INTEL THUNDERBOLT 3 THREADRIPPER PC
(The ASRock Phantom Gaming ITX TB3 motherboard Remove non-product link combines Thunderbolt 3 with an AMD X570 chipset, allowing users, if not PC makers, to combine Thunderbolt and Ryzen themselves.) But the company has also said it believes it could supply Thunderbolt designs if it chose to.
INTEL THUNDERBOLT 3 THREADRIPPER LICENSE
“If there was an equivalent technology that supports DMA protection, that supports prevention against physical attacks, then that would be the requirement.” Ziller deferred to AMD as to what that technology could be, and he also declined to say whether Intel would license the VT-d technology to competitors.ĪMD’s position has been that its customers don’t want Thunderbolt. “I wouldn’t read it as it’s only Intel, because of VT-d,” Ziller said. If nothing else, the rival chipmakers seem aligned in their desire to skirt the issue. Because VT-d based direct memory access (DMA) is strictly an Intel technology, however, this requirement seemingly creates a barrier for AMD. One of the requirements for Thunderbolt 4 is that a laptop vendor must support what’s known as Intel VT-d based direct memory access (DMA), a security measure that protects the system by preventing direct memory access to preassigned domains. Ziller suggested we’d see more with Thunderbolt 4, though he couldn’t say when or in what quantity. There’s even a new optical Thunderbolt 4 cable design, with lengths ranging from 5 to 50 meters, that Ziller said he expects will be shipped sometime next year.ĭisplays have been slower to pick up the technology. Intel’s also announcing that Thunderbolt cables, labeled with the lightning-bolt icon and a number ‘4,’ will be available in the standard 0.2m and 0.8m lengths, together with an additional 2-meter cable length that Ziller said should cost less than current 2-meter cables. Laptops with Thunderbolt 4 will be able to accept 100W of input power, and supply 15W externally. Though Thunderbolt 3’s “Ice Lake” implementation allowed for Thunderbolt ports to be placed on either side of a laptop-a new feature for that platform-Intel’s not yet saying how Thunderbolt 4 ports will be arrayed within Tiger Lake laptops. Laptops designed with Thunderbolt 4 will be required to offer input charging via a Thunderbolt 4 port, as an alternative to or replacement for proprietary “barrel” chargers (this is usually true with Thunderbolt 3 ports as well). IntelĪ summary of how Thunderbolt 4 differs from other I/O standards. In addition, the new spec will transfer at 32Gbps across PCIe (for storage speeds up to 3 gigabytes per second).
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“But not all of them do,” Ziller said of the current Thunderbolt 3 docks-because that spec’s loose minimum requirements allowed manufacturers to cut corners. Thunderbolt 4 promises to be rock-solid in that regard. For instance, Thunderbolt 3 was supposed to supply enough bandwidth to drive a pair of 4K displays at 60Hz or a single 8K monitor at 60Hz. Thunderbolt 4 also seeks to right some wrongs with its predecessor, Thunderbolt 3. Thunderbolt has long aspired to clean up the mess that is the various USB standards, all using USB-C as a physical interface. That makes Thunderbolt 4 the “complete version of USB-C,” according to Jason Ziller, the general manager for Client Connectivity for Intel, in a presentation to reporters. Though Thunderbolt 4 and USB4 share the same underlying protocol, Thunderbolt 4 includes more compatibility requirements than USB4 does. Intel’s informal message is “just look for the Thunderbolt.” The small lightning-bolt icon means that port will support everything from USB 3.2 to USB4, and a high-speed Thunderbolt 4 cable will cover all of your bandwidth. To muddy things further, Thunderbolt also encompasses PCIe, DisplayPort, and USB Power Delivery standards. You still have to squint hard at that USB-C-shaped port to determine which of the multitude of USB specifications it meets, including whether it’s a USB4 connection that happens to support Thunderbolt.
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Intel’s still pitching Thunderbolt as a single standard to rule them all, but the reality up to now has been complicated. The Thunderbolt technology that Intel and Apple designed originated with Intel’s “Light Peak” technology prototype at 2009’s Intel Developer Forum.