e5frog

:-) I didn't play it through, just messed around to make the video. I believe I have played it less than five times... on the easiest level... and lost every time. Not that I'm a very skilled player, I know which way the pieces, the AI in Tic-Tac-Toe is at my level. :D

Tried it on the US version, works fine - although the image is pretty crappy on my TV compared to the PAL version. Kind of smeared and odd colors. I probed through reasonable location and found a good one on a resistor before the RF box. The boards for model 1 and 2 are not the same, there's a model 1.5 as well, that has the new electronics in the old shell. Difference between them is the logic that was a bunch of TTL chips is instead stuffed into one large IC, sound is also a bit different. The Channel F II has a smaller board. I made CAD-drawings of an SMD and a THM version, haven't built either yet... I'll see if I can find good spots to grab the signal on the other versions as well.

$177 - standard shipping included, $23 extra for registered shipping, PayPal fee included. Item displayed in the image below is the item that is for sale: Selling a tested and working complete set of the SABA#20 Chess cartridge in good condition (see image above) for System Fairchild (Channel F). Works for ALL (working) System Fairchild compatible units no matter what the TV-system is. This is a SABA only release, it has a LED on the edge to indicate when the console is working through how to beat you. Several difficulty settings available, here's a little video:

Update: I have paid toll for PCB:s, no surprises there. It's up to the customs service and Swedish postal service to handle it. Still waiting for a few chips from the US - which apparently have reached Sweden as well - waiting to get the toll fee bill.

Should one find an old 12V, 5V supply they can probably be modified to mentioned AC by removing the internal rectifiers and regulators.

Haven't taken any pictures yet, boxed items. Got the in a "lot", don't want to strip them into Multi-Carts. The SABA#20 is a proper chess game, has different difficult settings and a LED in the label area indicating the video game is busy calculating how to beat you the most humiliating way. Images from my Channel F gallery - not the actual item for sale: SABA#19 is exactly the same as Channel F Videocart #23 - Galactic Space Wars. Different labels and box of course. This is a double title that also has "Lunar Lander" on it. If you have a hard time finding a #23 and want a playable copy - get this one. Images not showing the actual item: NOT MY YOUTUBE VIDEO: https://youtu.be/yT3VwP4w7bg If you'd like to make bid or just announce you're interested, let me know. I'll take some proper images soon and make a proper ad if needed. These aren't that easy to find in the wild and are usually overly expensive on eBay.com

Opening up for orders again, have ordered 24 new shell donors.

Putting a halt on any new orders, need to get my hands on more shells... All orders before today has been covered.

I'm missing these stickers for a set of SABA videoplay 2 sticks. It's the crappy ergonomic version... It's pretty much the same as the ones for ITT/Ingelen Telematch Processor as well as the TV plug-in "COLOR-TELE-MATCH-cassette 3" tank game. On a side note... the latter has a red and blue controller with a smaller knob on the packaging, I guess they made that before the rest. I was considering taping foil to a paper, run it through the laser printer and then some adhesive plastic on top... Found an image finally:

The offer for $99 is still up guys, go right ahead and pay for your copy. I've gotten enough payments, will start to order parts right away.

Current price is $99, I'll know the final price when all parts have been received. So pay for one now if you want to get one cheaper - but wait longer.

No problem, I'll send a PM.

I have enough interested people, awaiting payments to be able to order parts. PM:s sent.

Are you looking to use it or is it important from a collector's perspective to get an original? It's not a super common machine, you may need to purchase another system just to get the psu... I saw some web shop selling new ones but I'm guessing you don't want to pay too much for one? Can't find it now - it was some time ago... How about putting a new transformer in the brick (is it the small or the large one?) - are you comfortable with that? You could run it off DC as well, there are rectifiers in the console and then capacitor with regulator(s). 10VDC on the 5V line and 17V on the 12V line should be good enough with some margin - you could use a higher voltage, like a 19V laptop PSU but the regulators will run hotter - the 5V will be hottest as it has more energy to dissipate. Those two DC values will keep the regulator cooler than the originals though. The Luxor version runs 9VAC and 15VAC, these have top voltage at about 12.7 and 21V - with the large capacitors the voltage will be held pretty near those values - so they run pretty hot on the original supply. I guess there's some margin for power fluctuations on the main grid. Feeding 5V and 12V directly to the circuitry inside is another possibility. EDIT: You only need about 0.2A 15VAC and 1.5A 9VAC. But something LIKE this would work: https://www.aliexpress.com/item/115V-230V-50W-R-Core-Transformer-15V-15V-9V-9V-for-Audio-Amplifier-Preamps-AMP-DAC/32806199484.html

One more, and payments in - I'll make another batch.

Not sure about removing regulators. 5V and 12V is enough. -5V is made on the board and only used by RAM.

Sounds good, find three more and I'll make another batch.

Last one in this clean-up batch is now sold. I'll make a new run of 10-12 pcs if there's interest in four or more cartridges.

Will have to check again, I might actually be sold out. Yes, only one Multi-Cart left in the left-over stock. I have some single game PCB:s as well, suitable for Pac-Man (for which I also have boxes) or other game/games that fits in the address-space.

I've got two left, possibly one as I have a request but not an order yet. So sinistermoon, go right ahead, instructions in the top post of the thread.

Very nice! I see you're missing a $108 multi-cart in that collection.

I believe I have shared the file before, send me a PM and we'll solve it. Anyone with a cart could dump it, so it's not a big secret - it's of course a lot cooler to play on a real machine.

Dear retro gamers. After doing inventory I noticed I still have five more boards for making Multi-Carts. I offer these for $108 each, unregistered shipping included (registered is $23 extra). For details, check the first post in this thread.

Still nothing? It's been ten years...

Would be cool to make a Channel F SD-cartridge out of the Harmony project.