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After a Windows 10 Update Today Overclocking is lost. WTF Microsoft and Intel???

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You're more than welcome. I'm glad it worked for me too! :D
 

phill

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Just Googled the KB number, came back with a fix - here... There's a few command line based tasks to do so hopefully if anyone else is having any issues with the update this will help :) It's pretty shitty of MS to do this..... I can't see the update on my 1803 install just yet...
 

hat

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Geez... quite a nasty update. I'm glad I didn't upgrade to anything newer. Now rather than upgrading for more performance, I'm just gonna wait this spectre/meltdown/etc crap out...
 

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Well f*uck me. Forced uninstalled that update in safe mode and now system is stuck in BSOD loop and can’t even get into recovery mode!

Thanks a bunch Microsoft for mess up my work computer with your “Intel validated” microcode update.
This kind of thing is the very reason why I run Ubuntu exclusively on my tower. The sad reality is that I can't be bothered to drop everything I'm doing because a freaking update destroyed my system. After happening twice, I said enough is enough.
 
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Never liked the idea of UEFI and how Microsoft\Intel could just change shit. just to much control over some thing you payed good money for.

Microcode updates were possible on conventional bios as well.
 

cadaveca

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Microcode updates were possible on conventional bios as well.
Not with the same invasiveness seemingly. It's actually a bit better now that with modern platforms MEI/AGESA and the base BIOS code are separate, but yeah, you've always been able to reboot the system to a BIOS/firmware installer... that installer might have run off DOS before tho, while now UEFI makes DOS obsolete.

My Surface has done BIOS, MEI updates, as well as TPM firmware updates, all with no issues, all pushed via Windows update, and you know, I really like that it does. But I understand that when issues like this occur, it seems like a big pain in the ass. It does also highlight how easy it could be to compromise a system... someone just needs to write code to take over Windows Update :p. I wonder what sort of CRC or whatever checks it does....
 

hat

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I remember a time when such updates would have to be applied "manually", with some sort of winflash program at best (read: easiest) or a DOS bootable USB or something at worst. You could then, before applying the update, see if there are any comments like "this update wrecked my system!" and avoid if you so choose.

Now these updates just sneak in your system at night and wreck up the place.
 
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Not with the same invasiveness seemingly.

Exactly the same. The procesor provides the ability to install microcode updates via an OS driver, and I know even XP had facilities for it. It has nothing to do with UEFI vs BIOS.

The difference is in the BIOS era there were few incidents in which they were used. But the facilities have existed since that awful pentium bug whose name escapes me.

Case in point: Nearly every LGA1366 system is BIOS code based, but they are getting mc updates including this one today. Did someone miss this fact?
 
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I'm just here for the horror stories.

AMD user here. :peace:

XKM, I'd maybe clarify.. I don't think its your overclock. It says the clock speeds are the same? Just a lower score. Or am I missing something?

Planning to get started on the Threadripper transplant this weekend. :-o

"Your license is attached to your microsoft account"

I just hope my Windows 10 Pro re-activates once I swap over on a fresh install on the NVMe drive.
 
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I guess I dodged a bullet here.

No system problems or performance degradation after the update. (Strix X99 Gaming & 5820K (Haswell-E))
 
Last edited:

cadaveca

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The difference is in the BIOS era there were few incidents in which they were used.
Well that's it. That's why I said "seemingly". :p ASUS manipulated this long ago with their e-OS or whatever it was called to create a "pre-OS OS". That was some brilliant engineering on their part.
 

Mussels

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*grabs popcorn*

I wanna see how this turns out
 
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Well that's it. That's why I said "seemingly". :p ASUS manipulated this long ago with their e-OS or whatever it was called to create a "pre-OS OS". That was some brilliant engineering on their part.

That was kinda just a bios module set to execute and doesn't use the microcode facilities at all... but yeah. Basically os in rom. You can still do this today in uefi with some knowhow.
 
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*grabs popcorn*

I wanna see how this turns out
Pass the popcorn.

Gee, there was an update today? Never noticed. #tinywall
 
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Need another Broadwell-E owner to check this.

Confirmed
Broadwell-E owner here, overclock 4.3ghz
CINEBENCH fell from 2188 to 1839
 
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*grabs popcorn*

I wanna see how this turns out

Probably the way it did for my A9-9420 APU... 2 months of relentless bitching to MS and then they finally fixed it. Except, in my case, the performance drop was astronomical as I could literally see things move in slideshows. Where with these, most of clueless people won't even notice and report it. And MS will be like "ALL IS FINE!"
 
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That would makes no sense. I have been using beta 3902 BIOS for a few months now and it has been perfect.

