ES Xeon Discussion

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RolloZ170

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Apr 24, 2016
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SdFr83 said:
I've found that setting Memory Interleaving to 'AUTO' prevents the system from booting
Click to expand...
this is BIOS factory default, isn't it ? how did you changed it ?
there is only 1-way and 2-way. auto selects one of them.

Key Aspects of Ice Lake IMC Interleaving:
  • IMC Interleaving Levels: The system can be configured for 1-way (no interleaving between IMCs) or 2-way interleaving (interleaving across both IMCs).

Summary Table for BIOS Setup:

Setting RecommendationReason
SNCDisabled1 cluster, 2-way IMC interleaving
SNCEnabled2 clusters, 1-way IMC interleaving
IMC Interleaving2-wayBetter bandwidth (if SNC disabled)
IMC Interleaving1-wayNecessary for SNC (2 clusters)

if auto does not work it is beta BIOS bug.
SdFr83 said:
maybe an ES limitation there ?
Click to expand...
oh no, not again... i am out here, good luck.
 
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SdFr83

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Mar 10, 2026
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Bios factory is 1-way with three choices : AUTO/1-way/2-way
I thought that AUTO may allow higher than 2-way, as Ice lake have 4 memory controllers (2 slots per controller). I would expect 4-way would be the sweet spot for latency & bandwidth (but maybe I'm wrong).
 
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Jon

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Feb 28, 2016
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Hi anyone here have experience or numbers for a Gigabyte MU72-SU0 with a ES 8352? Were you guys able to make it use PL1 power and arre those ram alarm normal 40DegC is low for temps or really a issue

AIDA64 CPUZ ETC..

1775970945427.png
 
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RolloZ170

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Apr 24, 2016
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Jon said:
Were you guys able to make it use PL1 power and arre those ram alarm normal 40DegC is low for temps or really a issue
Click to expand...
RAM temp red is normal behave for HWInfo. you have 204.992W (max 205W) so what is your issue ?
edit: set PL1 Time Window (BIOS) to e.g. 128 seconds and you can get more than 205W for 128 secnds.
 
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ViridityHair

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Jun 24, 2025
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RolloZ170 said:
if you mainly need high clocks, look for Q2Y7 emerald rapids ES
same 32C MCC but 300W and DDR5-5600 support
(you can OC your 4800 if CPU suports more)
i have mod. BIOS R20 to run Q2Y7
Click to expand...
hello , i use Official BIOS R22 to run Q2Y7, but it need 5 mins before POST.
if u have ms03-6l0 mod BIOS?
thx
 
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ViridityHair

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Jun 24, 2025
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Hi guys, if anyone want to use PMem300 in MS03-6L0. I get BIOS F06 for it.
remember it just work in SPR. Download if u needed:FO6
 
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Jon

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Feb 28, 2016
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RolloZ170 said:
RAM temp red is normal behave for HWInfo. you have 204.992W (max 205W) so what is your issue ?
edit: set PL1 Time Window (BIOS) to e.g. 128 seconds and you can get more than 205W for 128 secnds.
Click to expand...
Trying to see if otehr have similar number to me.

But I seem to never get PL2

Turbo and speedstep seem really slow to ramp up so the machine seem sluggish.

Use this machine for alot of Vector and math computation, with benefit having SMT off. That is preaty mutch the only change i did in bios. Will look and see if I can change PL1 and PL2 duration

CPUZ single scope is often bellow 400 witch seem slow to me for this cpu that should trubopast 3.4ghz. The multi core start at 6000 but ramp up to 10000 before the duration of the test
1776008748612.png

Cinebench R23 actually gain speed over time insteed of slowing down du to heat sook and PL2 PL1 timing out
1776008798470.png
 
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Jon

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Feb 28, 2016
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RolloZ170 said:
this is server cpu not desktop. PL2 is only for a fraction of a second.
Q2Y7 with SMT
View attachment 48480
Click to expand...
So my single core speed is really not good it seem. It should cloock to 3.4ghz on multi core i clock around 2.5ghz on single dont alway go to 3.4 some time 2.5 2.7 3.2

