Nes Freak | 590 Posted December 22, 2019 Share Posted December 22, 2019 ive never seen anything like this before. https://www.ebay.com/itm/Unreleased-NES-test-cartridge-Nintendo/193192918354?hash=item2cfb31fd52:g:9ZsAAOSwJkVdwHcv 1 Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/ Share on other sites More sharing options...
Lincoln | 230 Posted December 22, 2019 Share Posted December 22, 2019 The label is similar to the clu clu land samples. The board is a mystery. He says test cart, does he mean literally testing something? It's interesting. It's not $20k interesting. An unreleased game would be pretty amazing but that doesn't appear to be the case. Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/#findComment-34705 Share on other sites More sharing options...
fcgamer | 5,363 Posted December 22, 2019 Share Posted December 22, 2019 Surely the guy can post an enticing screenshot from the software, otherwise it's obvious it's nothing too special and he's just baiting for a sucker. I wouldn't be surprised if this belongs to a community member, too. Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/#findComment-34744 Share on other sites More sharing options...
0xDEAFC0DE | 1,285 Posted December 22, 2019 Share Posted December 22, 2019 I'm pretty sure it doesn't work. The board pictures show that there are a lot of unpopulated components. With enough work, it should be possible to dump the ROM though. The chips from left to right are the CIC chip, SRAM, and EPROM (which may or may not have data on it). All are dated from early 1990. Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/#findComment-34753 Share on other sites More sharing options...
Ice Man | 14 Posted December 22, 2019 Share Posted December 22, 2019 (edited) http://kevtris.org/mappers/nes_custom/NES_21G_CPU_72P.html This is what I found. Looks like an NROM board except with a RAM instead of CHR-ROM plus many other components (diodes, resistors, 7404, 74138, 7432, 74374), perhaps for PRG banking? Edited December 22, 2019 by Ice Man Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/#findComment-34754 Share on other sites More sharing options...
Lincoln | 230 Posted December 22, 2019 Share Posted December 22, 2019 3 hours ago, 0xDEAFC0DE said: I'm pretty sure it doesn't work. The board pictures show that there are a lot of unpopulated components. With enough work, it should be possible to dump the ROM though. The chips from left to right are the CIC chip, SRAM, and EPROM (which may or may not have data on it). All are dated from early 1990. proto/development/not for retail boards are more flexible than production issue boards. you can build one out to function without populating every space on the board. i wouldn't assume the worst based on the photo. 1 Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/#findComment-34798 Share on other sites More sharing options...
0xDEAFC0DE | 1,285 Posted December 22, 2019 Share Posted December 22, 2019 27 minutes ago, Lincoln said: proto/development/not for retail boards are more flexible than production issue boards. you can build one out to function without populating every space on the board. i wouldn't assume the worst based on the photo. I guess you're right. I didn't realize NROM boards were so simple, but looking at the traces and cart pinout I didn't notice anything necessarily missing. Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/#findComment-34805 Share on other sites More sharing options...
Tyree_Cooper | 1,097 Posted December 26, 2019 Share Posted December 26, 2019 (edited) Why's the label so shiny, like covered in tape or a film? All the protos/samples I've seen on NES or Famicom had paper non-glossy labels on them. It smells of fake? Also, yeah, not showing the cart running is a big no-no. If you want that kind of money or general attention, show a screenshot of the software, that will make people flock to the auction Edited December 26, 2019 by Tyree_Cooper Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/#findComment-35653 Share on other sites More sharing options...
Lincoln | 230 Posted December 26, 2019 Share Posted December 26, 2019 Maybe just laminated? Not really an issue at this point- the board alone is enough to know this is unusual. Not showing it running is a primary concern. Link to comment https://www.videogamesage.com/forums/topic/1875-a-prototype-nes-test-cart/#findComment-35734 Share on other sites More sharing options...
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