Better match.pic.twitter.com/aNhmcT1Bpx
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Left: @BW's supposed Chinese implant for Supermicro BMCs. Right: a TDK RF diplexer from a cell phone. Artist's conception, a *really* good disguise but for entirely the wrong product (you won't find these in a server), or fake news? Up to you. https://product.tdk.com/info/en/products/rf/rf/diplexer/index.html …pic.twitter.com/nlPvcBvwXc
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To be fair,
@BW claims the chips looked like "signal conditioning couplers", and if you Google image search those terms you get this. But they say they're "another common motherboard component", which they aren't.pic.twitter.com/l7OOT926Rf
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That said... *this* is also a signal conditioning coupler, and *that* is a Supermicro motherboard. Note how, conveniently, it's a coil on top of an IC-like package. Maybe it's *this* is what they were talking about, and the specific type got lost in journalization.pic.twitter.com/m4Zs98YHu5
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Tbh, hard to tell. We live a moment when both possibilities are so incredible, but, at the same time, so feasible. Your expert's opinion?
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I personally vote for the photos are total bullshit
@BW cooked up from a dismantled phone, but that doesn't mean the story isn't real. It could be that they were not allowed to take photos but staged something "close enough" for the purposes of the story. - Show replies
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This is the reaction I had as well: why would there be a balun on a server mobo?
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It could be anything from bandpass filter, lowpass filter, diplexer, balun, directional, hybrid coupler... There are lots of RF components using that package. But it's not common to find such parts in a server.
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From time to time i find them in unusual positions. Or it's just an implant? xDpic.twitter.com/0yhQA1O4GM
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How is such a computer supposed to work, with only six contacts? On what bus would it sit, and so forth.. I can’t wrap my head around this.
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You only need 4 wires for a SPI bus override.https://github.com/marcan/sigmafix#installation …
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