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  1. J

    AMD Epyc 3251 only showing 1 thread per core instead of two (ASROCK Rack EPYC3251D4I-2T)

    I went down the same road, trying LR-DIMMs and they didn't work. So I ordered the Crucial compatible memory and been great so far. I have two of these boards, each with 256GB RAM (4x 64GB sticks).
  2. J

    AMD Epyc 3251 only showing 1 thread per core instead of two (ASROCK Rack EPYC3251D4I-2T)

    Dropbox - ASRock Rack EPYC3251D4I-2T BIOS - Simplify your life @chn
  3. J

    AMD Epyc 3251 only showing 1 thread per core instead of two (ASROCK Rack EPYC3251D4I-2T)

    My thoughts exactly too. How was it not noticed when they released the motherboard?!
  4. J

    AMD Epyc 3251 only showing 1 thread per core instead of two (ASROCK Rack EPYC3251D4I-2T)

    Just to provide an update, the motherboard supplier has supplied me with a beta firmware update they obtained from ASRock Rack. I flashed the BIOS with this firmware and now all 16 threads are visible in the BIOS and OS! Hopefully it's just a matter of time before ASRock update the BIOS on...
  5. J

    AMD Epyc 3251 only showing 1 thread per core instead of two (ASROCK Rack EPYC3251D4I-2T)

    I recently purchased two ASRock Rack EPYC3251D4I-2T motherboards with the AMD Epyc 3251 SoC CPU. This is a 8 core/16 thread CPU. Each system boots up and runs fine, however the CPU is only showing up as a 8 core/8 thread CPU (i.e. half the amount of threads it's meant to have). I have SMT...
  6. J

    New AsrockRack 3251 Motherboard with 10gbe NICs

    To provide an update to my earlier posts, I went ahead purchased two of the ASRock Rack EPYC3251D4I-2T motherboards and have just finished building the servers. They work, but I'm having an issue with the core/thread count. The AMD Epyc 3251 is advertised as a 8 core/16 thread CPU, however it...
  7. J

    New AsrockRack 3251 Motherboard with 10gbe NICs

    Hey Evan! Wow, so quick to reply! Yeah, what I'm trying to figure out is if it's possible to build something like the existing SuperMicro Xeon D-1541 SoC system (SuperServer 5028D-TN4T link here and here) but with the ASRock EPYC3251D4I-2T board. What's your current system configuration? I...
  8. J

    New AsrockRack 3251 Motherboard with 10gbe NICs

    Who owns a SuperMicro 4 drive mini chassis server? SC721TQ-250B | Mini-tower | Chassis | Products | Super Micro Computer, Inc. I'd like to know if the ASRock board would fit inside this? And also if the OCuLink connector would be able to connect to the hot-swap backplane in the this chassis?