I'm wondering if your problem isn't that beta BIOS - maybe with beta microcode - conflicting with this KB.

Would be interested to see what happens if you go back to a stable BIOS and reapply the KB.
 
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ohhh that's great ... i just noticed my 6600K is back at 3.9ghz stock frequencies ...

dunno if it's related to that ...

tho ... well, i might push a Zen update sooner than later ... Intel is dead for me ... that's the last drop.
 

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So, is this an update that will affect all HEDT, because the wife has X79?
 
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So, is this an update that will affect all HEDT, because the wife has X79?
seemingly also normal one ... read above ...

although i have to check to be sure... nonetheless, a R5 2600X or a R7 2700X set will be due before the end of the year :mad:

check your 4790K ... just in case (if it affect Skylake and above only, lucky for you ;) ... well, they've still done it for me :laugh:)

are you freaking kidding me??? i re establish the OC, since i didn't see the KB4100347 update in the list so i thought i just did reset my bios by accident, and :
IMG_20180915_123642 (1).jpg

then it does a memtest ...
IMG_20180915_124111.jpg

i couldn't boot at all until i set the BIOS on default ...
all i can do now is forcing 3.9 turbo instead of OC 4.4 or above (well not even 3.95 OC works either )
 
Last edited:
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It doesn't seem to affect my 5820K from the looks of it, at least testing with CPU-Z benchmark which is a basic way of spotting broken CPU performance. Didn't evaluate performance of other subsystems like storage IO and memory IO...
 
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funny how every little underhanded tricks from Intel that made them faster than AMD counterpart are falling appart ...
melted-down, spectered out and now ... dodgy microcode update that disable OC on CPU that are bought because they are K or X ...

i am fed up.

update .... oh ... now 41° idle instead of the 26° i had before with OC and the exact same cooling...

