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Idle power consumption is certainly better on AM4 than on old Xeon E5, and far more relevant for home servers than full load. Most relevant CPUs are, or may be tuned down to 65 W TDP, and with AMD max power is strictly predicatable as 135% TDP, not 250-300% as now hapens in Intel land.

8 HDDs on a 300 W PSU? :eek: We have a strong hint, two posts above, that 450 W does NOT cut it… https://www.truenas.com/community/resources/proper-power-supply-sizing-guidance.39/

My posts under the main site posts disappear into the Great Void, so I'll ask here: What's "Pro" with these modules? I do not see any mention of ECC.

Servers are about reliability over performance. But the performance question for EPYC 4004 is easy to answer: These are EPYC-rebranded, server-certified, Ryzen parts; they should perform just like the corresponding desktop parts.

Gigabyte MC13-LE1 sports Intel X710 NIC, but for low power you'd be better with a SFP+ card. Like Supermicro and AsRock Rack, Gigabyte added support for EPYC 4004 to their existing AM5 server board.

No! BMC is totally independent from BIOS. There are two separate processes to update both, and two different file formats, as indicated above by @phol . Consider that flashing BIOS always carry the risk of bricking the board if the process fail. With a BMC, it is always possible to flash the...

Using more than 1 DIMM per channel drops speed to 2133 MHz. The board is probably best used with 2 DIIMMs only.

That doesn't even make economical sense. AEC-82885T SAS3 expanders go for 30 E apiece on eBay. One would be spending more on bifurcating risers and cables than on expanders… Maybe you mean 4096 drives per HBA, every five of them. But then one can now get a 1st. gen. Xeon Scalable and its...

One system received. Thanks! Mine came with two sticks of non-ECC UDIMM-2133 (Kingston KVR21N15D8/16). No storage, as described, but the Supermicro cable to feed one SATA drive from the on-board 4-pin Molex was included—another of these nice-to-have costly little accessories.

Beta F14 one week after F13 was released? https://www.gigabyte.com/Enterprise/Server-Motherboard/MC12-LE0-rev-1x#Support-Bios

PM for the Kalea/Linkreal PCIe switch. Edit Picked up the Kalea card. Good luck with the sale for the remaining Asus system!

SNK-C0111AP4L uses the same backplate BKT-0135L as the heatsink on my X12SDV-4C-SP6F. Accorting to Supermicro support, the SNK-C0111AP4L can be used as active heatsink on the X11SDV-8C-TLN2F. I guess this is the best bet for X12SDV boards as well. And then, we may replace the fan by a quieter...

This won't work. You can't bifurcate the 8i slot to x4x4 either. You'd need a PLX switch. Or a different motherboard… Put setup_var.efi on FAT32 formatted USB thumbdrive. Plug in this drive. Power on the MJ11, press F10 for Boot Menu and select UEFI Shell. Press Esc when prompted to halt boot...

With the board restaured to F09, I experimented with setup_var as suggested above by @PeterF. # read value setup_var 0x1FF -i 0x1 # set SL_SAS for NVMe setup_var 0x1FF 0x1 -i 0x1 # set SL_SAS for 4*SATA (default) setup_var 0x1FF 0x3 -i 0x1 I could not get the BIOS to recognise a U.2 drive...

@PeterF Thanks to your saved .RBU I'm back on F09. I thought that the UEFI utility would be able to flash back the very image it has saved—but no. Best go through the BMC, or not mess with BIOS at all.

I used a Supermicro CBL-SAST-1240A-85 cable which came with a X12SDV-4C-SP6F board, and is known to work with said motherboard and the same U.2 drive which was used for testing the MJ11-EC1. As for the Slimline 8i, I had it working on my first try on native F09 BIOS with a 10GTek cable SFF-8654...

This is an unfortunate possibility… In the meantime, I found this post back, and downloaded the AMI UEFI utility to experiment. I could flash EC0-F02, and got the SL_SAS option in BIOS, but could not get a U.2 drive to work when attached to the Slimline 4i slot. Then I got into trouble and...

That's quite a crucial point… I saw some references to "BIOS F02" earlier in the thread, but may I take this opportunity to ask as few questions about it. Are there drawbacks, or unexpected consequences, to running a MJ11-EC1 with a EC0 BIOS? How does one cross-flash? Straight through the BMC...

Thanks, but I see a slighty different screen, without "SL_SAS Control" and with "U2_2" instead of "PCIE_1". Is this the manual for the regular MJ11-EC0? I have a MJ11-EC1 (BIOS F09, if that matters)—the crippled version taken out of a weird GPU server system and sold for pocket change by...

@jxta For my tests, I'm powering the board with a Streacom Nano-160 PSU. It works. I trust you're plugging both the CPU (4-/8-pin) and the ATX (24-pin) connectors? Another question: Has someone found a way to switch the Slimline 4i connector to NVMe? It seems to work only as 4*SATA.