Functional VDP Test (TMS9129NL) with Arduino

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By Briqunullus

Champion (293)

Briqunullus's picture

02-10-2020, 14:59

Great video. I've also been wondering why they even would bother faking these chips. The numbers are low, the margins are small. I guess the profit is being made higher up the chain. Someone introduces a couple of hundreds of fakes and tries to supply those ebay sellers. Maybe they even supply batches of multiple fake chips at once to increase the numbers. Anyway, they will be long gone before the scam comes out. In that sense, those ebay sellers may be victims as well.

By Meits

Scribe (6209)

Meits's picture

02-10-2020, 16:32

If those ebay sellers wat to sell genuine chips, they should perform the aceton test before they advertise them.

By llopis

Resident (53)

llopis's picture

06-10-2020, 10:21

Meits wrote:

If those ebay sellers wat to sell genuine chips, they should perform the aceton test before they advertise them.

I agree. They could do that with a random sampling and find out the legit distributors. But it's clear that they rather not know. The whole system is really messed up :-(

By Grauw

Ascended (9580)

Grauw's picture

06-10-2020, 12:48

The acetone test does not tell you if the chip is a real one. Unfortunately even genuine chips are often relabeled. I have received at least 8 of those (4 YM2608s and 4 YM2610Bs).

If they would throw away everything that doesn’t survive acetone, they would throw away a lot of real (and in scarce supply) chips. The only way to know for sure is to test the chips, and given the wide variety of chips offered, that seems rather impossible for them to do.

Additionally, if one seller did do that, they would have to up their prices significantly, and would probably lose almost all their business because other sellers wouldn’t follow suit. If buyers on eBay get the choice between 2 listings of a chip, one 4 euros the other 16 euros, both claiming in the description that “it’s genuine, believe me”, you can bet that people will pick the former.

Simply put it is not economically viable to test the supply of old stock and pulls before sale.

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