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ASUS Pro WS W790E-SAGE SE + Intel Xeon Sapphire Rapids SPR-SP

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vik.ha

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Sep 4, 2024
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Question:
On SAGE with QYFS, are those 3 extra PCIE slots(2,4,6) are not used at all, or they can be bifurcated lets say PCIE_1 x8 ( + PCIE_2 x 8)?
 

RolloZ170

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Apr 24, 2016
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On SAGE with QYFS, are those 3 extra PCIE slots(2,4,6) are not used at all, or they can be bifurcated lets say PCIE_1 x8 ( + PCIE_2 x 8)?
answer:
no. they are not supplied over switches.

SAGEschem.jpgSAGEschem2400.jpg
 
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vik.ha

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Sep 4, 2024
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Why ACE is better? Isn't this due to the limitations of PCI-E lanes?
I mean in terms of number PCIE slots, judging by block diagram ACE has 5 - PCIE slots, two of which has switch and could work as PICE x16/x0 or PCIE x8/x8 . for me it's meter I could stick extra x8 nic without PCIE riser/splitter card.
 

vik.ha

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Sep 4, 2024
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they have both unfortune things, e.g. ACE = only quad-channel memory.
Thank you @RolloZ170 you are reading my thought, I was about to ask of drawbacks of W790 except of number of memory channels when running QYFS.

Also wold ASRock W790 WS R2 works with QYFS? I see it's mentioned in spreadsheet just not sure about R2.
Thanks.
 
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Ezy

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Mar 4, 2023
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Question:
On SAGE with QYFS, are those 3 extra PCIE slots(2,4,6) are not used at all, or they can be bifurcated lets say PCIE_1 x8 ( + PCIE_2 x 8)?
Using a 80 lanes cpu like QYFS on SAGE enables pcie slot #6 and both M2 Gen5 slots.
It's not documented by Asus because this combination was never intended.
 

vik.ha

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Sep 4, 2024
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Using a 80 lanes cpu like QYFS on SAGE enables pcie slot #6 and both M2 Gen5 slots.
It's not documented by Asus because this combination was never intended.
That's perfect thanks @Ezy (that what I was pretty much hoping :)).

So on SAGE with 80 lines CPU, it's full 5 PCIE - x16 slots, minus two x4 (2 x M2 Gen5 if used), isn't it?
 

Max1024

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Jun 23, 2024
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I encountered a problem with the assembly QYK8 + ASUS Pro WS W790E-SAGE SE + RDIMM 6800Mhz 16GB from kingston + Noctua cooler. I installed 2 memory sticks in the right slots according to the manual, the stock BIOS was 0215. Only the processor, memory and video card were installed. Once I saw POST code 31 (memory installed), from the very beginning there was no image on the monitor (I did not use a UEFI video card) but the USB keyboard responded to pressing, but then I reset the CMOS and the processor LED (1st LED in a group of four) on the upper right began to light up red. I updated the BIOS to 0805 , then to 1202, wiped the processor with alcohol, but unsuccess - CPU red LED is light . I do not have other processors, as well as a motherboard. What else can you advise to do?
 

RolloZ170

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Apr 24, 2016
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Only the processor, memory and video card were installed. Once I saw POST code 31 (memory installed),
you got POST codes, return to this config.
from the very beginning there was no image on the monitor (I did not use a UEFI video card)
GPU may not compatible and if you see image very late after memory and PCIe initialisations.
use the onboard analog VGA 15pin (integrated in ASPEED BMC)
 
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Max1024

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Jun 23, 2024
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Today I add an extra 8-pin power cable near the 24-pin connector (from the left) and the total number of cables = 4. A pair of 8-pin + 24-pin and an extra 8-pin to the left of the 24-pin connector. I saw the post but the system hangs in BIOS (latest version 1502), it seems something with the C-states? Who uses what BIOS version with QYK8 and other D0 processors?
 

RolloZ170

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Apr 24, 2016
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saw the post but the system hangs in BIOS (latest version 1502), it seems something with the C-states? Who uses what BIOS version with QYK8 and other D0 processors?
normaly freeze at OS load. try 0215.
ES and latest BIOS is not a good idea. can work but must not.
 

Max1024

New Member
Jun 23, 2024
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In total, I flashed 5 different BIOSes to this board and as a result, everything hangs at the stage of entering the BIOS or on the first BIOS screen. I tried to install 1, 2 and 4 memory sticks, their volume is determined correctly. The 1 kW power supply previously worked without problems. The motherboard itself is new, the processor - QYK8 from Ebay, Noctua cooling with 2 coolers, plus 2 additional coolers are installed to blow the VRM and socket. I have run out of ideas, something is not working properly, installing and reinstalling the processor with wiping it with alcohol did not help, using integrated or discrete graphics as well. I think either the processor QYK8 or the board.