ES Xeon Discussion

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SDletmk

Member
Dec 30, 2023
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don't do that for ES. intel can change mind every day.
especialy at sapphire rapids the MCC wan't planed at begin, intel decided late because of the power draw of the EMIBs (tile2tile interconnect)
I'm mainly trying to puzzle out compatibility with my Asrock (and because I want to get a better understanding of these things). If the QYFT was workstation-ish, that would explain to me why it's XCC despite having so few cores. Also, it would be interesting to know whether it has 112 PCIE or 80 PCIE lanes, not that that matters for the Asrock.
 

RolloZ170

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Apr 24, 2016
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If the QYFT was workstation-ish, that would explain to me why it's XCC despite having so few cores. Also, it would be interesting to know whether it has 112 PCIE or 80 PCIE lanes, not that that matters for the Asrock.
80lanes.
QYFT is SPR-SP (not WS)
at that time single DIE (MCC) wasn't planned by intel.
but finaly today there are XCC models with only 32 cores.
 

masutatsu

New Member
Nov 21, 2024
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correct. i have 112L ES C0 stepping, but don't work on any retail motherboards (i guess only intel ES board)
I made a MOD microcode for you. This is still in research phase.
I need results for using this MOD microcode by inserting to your BIOS.
Could you test this?
Thank you!

Attached Zip just include .bin microcode file only. I can't upload .bin directly...
 

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masutatsu

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Nov 21, 2024
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A0/A1/B0 stepping. 806F0 / 806F1 platform 10
stepping D0 is SPR-SP XCC platform 87
SPR-HBM have Ax / Bx stepping,
no way on motherboards without Xeon Max. support (need add. voltage to the socket)
I got it... :(
Thank you for your support!
If I got more time and money, I'll try it on C741 motherboard with MOD microcode!
Thanks ;)
 

RolloZ170

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Apr 24, 2016
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I made a MOD microcode for you. This is still in research phase.
I need results for using this MOD microcode by inserting to your BIOS.
i have already done and much more. its not just the microcode.
ASUS W790-Ace: POST stops with "CD" you can find this in seccore module of BIOS.
 

RolloZ170

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Apr 24, 2016
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If I got more time and money, I'll try it on C741 motherboard with MOD microcode!
not only the microcode. for each cpuid there is a uncore support module. the SPS (like ME but for server) may block it.
i recommend gigabyte, they have almost all native Xeon Max support.
imho it is not worth the hazzle because early stepping is full of bugs.
 

masutatsu

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Nov 21, 2024
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not only the microcode. for each cpuid there is a uncore support module. the SPS (like ME but for server) may block it.
i recommend gigabyte, they have almost all native Xeon Max support.
imho it is not worth the hazzle because early stepping is full of bugs.
By the way, I replaced the entire ME region of ASRock W790 with gigabyte's W790 AI TOP, and it progressed to the AA code.
However, perhaps the Xeon MAX ES was defective, and the BIOS screen did not appear...
 

Civiloid

Active Member
Jan 15, 2024
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Xeon motherboards have started appearing since august for socket LGA4710 and recently coolers for LGA7529, has someone tried any ES on those yet?
I'm also curious about that and also for information if R1S parts would be a separate SKU or all 1S LGA4710 GNR would be R1S or any GNR that you'd put into single-socket LGA4710 would act as R1S part as for some of my projects I'd actually prefer single socket machine that have 6+ PCIe Gen5 x16 slots... For a simple reason - my current dual-socket MS73 with 8490H ES setup have weird distribution of PCIe slots across PCIe Root Complexes of both sockets. One PCIe slot is on its own Root Complex, 2 other on second (repeated for 2 sockets) and whenever I put load on second Root Complex, it affects the other PCIe device on it and I would really like to avoid having that.
 

masutatsu

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Nov 21, 2024
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Does anyone have or know BIOS file which is Xeon MAX ES(906f1/10) supported...?
I want to use it for learning BIOS structure understanding.
 

Civiloid

Active Member
Jan 15, 2024
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only the R1S option SKU support 136 lanes.
Well... somewhat expected, but are there even any known R1S SKUs exist?

not all LGA4710 motherboards support 136 lanes(so far i see none)
https://www.asrockrack.com/general/productdetail.asp?Model=GNRD8-2L2T#Specifications - that one should, but its not clear if it would support GNR ES (and if there would be any R1S ES). I've seen offers on Alibaba and on some shady-looking websites only, for about 780-1100 USD.
 

RolloZ170

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Apr 24, 2016
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yes, nice. but ASRock Rack...
but its not clear if it would support GNR ES (and if there would be any R1S ES).
there are two types of ES. ES1 A0 and ES2 A2. i doubt A2 works on ASRock Rack, they even doesn't support ES2 on LGA4677 platform.
I've seen offers on Alibaba and on some shady-looking websites only, for about 780-1100 USD.
that is the price. low prices at Sapphite Rapids ES is a very rare exception because of intel's silicon rework.