ES Xeon Discussion

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Seatechnerd83

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Feb 28, 2025
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Would a dell 0XFK4K R640 mobo be able to support cascade lake QQ89 8260 ES Xeons with A0 stepping? Theyre really cheap right now and I'm thinking there might be a reason for that.
 

nijubay

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Mar 2, 2025
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im new to this, can anyone explain the deal with the DELL F4Y1M? i want to get a Platinum 8461V QYFU and was wondering if it'll work on it, if it doesnt work then i would love to hear alternatives if not i'll probably get a known mobo that works but this dell one seems really good for the price, sorry if im being a bother im just new to these engineering sample things and dont know much
 

nijubay

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Mar 2, 2025
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forgot to mention but would appreciate explanations on all the "steppings"? like D0 E0 etc. and whatever else a newbie should know
 

RolloZ170

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Apr 24, 2016
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im new to this, can anyone explain the deal with the DELL F4Y1M? i want to get a Platinum 8461V QYFU and was wondering if it'll work on it,
Precision 5860 supports Xeon W?-24xx and only quad channel memory.
so far unclear if it can run XCC Xeon W?-34xx
the BIOS doesn't support D0, even not very old one. maybe early E0. BIOS may be modified and flashed by SPI programmer(e.g. ch341a) but not tested. if Intel ME doesn't start ES there is no way because the required Tools (mfit) for that ME version are not leaked so far.
on the first view the F4Y1M looks cheap, but it needs propriätäry PSU from Dell, doesn't fit in any standard case etc.
 
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stoots

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Jun 3, 2024
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MS33-CPA owners:
Any attempts at running EMR ES/QS/retail CPUs on this board? I'm aware that there's no formal BIOS update train, but perhaps crossflashing with MS33-AR0/CP0 or trying to patch existing BIOS manually might work? (I'm ignorant, apologies)
Have yet to update the BMC; will test doing so later.

Want to formalize info on this board; seems like that one NL eBay listing from last year was the only place it's been seen so far. I went for one of the MS33-CPA after selling my W790-platform things and QYFU. It runs my Q071 without complaint.
 

RolloZ170

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Apr 24, 2016
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Any attempts at running EMR ES/QS/retail CPUs on this board? I'm aware that there's no formal BIOS update train, but perhaps crossflashing with MS33-AR0/CP0 or trying to patch existing BIOS manually might work? (I'm ignorant, apologies)
PM you.
Have yet to update the BMC; will test doing so later.
you can use the BMC FW from any MS33.
 
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stoots

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Jun 3, 2024
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im new to this, can anyone explain the deal with the DELL F4Y1M? i want to get a Platinum 8461V QYFU and was wondering if it'll work on it, if it doesnt work then i would love to hear alternatives if not i'll probably get a known mobo that works but this dell one seems really good for the price, sorry if im being a bother im just new to these engineering sample things and dont know much
I've had hands-on experience with these boards from just dealing with the Precision 5860s elsewhere. These suck; very long post times ~1m 20s with nothing of note enabled.
Quirk: Powering off by holding the power button, like most Dell Precisions, causes them to power back on -then- off, which can be confusing if this behavior isn't known. But on the 5860 it takes the better part of a minute before it powers back off to let you try to power on and boot normally.
Proprietary front panel, PSU connections too. Non-bypassable fan and even M.2 heatsink warnings (causing another 1m 20s POST sequence if acknowledged), proprietary fan connection, etc.

From the bottom of my heart, use a different board.
 
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nijubay

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Mar 2, 2025
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the BIOS doesn't support D0, even not very old one. maybe early E0. BIOS may be modified and flashed by SPI programmer(e.g. ch341a) but not tested. if Intel ME doesn't start ES there is no way because the required Tools (mfit) for that ME version are not leaked so far.
on the first view the F4Y1M looks cheap, but it needs propriätäry PSU from Dell, doesn't fit in any standard case etc.
I've had hands-on experience with these boards from just dealing with the Precision 5860s elsewhere. These suck; very long post times ~1m 20s with nothing of note enabled.
Quirk: Powering off by holding the power button, like most Dell Precisions, causes them to power back on -then- off, which can be confusing if this behavior isn't known. But on the 5860 it takes the better part of a minute before it powers back off to let you try to power on and boot normally.
Proprietary front panel, PSU connections too. Non-bypassable fan and even M.2 heatsink warnings (causing another 1m 20s POST sequence if acknowledged), proprietary fan connection, etc.

From the bottom of my heart, use a different board.
alright yea it makes sense what board should i get? i want something that i can maybe find a good deal on and know that it works, any suggestions? the asrock one looks nice but idk what cpus work with it, same story with the asus one too
 

RolloZ170

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Apr 24, 2016
9,980
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germany
Want to formalize info on this board; seems like that one NL eBay listing from last year was the only place it's been seen so far.
the CPA is a suctom OEM motherboard for a European Datacenter Company.
you will never get any support, warranty or new BIOS from Gigabyte, you have to ask the OEM Company which is unknown to me.
 

RolloZ170

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Apr 24, 2016
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I scanned over this thread and didn't see any mention of a CPU I saw on ebay. It's QX97, being sold as a W-3375 ES.

It's got lower base speed printed on the processor and no other information on the listing.
ES = mostly lower clocked.
QS = same clocks than prod.unit.
QX97 is afaik stepping C0 = not work on latest BIOS.
edit: Gigabyte MU72-SU0 runs it.
Qx97 is cpuid 606A6 stepping Dx
(thx to MillionMiles)
 
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coalzhao

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Sep 26, 2024
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truly impressive expertise!
my main goal is using SPR-SP ES CPU to test 300 series optane dcpmm with different SKU. since i have succeeded with C741 chipset and Q079, i am wondering the possibility to power (or even overclocking) them with W790 chipset, so i am looking for some suitable W790 motherboards. I’m short on funds, so I have to be thrifty.
anyway, thanks for all the info.
Does any c741 motherboard support DCPMM 300?
 

HexJacaranda

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Feb 21, 2025
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I have got q077 and qyfs with motherboard ms03 ce0. But I found out that the cpu cannot boost over maximum frequency of all cores (2.7 GHz for q077) even at light load, which should be easily over 3 GHz. So I wonder what’s the problem?

The system installed is windows server 2022. And I have set the power policy to BestPerformance in BIOS and windows. Still not working. The only way that works is to adjust the count of cpu cores to 16 in BIOS by setting the disable mask