Product name (CPU)
Public name
CPUID
Intel Microcode update revision

Skylake H/S
6th Generation Intel Core Processor Family
506E3
0xC2
Skylake U/Y & Skylake U23e
6th Generation Intel Core m Processors
406E3
0xC2
Skylake Server SP (H0, M0, U0)
Intel® Xeon® Bronze Processor 3104, 3106,
Intel® Xeon® Gold Processor 5115, 5118, 5119T, 5120, 5120T, 5122, 6126, 6126F, 6126T, 6128, 6130, 6130F, 6130T, 6132, 6134, 6134M, 6136, 6138, 6138F,
6138T, 6140, 6140M, 6142, 6142F, 6142M, 6144, 6146, 6148, 6148F, 6150, 6152, 6154,
Intel® Xeon® Platinum Processor 8153, 8156, 8158, 8160, 8160F, 8160M, 8160T, 8164, 8168, 8170, 8170M, 8176, 8176F, 8176M, 8180, 8180M,
Intel® Xeon® Silver Processor 4108, 4109T, 4110, 4112, 4114, 4114T, 4116, 4116T
00050654
0x2000049
Skylake D (Bakerville)
Intel® Xeon® Processor D-2123IT, D-2141I, D-2142IT, D2143IT, D-2145NT, D-2146NT, D-2161I,
D-2163IT, D2166NT, D-2173IT, D-2177NT, D-2183IT, D-2187NT
00050654
0x2000049
Skylake X (Basin Falls)
Intel® Core™ i9 79xxX, 78xxX
00050654
0x2000049
Kaby Lake U
7th Generation Intel® Core™ Mobile Processors
000806E9
0x84
Kaby Lake U23e
7th Generation Intel® Core™ Mobile Processors
000806E9
0x84
Kaby Lake Y
7th Generation Intel® Core™ Mobile Processors
000806E9
0x84
KBL-R U
8th Generation Intel® Core™ Mobile Processor Family
000806EA
0x84
Kaby Lake G
7th Generation Intel® Core™ Processor Family
000906E9
0x84
Kaby Lake H
7th Generation Intel® Core™ Processor Family
000906E9
0x84
Kaby Lake S
7th Generation Intel® Core™ Processor Family
000906E9
0x84
Kaby Lake X
7th Generation Intel® Core™ Processor Family
000906E9
0x84
Kaby Lake Xeon E3
7th Generation Intel® Core™ Processor Family
000906E9
0x84
Coffee Lake H 6+2
8th Generation Intel® Core™ Processor Family
000906EA
0x84
Coffee Lake S 6+2
8th Generation Intel® Core™ Processor Family
000906EA
0x84
Coffee Lake S 6+2 Xeon E3
8th Generation Intel® Core™ Processor Family
000906EA
0x84
Coffee Lake S 6+2 x/KBP
8th Generation Intel® Core™ Processor Family
000906EA
0x84
Coffee Lake S (4+2)
8th Generation Intel® Core™ Desktop Processor Family
000906EB
0x84
Broadwell DE A1
Intel® Xeon® Processor D-1513N, D-1523N, D-1533N, D-1543N, D1553N
50665
0xE000009
Broadwell DE V1
Intel® Xeon® Processor D-1520, D-1540
50662
0x15
Broadwell DE V2,V3
Intel® Xeon® Processor D-1518, D-1519, D-1521, D-1527, D-1528, D-1531, D-1533, D-1537, D-1541, D-1548,
Intel® Pentium® Processor D1507, D1508, D1509, D1517, D1519
50663
0x7000012
Broadwell DE Y0
Intel® Xeon® Processor D-1557, D-1559, D-1250, D-1571, D-1577, D-1581, D-1587
50664
0xF000011
Broadwell H 43e
Intel® Core™ Processor i7-5950HQ, i7-5850HQ, i7-5750HQ, i7-5700HQ,
Intel® Core™ Processor i5-5575R, i5-2505C, i5-2505R, i7-5775C, i7-5775R,
Intel® Core™ Processor i7-5700EQ, i7-5850EQ
40671
0x1D
Broadwell U/Y
Intel® Core™ Processor i7-5650U,i7-5600U, i7-5557U, i7-5550U, i7-5500U,
Intel® Core™ Processor i5-5350U, i5-5350,i5-5300U, i5-5287U,i5-5257U, i5-5250U, i5-5200U,
Intel® Core™ Processor i3-5157U, i3-5020U, i3-5015U, i3-5010U, i3-5006U, i3-5005U, i3-5010U, i5-5350U, i7-5650U,
Intel® Core™ Processor M-5Y71, M-5Y70, M-5Y51, M-5Y3, M-5Y10c, M -5Y10a, M-5Y10,
Intel® Pentium® Processor 3805U, 3825U, 3765U, 3755U, 3215U, 3205U,
Intel® Celeron® 3765U
306D4
0x2A
Broadwell Xeon E3
Intel® Xeon® Processor v4 E3-1258L, E3-1265L, E3-1278L, E3-1285, E3-1285
40671
0x1D
Broadwell Server E, EP, EP4S
Intel® Xeon® Processor E5-2603V4, E5-2609V4, E5-
2620V4, E5-2623V4, E5-2630LV4, E5-2630V4, E5-
2637V4, E5-2640V4, E5-2643V4, E5-2650LV4, E5-
2650V4, E5-2660V4, E5-2667V4, E5-2679V4, E5-2680V4, E5-2683V4, E5-2690V4, E5-2695V4, E5-2697AV4, E5-2697V4, E5-2698V4, E5-2699AV4, E5-2699V4
Intel® Xeon® Processor E5-2608LV4, E5-2618LV4, E5-
2628LV4, E5-2648LV4, E5-2658V4, E5-2699RV4, E5-
4628LV4406F10xB00002CBroadwell Server EX
Intel® Xeon® Processor E7-4809V4, E7-4820V4, E7-
4830V4, E7-4850V4, E7-8855V4, E7-8860V4, E7-8867V4, E7-8870V4, E7-8880V4, E7-8890V4, E7-8891V4, E7-8893V4, E7-8894V4406F10xB00002C
Haswell (including H, S), Xeon E3
4th Generation Intel® Core™ Mobile Processor Family,
Intel® Pentium® Mobile Processor Family,
Intel® Celeron® Mobile Processor Family
306C3
0x24
Haswell Perf Halo
Intel® Core™ Extreme Processor (5960x, 5930x, 5820x)
40661
0x19
Haswell Server E, EP, EP4S
