PM send...

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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby matej » Sat Jul 28, 2018 10:06 pm

Buyed thanks!

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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby Orion_ » Sun Jul 29, 2018 2:00 pm

what is the reference of the cables you use for extension from the adapter to the vga card ?
I embedded the VGA card inside my Mega STe but sometimes the card won't be recognized, I guess it's because the cable are a bit too small in length and the cables are too tight. I would like to order longer cables to get rid of this problem but I don't know which one and were to find them
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Re: Project PCB for a VOFA ET4000 Graphiccard Adapter ...

Postby frank.lukas » Sun Jul 29, 2018 2:55 pm

Mega STE is Nova Adapter, this tread is about VOFA Adapter ...
fancy Atari Musik anDA Dance "Agare Hinu Harukana" 1998 ATARI http://www.youtube.com/watch?v=JX10fxb5eYE


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