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U.S. inks bill to force geo-tracking tech for high-end gaming and AI GPUs
(www.tomshardware.com)
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this post was submitted on 23 May 2025
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As a coder with some hardware awareness, I find the concept laughable.
How does he think they (read: the Taiwanese, if they are willing to) would go about doing it?
Add a GPS receiver onto every GPU? Add an inertial navigation module to every GPU? Add a radio to every GPU? :D
The poor politician needs a technically competent advisor forced on him. To make him aware (preferably in the most blunt way) of real possibilities in the real world.
In the real world, you can prevent a chip from knowing where it's running and you can't add random shit onto a chip, and if someone does, you can stop buying bugged hardware or prevent that random addition from getting a reading.
If politicians had advisors then how would they justify doing the dumb shit their owners want them to, then they can't plead ignorance.
I'm already familiar with it. On the systems I buy and intall, if they are Intel based, ME gets disabled since I haven't found a reasonable use for it.
Since this is more relevant to me (numerically, most of the systems that I install are Raspberry Pi based robots), I'm happy to announce that TrustZone is not supported on Pi 4 (I haven't checked about other models). I haven't tested, however - don't trust my word.
From the Raspberry Pi Foundation, who are doubtless ordering silicon from TSMC for the Pico series and ready-made CPUs for their bigger products, and various other services from other companies. If they didn't exist, I would likely fall back on RockChip based products from China.
Wow. :) Neat trick. (Would be revealed in competent hands, though. Snap an X-ray photo and find excess electronics in the socket.)
However, a radio transceiver is an extremely poor candidate for embedding on a chip. It's good for bugging boards, not chips.
In the BIOS options of that specific server (nothing fancy, a generic Dell with some Xeon processor) the option to enable/disable ME was just plainly offered.
Chipset features > Intel AMT (active management technology) > disable (or something similar, my memory is a bit fuzzy). I researched the option, got worried about the outcomes if someone learned to exploit it, and made it a policy of turning it off. It was about 2 years ago.
P.S.
I'm sure there exist tools for the really security-conscious folks to verify whether ME has become disabled, but I was installing a boring warehouse system, so I didn't check.
How about locking all the advanced functions behind a hardware lock that requires an online key to unlock? Besides getting an IP address for geolocation, this approach would enable manufacturers to put a subscription on the features as well. Require users to provide a government issued ID that matches the name on the credit card used.
VPN! I hear you cry. But the driver is already running pretty close to the hardware, so good luck hiding a VPN client.
So while you can't guarantee a street address accuracy, you can get country and overall regional subdivision.
But who would buy such hardware? :)
In my imagination, there is no VPN client. The whole network is behind a VPN router and the internet gateway is where it needs to be.