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arcadeshopper

32k "sidecar" need

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Getting a bunch (5 at least) of people buying carts that need 32k that just have a console.. Wish I had a stack of sidecar 32k's to sell them :)

 

Greg

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When I was finally ready to purchase a CF7+, they were none listed on eBay. Had to write to the seller (sorry, forget his eBay handle, but his name is Jaime) and inquire. Quickly got back to me and listed a few. Got the impression he has several ready to go at any given moment...

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Getting a bunch (5 at least) of people buying carts that need 32k that just have a console.. Wish I had a stack of sidecar 32k's to sell them :)

 

Greg

 

Marc Hull does a damn fine job of installing a 32k chip in a console. He was offering that service a few months back and I took advantage of it.

Works great for the 2meg and 1 meg game carts.

 

Why don't the 2 of you join forces?

 

Gazoo

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Marc Hull does a damn fine job of installing a 32k chip in a console. He was offering that service a few months back and I took advantage of it.

Works great for the 2meg and 1 meg game carts.

 

Why don't the 2 of you join forces?

 

Gazoo

 

 

Interesting cept for the fact they'd have to ship their console OR change consoles.. Easier to plug in a card.. I am still working with richard to sell the 32k kits (easier install) for the consoles too.. someday . I have about 12 extra consoles in various stages of beat up (ex-classroom consoles) would love to toss a 32k mod, f18a and a new keyboard in a couple of those and resell them.

 

Greg

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In an ideal world, we would create a small, AMS-compliant sidecar memory expansion (nothing too fancy, maybe 256 or 512k or so). This would be useful for everyone, from PEB owners over nanoPEB owners (assuming one can mask the onboard 32k on the nanoPEB?) to bare console owners who want to use some of the fantastic carts created recently. Fairly low cost, east to build, readily available. I think that might be a successful product/

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It would be ideal to build memory expansion with floppy controler. On controler we could plug floppy emulator. Is there such project?

 

nanopeb or cf7 is such a project 32k, serial or parallel port (nano is serial) and floppy emulator on compact flash..

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Yes, I have CF7+. I was thinking about new memory expansion (more than 32k memory) and floppy controler. On floppy controller you could connect regular floppy disk or floppy emulator. Somethink like that. Today we can do this only if we have PEB or some other sidecar expansion.

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What's all needed circuitwise on the sidecar?

 

It's relatively easy to make an edgecard PCB with a 32K SRAM chip on it. In fact, I've been trying to find the time to have the framework done in ExpressPCB so make my ubersidecar cartridge concept board. It wouldn't be hard to put the pinout for a 32K chip on that, and maybe some other chip(s) (logic?) if needed. I'm just not sure what the TI is expecting on that sidecar with 32K.. probably not as much as is needed for if you're putting other stuff.

 

The hardest part is likely sourcing the 44 pin female connector to put on the other end. The actual edgecard with just 32K would be very small.

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What's all needed circuitwise on the sidecar?

 

It's relatively easy to make an edgecard PCB with a 32K SRAM chip on it. In fact, I've been trying to find the time to have the framework done in ExpressPCB so make my ubersidecar cartridge concept board. It wouldn't be hard to put the pinout for a 32K chip on that, and maybe some other chip(s) (logic?) if needed. I'm just not sure what the TI is expecting on that sidecar with 32K.. probably not as much as is needed for if you're putting other stuff.

 

The hardest part is likely sourcing the 44 pin female connector to put on the other end. The actual edgecard with just 32K would be very small.

I too would like to be able to build a sidecar similar to the CF7+, but with the ability to plug into a sidecar floppy or PEB if desired. Yes a 32k only side car would likely be about the size of Corcomp interrupt switch, maybe slightly smaller, I would like it to be compatible with my multicom units also. I think this train of thought is good and I would be interested in such a device.

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The hardest part is likely sourcing the 44 pin female connector to put on the other end.

 

A little over 1/2 way down on << THIS PAGE >> there are a few different 44 pin connectors. Might one of them be suitable?

I agree with The Mole, if one is going to go through all this trouble, a SAMS might be the best way to go.

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Unfortunately, all of the 44-pin connectors on that page are on .156 pin-to-pin spacing. We need connectors with .100 spacing. . .I have found several sources with the right type of connectors, but the inexpensive sources have pretty weak connectors--and the ones with higher quality connectors are very expensive, $7 to $10 each.

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ok well I emailed him asking if he'd be interested in selling me a few for these guys

 

Hopefully there will be some news on this front soon. I got a tentative response :)

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