Project Mega ST Graphiccard Adapter build ...

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frank.lukas
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Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Wed Aug 19, 2015 10:59 am

I´am looking for 9 people who want to have a ET4000 Graphiccard Adapter (Mega4000 by Torsten Lang) for a Atari Mega ST.

The price is 24,- Euro for a PCB.

I can help to procure the GALs. There are two GALs on the Adapter. The complete GAL set consist of 5 GAL inculde the ET4000/W32 GALs.


mega4000.gif



... get in touch via PM or in the Thread for a PCB


Interested People ...

- Dal / payment
- neogain / payment
- gaga (two pieces) / payment
- spiny / payment
- Idek Tramielsk / payment
- esacomputer / payment
- VierAtari / payment
- ditto / payment
- baert
- Arthur (two pieces) / payment
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Last edited by frank.lukas on Wed Sep 02, 2015 8:28 pm, edited 15 times in total.
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Re: Project Mega ST Graphiccard Adapter build ...

Postby Dal » Wed Aug 19, 2015 12:41 pm

PM sent.
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Wed Aug 19, 2015 2:00 pm

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Re: Project Mega ST Graphiccard Adapter build ...

Postby spiny » Wed Aug 19, 2015 2:12 pm

Put me down for one as well :)

cheers, Phil.

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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Fri Aug 21, 2015 9:59 am

9 people are together !

So I collect the money next week. I will send a PM with the Paypal Address or the Bank details.
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Mon Aug 24, 2015 3:25 pm

the money of spiny arrive ...
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Re: Project Mega ST Graphiccard Adapter build ...

Postby ryan » Fri Sep 04, 2015 1:02 pm

I might be interested, if there's a way to get this to work with Alan's MonSTer, which plugs into the Mega's expansion slot already...

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Re: Project Mega ST Graphiccard Adapter build ...

Postby joska » Fri Sep 04, 2015 1:33 pm

ryan wrote:I might be interested, if there's a way to get this to work with Alan's MonSTer, which plugs into the Mega's expansion slot already...


You can solder a socket on top of the CPU and fit the MonSTer there instead of using the Megabus adapter.
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Fri Sep 04, 2015 2:06 pm

ryan wrote:I might be interested, if there's a way to get this to work with Alan's MonSTer, which plugs into the Mega's expansion slot already...


Wait, I have a MonSTer card and make some tests when I have the PCBs and GALs ...
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Re: Project Mega ST Graphiccard Adapter build ...

Postby vattari » Sat Sep 05, 2015 4:13 am

I'm following this thread too but also have the MonSTEr installed. I could be interested too

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Re: Project Mega ST Graphiccard Adapter build ...

Postby TXG/MNX » Sat Sep 05, 2015 7:01 pm

want one

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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Sun Sep 06, 2015 8:05 pm

The boards have arrived ...

mega4000_forum.jpg


Now the GALs are manufactured, this take a week or two ...
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Mon Sep 07, 2015 12:04 pm

I suppose no orders anymore ... !
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Re: Project Mega ST Graphiccard Adapter build ...

Postby dsi0103 » Tue Sep 08, 2015 4:29 pm

Can someone give a short history and capabilities for this card? Thanks.

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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Tue Sep 08, 2015 4:46 pm

Google "Torsten Lang Mega4000" ...

There are English Docs for the Adapter.

There is no longer support by Torsten Lang !
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Sun Sep 13, 2015 8:01 pm

The GALs arrive, I send the two packages out on Monday ...

gals.jpg
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Re: Project Mega ST Graphiccard Adapter build ...

Postby arf » Sun Sep 13, 2015 9:32 pm

frank.lukas wrote:The GALs arrive, I send the two packages out on Monday ...

gals.jpg


Any chance to opt in with 2, or am I much too late?

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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Tue Sep 15, 2015 5:28 pm

I have 5 PCBs left ...
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Tue Sep 15, 2015 5:36 pm

16V8 GAL "stga6w32.jed" Standard
20V8 GAL "stgau3v3.jed" Standard

The Card has two GAL, one 16V8 and the other a 20V8. Load from Torsten Lang Atari Mega4000 Page the english package and read the text files ...

16V8 GAL "stga6w33.jed" Alternative Timing
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Thu Sep 17, 2015 5:33 am

I have no longer angled ISA slots left. There are some PCBs and GALs programmed left ...
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Re: Project Mega ST Graphiccard Adapter build ...

Postby arf » Thu Sep 24, 2015 8:21 pm

frank.lukas wrote:Wait, I have a MonSTer card and make some tests when I have the PCBs and GALs ...


Did you already have time for that?

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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Fri Sep 25, 2015 3:57 pm

No ...

I swap my flat, so I have at the moment no time !
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Sat Sep 26, 2015 11:19 am

Hello arf, ask Alan about the ET4000 graphiccard and the MonSTer ...

:FF03C3 01 ; Video Subsystem Enable, Address $03B0
:FF03BF 03 ; Herkules Comp. Register, KEY setzen
:FF03D8 A0 ; Display Mode Control, KEY setzen
:FF03D4 36 ; CRTC Index -> Select CRTC Reg. $36
:FF03D5 F1 ; Video System Configuration 1, 16Bit I/O, 16Bit MEM,
; Memory contiguous

... there are english Docs about the adapter on the Torsten Lang Atari Mega4000 Website.
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Mon Sep 28, 2015 10:27 am

Hello all, I have three PCBs left and GALs ...

PCB + two GALs = 30,- Euro incl. Shipping in Europe
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Re: Project Mega ST Graphiccard Adapter build ...

Postby frank.lukas » Mon Nov 02, 2015 6:43 pm

I make a new better circuit diagram ...

Mega4000_Schaltplan_Aktuell.pdf
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