4 ms·
But USB4 is Thunderbolt?
by thrwawy74 4y ago
But USB4 is Thunderbolt?
- vetinari 4y agoWith USB4 the PCIe tunneling is optional; with TB it is mandatory.
- izacus 4y agoEhm, the specification is clear that all external ports should expose PCIe tunneling? Or is there something that changed?
- vetinari 4y agoI don't know what Microsoft based their claim about it (maybe their own requirements in Windows HCP?) From the spec: 2.1.1.5 USB4 Host Host contains: * A Host Router. * A USB 2.0 Host. * An Enhanced SuperSpeed Host. * A DisplayPort Source. Host can also optionally contain a PCIe controller or PCIe switch. A USB4 Host supports 20G USB4 operation (Gen 2). It optionally supports 40G USB4 operation (Gen 3) and 80G USB4 operation (Gen 4).
- izacus 4y agoHmm, you're right - it's Windows HCP. I found a random statement when they mandate tunneling support to "Maximize compatibility across ecosystem".
- thrwawy74 4y agoWell that does seem short-sighted. :(