[vcf-midatlantic] VME Graphics Cards

John Heritage john.heritage at gmail.com
Wed Jun 21 19:15:57 EDT 2017

I see the Mega ST ET4000 Hack -- here's the updated URL

It's a pretty impressive mod -- it's actually not a VME Mod but something
that connects the ET4000 to a plain ST.. (so it could technically be wired
into a regular 520/1040ST too).

Here is a VME to iSA adapter intended for MEga STE/TT -

I used to also have an ET4000 - my first 'fast' graphics card for DOS.
Would run up to a 16 mhz ISA Bus (20 mhz with artifacting)...

On Wed, Jun 21, 2017 at 6:19 PM, Ethan <telmnstr at 757.org> wrote:

> Thanks - there were drivers written for several VME cards to work on the TT
>> or MegaSTE.  ET4000 (Tseng 4000) chipset cards for example are supported
>> already..
> The ET4000 was my very first VGA card, ISA style. I remember having to Hex
> Edit deluxe paint II to get that sweet 800x600x16 color mode.
> Woah:
> http://web.archive.org/web/20070202082609/http://atarihacks.cjb.net/
> Under video. Looks like there is a hack to wire the ET4K ISA card into VME
> slot. Looks like there is a GAL file as well so it's more than just wires,
> some logic shifting. Perhaps the same thing as that NOVA adapter.
> Fascinating!

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