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Intel Comet Lake-S CPUs and Z490 boards support PCI-E 4.0 (but it's not active)
A new report on the web indicates that the upcoming Comet Lake-S processors (tenth generation of Intel Core for desktop) actually do support PCI Express 4.0, some Z490 motherboards are designed for it as well. However an issue prevents PCIe 4.0 to become usable, so the platform will support PCI-E 3.0 instead.
The reason behind this is presence of Jitter in the Z490 chipset signal, that causes instability in the data signal and that menas that specifications required for the PCI-Express 4.0 certification are simply not met. PCI-E 4.0 is working at very high frequencies, and that requires that the signal be completely clean.
Several manufacturers added external clock generators to eliminate this Jitter, however not everyone did, so Intel made the decision to not support PCI-E 4.0 on this new platform.
Intel Comet Lake i5 and i3 spotted, both get HyperThreading but lower clock speeds - 12/28/2019 10:11 AM
Some info on Intels' pending Comet Lake processors has surfaced. The 14nm node fabricated processors are assumed to launch in April. Earlier on it was kind of confirmed that the lower positioned pro...
Intel Core i9-10900K 10-core Processor and Z490 Chipset Rumored to be released April 2020 - 12/10/2019 09:36 AM
Intel Generation 10 Comet Lake processors, based on Intel's 14nm process and an underlying microarchitecture that is Skylake is next year's desktop processor series from Intel. It makes a step towar...
ASUS to release X299 BIOS Updates for Intel Core i9-10980XE, 10940X, 10920X and 10900X - 12/02/2019 09:26 AM
Much like MSI, ASUS as well will be releasing new firmware updates soon for their X299 motherboards, specifically for Intel Core i9-10980XE, 10940X, 10920X and 10900X, and an effort to make them over...
Review: Intel Core i9 9900KS Special edition processor - all cores at 5 GHz - 11/15/2019 01:34 PM
Intel has released its flagship desktop processor in the non-HEDT segment. The 9900KS is their most premium Coffee Lake-S eight-core processor that has been discussed so abundantly. This little beast ...
Intel Core i9-10980XE Cascade Lake-X Benchmarks - 10/25/2019 02:30 PM
The way Intel distributed samples on processors to media remains a mystery, however over in Romania the first review on the Core i9-10980XE, surfaced. It's written by our colleage Tudo who tested Ca...
sverek
Junior Member
Posts: 6073
Joined: 2011-01-02
Junior Member
Posts: 6073
Joined: 2011-01-02
#5753354 Posted on: 01/23/2020 02:04 AM
Why you hope to see people being fired? Is it some kind of stress relief to you?
Hope somebody gets fired for this huge fail.
Why you hope to see people being fired? Is it some kind of stress relief to you?
asturur
Senior Member
Posts: 1252
Joined: 2010-05-12
Senior Member
Posts: 1252
Joined: 2010-05-12
#5753364 Posted on: 01/23/2020 02:39 AM
Is exactly what i wrote. A 3.0 card is just a 3.0 card.
A 4.0 card on a 4.0 platform offer you more flexibility with 3.0 x16 equivalent performance. ( if the motherboard is properly wired up to do so )
It only works that way if the device itself is PCIe 4.0 compatible. A 3.0 card in a 4.0 slot is still only going to operate at 3.0 speeds.
Is exactly what i wrote. A 3.0 card is just a 3.0 card.
A 4.0 card on a 4.0 platform offer you more flexibility with 3.0 x16 equivalent performance. ( if the motherboard is properly wired up to do so )
Dazz
Senior Member
Posts: 993
Joined: 2001-08-12
Senior Member
Posts: 993
Joined: 2001-08-12
#5753366 Posted on: 01/23/2020 03:06 AM
Probably the same classic thing that has happened to most corporations...
Success and domination breed complacency and the underestimating of your competition.
Lisa should dispatch someone to print out the news/reviews from everyday from the Intel Core 2 days, label it 'how not to rest on our laurels' and distribute it to every executive in the company.
...and then go find the next Jim Keller.
Just a thought... After the Pentium 4 days Intel said it would never happen again, but you know, history has a tendency to repeat it's self.
Probably the same classic thing that has happened to most corporations...
Success and domination breed complacency and the underestimating of your competition.
Lisa should dispatch someone to print out the news/reviews from everyday from the Intel Core 2 days, label it 'how not to rest on our laurels' and distribute it to every executive in the company.
...and then go find the next Jim Keller.
Just a thought... After the Pentium 4 days Intel said it would never happen again, but you know, history has a tendency to repeat it's self.
Dimitrios1983
Senior Member
Posts: 333
Joined: 2018-03-01
Senior Member
Posts: 333
Joined: 2018-03-01
#5753389 Posted on: 01/23/2020 05:37 AM
If that happened AMD would be bankrupt. Lisa Su working for INTEL would be the most deadly company in my eyes.
wow more incompetence from Intel, I'm shocked. The company needs a new CEO to bad Lisa Su has a job.
If that happened AMD would be bankrupt. Lisa Su working for INTEL would be the most deadly company in my eyes.
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Junior Member
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Joined: 2011-05-20
Probably the same classic thing that has happened to most corporations...
Success and domination breed complacency and the underestimating of your competition.
Lisa should dispatch someone to print out the news/reviews from everyday from the Intel Core 2 days, label it 'how not to rest on our laurels' and distribute it to every executive in the company.
...and then go find the next Jim Keller.
Just a thought...