Intel® Xeon® Processor v3 E5-1428L, E5-1603, E5-1607, E5-1620, E5-1630,
E5-1650, E5-1660, E5-1680, E5-2408L, E5-2418L, E5-2428L, E5-2438L, E5-2603, E5-2608L, E5-2608L, E5-2609, E5-2618L, E5-2620, E5-2623, E5-2628L, E5-2630, E5-2630L, E5-2637, E5-2640, E5-2643, E5-2648L, E5-2650, E5-2650L, E5-2658, E5-2660, E5-2667, E5-2670, E5-2680, E5-2683, E5-2685, E5-2687W,E5-2690, E5-2695, E5-2697, E5-2698, E5-2699, E5-4610, E5-4620, E5-4627, E5-4640, E5-4648, E5-4650, E5-4655, E5-4660, E5-4667, E5-4669
306F2
0x3C
Haswell ULT
4th Generation Intel® Core™ Mobile Processor Family,
Intel® Pentium® Mobile Processor Family,
Intel® Celeron® Mobile Processor Family
40651
0x23
Ivy Bridge
3rd Generation Intel® Core™ Mobile Processor Family,
Intel® Pentium® Mobile Processor Family, and Intel® Celeron® Mobile Processor Family
306A9
0x1F
Ivy Bridge Xeon E3
Intel® Core™ Processor Extreme Edition i7-4960X Intel® Core™ Processor i7-4820K, i7-4930K
306A9
0x1F
Ivy Bridge E, Ivy Bridge Server E, EN, EP, EP4S
Intel® Xeon® Processor v2 E5-1428L, E5-1620, E5-1650, E5-1660, E5-2403, E5-2407, E5-2418L, E5-2420, E52428L, E5-2430, E5-2430L, E5-2440, E5-2448L, E5-2450, E5-2450L, E5-2470, E5-2603, E5-2609, E5-2618L, E52620, E5-2628L, E5-2630, E5-2630L, E5-2637, E5-2640, E5-2643, E5-2648L, E5-2650, E5-2650L, E5-2658, E52660, E5-2667, E5-2670, E5-2680, E5-2687W, E5-2690, E5-2695, E5-2697, E5-4603, E5-4607, E5-4610, E5-4620, E5-4624L, E5-4627, E5-4640, E5-4650, E5-4657L
000306E4
0x42C
Ivy Bridge Server EX
E5-4610, E5-4620, E5-4624L, E5-4627, E5-4640, E54650, E5-4657L
000306E7
0x713
Sandy Bridge
Intel® Core™ i3-21xx/23xx-T/M/E/UE Processor,
Intel® Core™ i5-23xx/24xx/25xx-T/S/M/K Processor,
Intel® Core™ i7-2xxx-S/K/M/QM/LE/UE/QE Processor,
Intel® Core™ i7-29xxXM Extreme Processor,
Intel® Celeron® Desktop G4xx, G5xx Processor,
Intel® Celeron® Mobile 8xx, B8xx Processor,
Intel® Pentium® Desktop 350, G6xx, G6xxT, G8xx Processor,
Intel® Pentium® Mobile 9xx, B9xx Processor
206A7
0x2D
Sandy Bridge Xeon E3
Intel® Xeon® Processor E3-1200 Product Family
206A7
0x2D
Sandy Bridge Server EN/EP/EP4S
Intel® Xeon® Processor E5-2620, E5-2630, E5-2630L, E52640,
E5-2650, E5-2650L, E5-2660, E5-2667, E5-2670, E5-2680, E5-2690
206D6
0x61C
Sandy Bridge Server EN/EP/EP4S
Intel® Xeon® Processor E5-1428L, E5-1620, E5-1650, E51660, E5-2403, E5-2407, E5-2418L, E5-2420, E5-2428L, E5-2430, E5-2430L, E5-2440, E5-2448L, E5-2450, E52450L, E5-2470, E5-2603, E5-2609, E5-2620, E5-2630, E5-2630L, E5-2637, E5-2640, E5-2643, E5-2648L, E52650, E5-2650L, E5-2658, E5-2660, E5-2665, E5-2667, E5-2670, E5-2680, E5-2687W, E5-2690, E5-4603, E54607, E5-4610, E5-4617, E5-4620, E5-4640, E5-4650,E5-4650L
Intel® Pentium® Processor 1405
206D7
0x713
Knights LandingIntel® Xeon® Phi™ Processor 72xx506710x1B6Knights MillIntel® Xeon® Phi™ Processor Family806500x18

edit ... i still fail to find KB4100347 in the installed update list ...
 
Last edited:
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Although my system wasn't impact by this, I put this little package together with details on how to remove and block update KB4100347 (Sept 2018).

I hope it is helpful to someone. :)
 

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  • Remove and Block KB4100347.zip
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Last edited:

AsRock

TPU addict
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Exactly the same. The procesor provides the ability to install microcode updates via an OS driver, and I know even XP had facilities for it. It has nothing to do with UEFI vs BIOS.

The difference is in the BIOS era there were few incidents in which they were used. But the facilities have existed since that awful pentium bug whose name escapes me.

Case in point: Nearly every LGA1366 system is BIOS code based, but they are getting mc updates including this one today. Did someone miss this fact?

But they did not do this shit before, simple fact is that a bios update is all ways a risk and did it when you thought it was the best time to do so ( like reseting the bios with no overclock ). Like hell a storm could be rolling in and Windows decides to update.

Storm hits system shuts down maybe a 30 minute UPS was not long enough and POOF systems screwed and NO one to take blame for it.
 
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