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/  Forum Index
   /  Classic Amiga Hardware
      /  Video Slot
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Trekiej 
Video Slot
Posted on 31-Jul-2019 13:56:51
#1 ]
Cult Member
Joined: 17-Oct-2006
Posts: 646
From: Unknown

I have an Amiga 1000 and would like to add a video slot to it.
Looking at the Commodore Genlock, I noticed that it was an internal card put into a box and connected to the video out.

I drew a diagram of how I would like to make a board that would go into a mini-itx case.

It would have two 25 pin D-sub connectors on the back with a 24 pin power connector at the front.

On the bottom would be two 36 pin video connector slots like in the A2000.

The A2000 video slot has RGB and Centronics Parallel port going to it.

I think some A2000's had only one socket.

edit:
I need to find a way to post the drawing.

Last edited by Trekiej on 01-Aug-2019 at 02:20 AM.
Last edited by Trekiej on 31-Jul-2019 at 02:03 PM.

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Paul 
Re: Video Slot
Posted on 31-Jul-2019 16:46:59
#2 ]
Cult Member
Joined: 7-Mar-2003
Posts: 616
From: Michigan

@Trekiej

If you could find a Rejuvenator, it had a video slot on it already. I had a C= flicker fixer mounted in my 1000 using that slot.

Paul

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amigadave 
Re: Video Slot
Posted on 31-Jul-2019 17:12:18
#3 ]
Team Member
Joined: 18-Jul-2005
Posts: 1534
From: Lake Shastina, Northern Calif.

@Trekiej

Quote:

Trekiej wrote:
I have an Amiga 1000 and would like to add a video slot to it.
Looking at the Commodore Genlock, I noticed that it was an internal card put into a box and connected to the video out.

I drew a diagram of how I would like to make a board that would go into a mini-itx case.

It would have two 25 pin D-sub connectors on the back with a 24 pin power connector at the front.

On the bottom would be two 36 pin video connector slots like in the A2000.

The A2000 video slot has RGB and Centronics Parallel port going to it.

I think some A2000's had only one socket.

edit:
I will put up my picture this afternoon or evening.


If you are talking about the video slot on the opposite side of the PSU from the rest of the expansion slots (Zorro II and ISA slots), then I don't remember any A2000's that had more than one video slot. I think there may have been some A4000T's that had 2 video slots, or conversion boards to make A1200's into tower computers with expansion slots, which might have had 2 video slots, but not original A2000's with 2 video slots. Some one correct me if I'm remembering wrong.

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BigD 
Re: Video Slot
Posted on 31-Jul-2019 21:01:53
#4 ]
Elite Member
Joined: 11-Aug-2005
Posts: 4853
From: UK

@amigadave

Yep, I would say the A4000T is the only Amiga with two video slots.

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John Lasseter, Co-Founder of Pixar Animation Studios

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Trekiej 
Re: Video Slot
Posted on 31-Jul-2019 23:34:58
#5 ]
Cult Member
Joined: 17-Oct-2006
Posts: 646
From: Unknown

@amigadave and thread

If I read the A2000/A500 schematics correctly, it shows two 36 pin connectors.
Hmm.
I guess it should not be a problem to go ahead and add it early.

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Trekiej 
Re: Video Slot
Posted on 1-Aug-2019 2:00:55
#6 ]
Cult Member
Joined: 17-Oct-2006
Posts: 646
From: Unknown

@Trekiej

I did see an A2000 board with two video connectors on ebay today.
It has one slot.

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Trekiej 
Re: Video Slot
Posted on 3-Aug-2019 16:06:50
#7 ]
Cult Member
Joined: 17-Oct-2006
Posts: 646
From: Unknown

@Trekiej

Has anyone here used two video slots at one time?

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Hypex 
Re: Video Slot
Posted on 3-Aug-2019 17:08:19
#8 ]
Elite Member
Joined: 6-May-2007
Posts: 9541
From: Greensborough, Australia

@BigD

Does the A4000T really have two video slots?

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Trekiej 
Re: Video Slot
Posted on 4-Aug-2019 18:28:47
#9 ]
Cult Member
Joined: 17-Oct-2006
Posts: 646
From: Unknown

@Hypex

According to Wikipedia it does.
https://en.wikipedia.org/wiki/Amiga_4000T

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BigD 
Re: Video Slot
Posted on 4-Aug-2019 18:29:11
#10 ]
Elite Member
Joined: 11-Aug-2005
Posts: 4853
From: UK

@Hypex

Yes, it has two slots but I have only used one for the Picasso IV graphics card. I guess the machine is useful if you have a RTG Graphics card plus a Video Toaster 4000 card? Would be nice to have both installed. Sadly no PAL Video Toaster so no incentive for me to try it.

Last edited by BigD on 04-Aug-2019 at 06:32 PM.

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Trekiej 
Re: Video Slot
Posted on 4-Aug-2019 19:08:05
#11 ]
Cult Member
Joined: 17-Oct-2006
Posts: 646
From: Unknown

@BigD

Was each slot individually selectable?
Edit
I guess there would have to be a way to determine who gets what info.

Last edited by Trekiej on 04-Aug-2019 at 07:18 PM.

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BigD 
Re: Video Slot
Posted on 4-Aug-2019 19:27:54
#12 ]
Elite Member
Joined: 11-Aug-2005
Posts: 4853
From: UK

@Trekiej

I am ignorant of the exact technical info but the video slot for the PIV is passing the AGA video to the flicker fixer module to allow pass through of the AGA screen modes for use via the VGA port. I'm assuming the Video Toaster 4000 allows AGA output to be mixed with the other Video Toaster inputs (a limitation of the original version) and therefore the A4000T is really just providing a duplicate output to both cards (no special jumpers / auto config required)?

Last edited by BigD on 04-Aug-2019 at 08:45 PM.
Last edited by BigD on 04-Aug-2019 at 08:44 PM.

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Trekiej 
Re: Video Slot
Posted on 5-Aug-2019 4:33:22
#13 ]
Cult Member
Joined: 17-Oct-2006
Posts: 646
From: Unknown

@BigD

I could that.
I am still working on making a board for an ATX case or similar for housing something like a Video Toaster or Opal Vision.

I will have to look at how all this works.

The Grafitti box is a cool item to have.

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Hypex 
Re: Video Slot
Posted on 5-Aug-2019 18:09:11
#14 ]
Elite Member
Joined: 6-May-2007
Posts: 9541
From: Greensborough, Australia

@Trekiej

So it says. As on the Ryan E. A. Czerwinski's page.

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Hypex 
Re: Video Slot
Posted on 5-Aug-2019 18:12:10
#15 ]
Elite Member
Joined: 6-May-2007
Posts: 9541
From: Greensborough, Australia

@BigD

With RTG and a Toaster, yes, I'd drink to that!

That woud be very useful. I wonder if any dual gfx card configurations worked?

Amiga with twin RTG cards. Would have been awesome.

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