ES Xeon Discussion

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ghxst

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Oct 2, 2024
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RolloZ170 said:
intel removed A0 stepping. i wonder it still works.

BIOS is signed, Intel BIOS guard...
maybe use SPI flasher, read, modify and flash back,
i was not succeccfull with this, but gave not much time.

but linux and windows(KBxxxxnnnn) are able to update microcode.
Click to expand...
Might be an old trick but can you inject the bios after signature is read?
 
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RolloZ170

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ghxst said:
Might be an old trick but can you inject the bios after signature is read?
Click to expand...
BIOS guard is online self check. if the microcode is not part of protected area it should work with SPI flasher.
signature is checked by flash update tool. (protect against modification by third party)
 
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zackiv31

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Anyone know if there are any ES/QS Sapphire Rapids CPUs LGA4677 that work in Supermicro X13 motherboards e.g. X13SEI-F ? Looking to put together the cheapest DDR5 RDIMM testbench for memory.
 
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RolloZ170

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zackiv31 said:
Anyone know if there are any ES/QS Sapphire Rapids CPUs LGA4677 that work in Supermicro X13 motherboards e.g. X13SEI-F ?
Click to expand...
late E0 stepping and up.
E0 e.g. Q0KG,Q0KL,Q0KH,Q0KJ,Q0KS,Q0KM...(cheap at taobao/idlefish/goofish)
edit: all QS work.
 
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SDletmk

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I'm trying to do more research on the Sapphire Rapids platform. As I understand it, they have cores that Intel calls High Priority and Low Priority cores rather than Performance and Efficiency cores. Looking at the 4th Gen Xeon CPUs in the comparison on Intel's website, all of the E1A scalables I checked top out at 16 High Priority cores.
Are P-cores the same as High Priority cores but with a different name?

If I disabled all but the 16 High Priority cores, would I be able to hit a higher speed than if I left the Low Priority scores on? Do the D0s even have that distinction in their stage of development?
 
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Civiloid

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JosefHrib

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SDletmk said:
I'm trying to do more research on the Sapphire Rapids platform. As I understand it, they have cores that Intel calls High Priority and Low Priority cores rather than Performance and Efficiency cores. Looking at the 4th Gen Xeon CPUs in the comparison on Intel's website, all of the E1A scalables I checked top out at 16 High Priority cores.
Are P-cores the same as High Priority cores but with a different name?

If I disabled all but the 16 High Priority cores, would I be able to hit a higher speed than if I left the Low Priority scores on? Do the D0s even have that distinction in their stage of development?
Click to expand...
All cores are p cores.
 
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RolloZ170

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SDletmk said:
If I disabled all but the 16 High Priority cores, would I be able to hit a higher speed than if I left the Low Priority scores on? Do the D0s even have that distinction in their stage of development?
Click to expand...
yes. but High and Low Priority cores are the same core type.
remaining cores can go higher clocks.
e.g. QYFS D0 has turbo of 3700mhz (1..28C)
disable 28 cores and the remaining 28 cores go 3700mhz.
example: 32C with 16C enabled
Unbenannt004_16C.jpg
 
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SDletmk

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RolloZ170 said:
yes. but High and Low Priority cores are the same core type.
remaining cores can go higher clocks.
e.g. QYFS D0 has turbo of 3700mhz (1..28C)
disable 28 cores and the remaining 28 cores go 3700mhz.
Click to expand...
I had read that before and it was where I got this idea, not realizing that it wasn't a mix of cores but based on amount of them.
Considering that I wouldn't expect to have more than 24 or 26 cores on an Asrock W790, that sounds very good.
Is there a chart, list, or projected graph anywhere with correlated core counts to clock speed for D0?
 
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sam55todd

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SDletmk said:
I had read that before and it was where I got this idea, not realizing that it wasn't a mix of cores but based on amount of them.
Considering that I wouldn't expect to have more than 24 or 26 cores on an Asrock W790, that sounds very good.
Is there a chart, list, or projected graph anywhere with correlated core counts to clock speed for D0?
Click to expand...
Something like this or this (SST-PP section aka Speed Step Technology for some SKUs configurable via BIOS where you can select number of cores from very limited set of configurations) ?
I think it's not widely available for ES versions apart from generic info like in RolloZ170' post from HWINFO64 above (which IMV is different from SST-PP since it's more related to Turbo limits which is normally restricted by duration, although you can select core affinity on operating system level too)
 
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gigge1234

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S2600WF BIOS Mod Update

After dumping the BIOS via SPI, I added the updated microcode—surprisingly straightforward for a first attempt!

Finally, no more error messages in the management interface. Previously, the errors were severe enough to halt the system, but now it’s stable.

Turbo Boost seems to work fine. All cores boost to around 3 GHz, and with fewer cores active, it can clock even higher.

Any recommendations for additional tweaks or features to include in a modded BIOS?

I can’t run Geekbench at the moment since it doesn’t support ES chips, but I’ve been using PassMark PerformanceTest for Linux instead: PassMark PerformanceTest.

During benchmarks with all cores turbo-enabled, temperatures stay below 66°C, which is great. Fan control through the BIOS works well, keeping the server relatively quiet.

Performance is comparable to a Xeon 8260, but since this is a dual-CPU system, the benchmark results are roughly double those of a single CPU setup.

I’m still unsure about memory configuration and benchmarking. MemTest86 runs without errors and completed a full pass, but I could use advice on how to properly configure or test the memory for optimal performance.
 

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itstrislul

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Good day everyone,
I’ve been attempting to boot QDCS on my Chinese X99 motherboards (Jingsha X99-8D3 and Huananzhi X99-8M-F), but sadly without success. Here is the summary of what I have done:

  1. According to this CPU-World link https://www.cpu-world.com/sspec/QD/QDCS.html, QDCS has CPUID 0306F0h. Having said that, every BIOS I tried that has 306F0 microcode only showed Q-code FF. A person on the CPU-World page also commented that the CPU only supports DDR3, which I already confirmed as on my Huananzhi board (runs DDR4 and BIOS doesn’t have 306F0 microcode), it stopped at Q-code B7 (memory error). That left all of my following steps conducted on my Jingsha X99-8D3 (runs DDR3).
  2. When I tried to remove 306F0 microcode, the board got past FF but got stuck at 79 (PCH Initialization). This made me thought about downgrading the ME as I have known several instances in which the ME blocks the CPU from loading. It still didn’t work out, however.
I read a post on Xianyu (Chinese second-hand market) in which the seller claimed that his QDCU (also an A0 sample) booted on his unspecified ASRock MB, but after he updated the BIOS, it no longer did. Does anyone happen to know any motherboard which has booted up this CPU? If not, can someone offer some insights as to what should be modified in the BIOS? I would gladly appreciate your precious help.
 
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RolloZ170

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vik.ha

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Happy Christmas,

Stupid question, gygabyte MS33-AR0 ("BIOSVersion" : "R07") - latest I'm afrade, xeon ES QYFS .
Is no POST nor video Output = dead cpu?
Some activity on CPU sensors, if I read it right, but feels like it's just MB hickup.
s-l1600.png
 
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