Windows Client Guidance against speculative execution vulnerabilities

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  1. Posts : 345
    Windows 10
       #560

    The guidance from Intel says microcode updates have been released for Clarkdale, Lynnfield, and Gulftown processors. But the development of microcode for Bloomfield processors has been stopped for some reason.
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  2. Posts : 2,663
    Windows 11 21H2 (22000.593)
       #561

    Ground Sloth said:
    The guidance from Intel says microcode updates have been released for Clarkdale, Lynnfield, and Gulftown processors. But the development of microcode for Bloomfield processors has been stopped for some reason.
    That's what I thought. Bloomfield are the original Core Ix CPUs, so I was wondering how one could make the statement that the original Core Ix CPUs had updated microcode.

    Of course, I now realize that your statement was probably including the Core2 duo and Core2 Quad CPUs, as I was only considering Core Ix CPUs as first generation.
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  3. Posts : 2,663
    Windows 11 21H2 (22000.593)
       #562

    Interestingly enough, I have the Bloomfield 965 EE Products formerly Bloomfield - according to Intel, the max Turbo Frequency is 3.46 GHz - however, using the dummy OC on my eVGA mobo, which is basically Turbo (according to what I read at the eVGA forums), it actually hits 3.7 GHz...

    Intel Core i7 Extreme 965 @ 3740.62 MHz - CPU-Z VALIDATOR

    I've always suspected that the eVGA method of a dummy OC was not actually just a regular turbo mode, and this seems to support that idea.

    Anyhoo, here's to hoping that I can get an updated microcode for this CPU (and furthermore, that eVGA gets the source for the BIOS to release a new BIOS for these EoL components).
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  4. Posts : 345
    Windows 10
       #563

    johngalt said:
    That's what I thought. Bloomfield are the original Core Ix CPUs, so I was wondering how one could make the statement that the original Core Ix CPUs had updated microcode.

    Of course, I now realize that your statement was probably including the Core2 duo and Core2 Quad CPUs, as I was only considering Core Ix CPUs as first generation.

    Clarkdale, Lynnfield, and Gulftown are all first generation Core processors based on the Nehalem architecture. I didn't say that Intel released microcode updates for all first generation Core processors. And no, I wasn't including the older Core 2 processors.
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  5. Posts : 2,663
    Windows 11 21H2 (22000.593)
       #564

    True enough. I read more into what you wrote than what you actually wrote. My apologies.
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  6. Posts : 2,663
    Windows 11 21H2 (22000.593)
       #565

    So, here is the kicker.

    Intel: We now won't ever patch Spectre variant 2 flaw in these chips | ZDNet

    According the the actual PDF, Bloomfield, Clarksfield, Gulftown, both Harper town Xeon families, Jasper Forest, Penryn, Sofia (Atom), all Wolfdale, and all Yorkfield are not going to get updated.

    microcode-update-guidance.pdf

    That sucks.
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  7. Posts : 345
    Windows 10
       #566

    I'm almost positive that yesterday it said that microcode updates for Gulftown processors had been released. I was either hallucinating, or it was a typo that was subsequently corrected.
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  8. Posts : 26,971
    Windows 10 (Pro and Insider Pro)
       #567

    johngalt said:
    So, here is the kicker.

    Intel: We now won't ever patch Spectre variant 2 flaw in these chips | ZDNet

    According the the actual PDF, Bloomfield, Clarksfield, Gulftown, both Harper town Xeon families, Jasper Forest, Penryn, Sofia (Atom), all Wolfdale, and all Yorkfield are not going to get updated.

    microcode-update-guidance.pdf

    That sucks.
    tenforums | intel-microcode-revision-guidance-spectre-variant-2-april-2
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  9. Posts : 2,663
    Windows 11 21H2 (22000.593)
       #568

    Thanks Andre - didn't see that when I was posting.
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  10. Posts : 26,971
    Windows 10 (Pro and Insider Pro)
       #569

    johngalt said:
    Thanks Andre - didn't see that when I was posting.
    It was very fresh at the time :)
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