How high is you Q2Y7 clocking on single core work load and maiby on CPUZ to see a more burst like work load

if i set performance mode in bios i get limited to 2.5ghz so will co back to auto of balanced1776012147337.png
 

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R

RolloZ170

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Apr 24, 2016
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Jon said:
if i set performance mode in bios i get limited to 2.5ghz so will co back to auto of balanced
Click to expand...
don't touch that BIOS setting if you have OS with cpu control.
windows. high perf. = no single turbo but good all core.
Jon said:
How high is you Q2Y7 clocking on single core work load and maiby on CPUZ to see a more burst like work load
Click to expand...
all core 3700mhz (fused max. stress cpu)
Unbenannt005sth.jpgUnbenannt006sth.jpg

Windows need 60% cpu load to wake up cores, good for 8 core cpu but with 32/64 core ?

use high perf.power plan (not ultimate)
but min.processor state = 25% (default is 100%)
cmd window
- to unhide Processor idle demote threshold
powercfg -attributes SUB_PROCESSOR 4b92d758-5a24-4851-a470-815d78aee119 -ATTRIB_HIDE
- to unhide Processor idle promote threshold
powercfg -attributes SUB_PROCESSOR 7b224883-b3cc-4d79-819f-8374152cbe7c -ATTRIB_HIDE
now you have 2 more options in power options "processor power management"
default is 40/60
set to 95/98
 
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J

Jon

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Feb 28, 2016
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RolloZ170 said:
don't touch that BIOS setting if you have OS with cpu control.
windows. high perf. = no single turbo but good all core.

all core 3700mhz (fused max. stress cpu)
View attachment 48485View attachment 48486

Windows need 60% cpu load to wake up cores, good for 8 core cpu but with 32/64 core ?

use high perf.power plan.
but min.processor state = 25% (default is 100%)
cmd window
- to unhide Processor idle demote threshold
powercfg -attributes SUB_PROCESSOR 4b92d758-5a24-4851-a470-815d78aee119 -ATTRIB_HIDE
- to unhide Processor idle promote threshold
powercfg -attributes SUB_PROCESSOR 7b224883-b3cc-4d79-819f-8374152cbe7c -ATTRIB_HIDE
now you have 2 more options in power options "processor power management"
default is 40/60
set to 95/98
Click to expand...
Played in bios setting to reset the power management but it activated SMT again so multiscore is higeher tehn it should.

But the rest is helping thank you. (changin gthe bios to let the OS manage power not the bios)

DDR5 price to hight for me whent for DDR4 and LGA4189 wanted to see if it was better then 8259CL was hopping for more single core gains

1776013734205.png

my 8259CL that you halp optimise in the past
1776016336184.png

and 8124M

1776016757868.png
 
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R

RolloZ170

Well-Known Member
Apr 24, 2016
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3,204
113
germany
Jon said:
DDR5 price to hight for me whent for DDR4 and LGA4189 wanted to see if it was better then 8259CL was hopping for more single core gains
Click to expand...
this table can help you choose a cpu thought. keep in mind with high/ultimate perf. mode you can't get max. Turbo clock.
if you need only few cores with high clock i recommend cpu with low core count.
8368 turbo bins.jpg
you may check QVLP with 330W allows higher all core clock
www.ebay.com

✅Intel Xeon Platinum 8375C ES QVLP 2.8GHz 32C / 64T 54MB 330W LGA4189 CPU | eBay

For AMD CPU. For Ryzen CPU. This item is ES (Engineering Sample), not the official version, and its performance is different from the official version. The Gigabyte C621A require the BlOS version to be downgraded to the factory initial version 1.0 or 1.1.
www.ebay.com
 
S

stridervvv

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Nov 20, 2025
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Remember that 1 clock cycle of the processor generates 1 unit of heat. Thus, the total computing power is proportional to the maximum tdp (for example, in finite element calculations). However, if you are using specific processor blocks that cannot load the processor to 100% TDP, then a higher number of cores is optimal. The choice depends on the specific task. For performance in mathematical packages, I would recommend the 8368/8368Q (higher frequency per core).
 
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