Tour de Primes 2021

[Dirk Broer]

Actually no, it's a cruncher inspired by the GPU cryptocurrency mining community,
- Gray Matter v3.1 case - Rackmountable and can hold up to 2 PSUs and 8GPUs
- ASRock AB350 Pro4 Motherboard
- 4x16GB of Kingston DDR4 Non-ECC RAM KVR26N19D8/16
- Ryzen 5 3400G
- Seasonic SSR-1300PD 1300W PSU
- And a bunch of GPUs I found on ebay

Ah! You're using Asrocks Pro4 line, one of my favorites. Having a A320M Pro4 (A12-9800E), a AB350M Pro4 (Ryzen 7 1700) and a B450 Pro4 (Ryzen 5 3400G) myself, and I've built a B550M Pro4 system for my daughter.

[NeoGen]

Ah! You're using Asrocks Pro4 line, one of my favorites. Having a A320M Pro4 (A12-9800E), a AB350M Pro4 (Ryzen 7 1700) and a B450 Pro4 (Ryzen 5 3400G) myself, and I've built a B550M Pro4 system for my daughter.

It's a nice little motherboard, I have to admit it. But beware of trying to run multiple GPUs on it. It was a pain to set it up and make it all get recognized and working.
Sometimes it would not POST, other times it would only recognize some of the GPUs. Me thinking a BIOS update would fix it, it got it completely nuked and had to clear CMOS, unplug all GPUs and start from scratch again.
I had to clear the CMOS and test so many BIOS settings until I finally got it all working right, that I'm afraid to touch it anymore.

[Dirk Broer]

The Penguin strikes again!

He has found two primes more than Vaughan...nine against seven at the moment.

[Dirk Broer]

There's a new leader for the red jersey, and he scored so good that he has taken the green jersey as well (both from Nortech): BarryAZ.
Barry found the prime using PrimeGrid's The Riesel Problem (LLR) application.

Both Boss and Penguin extended their mutual lead on Vaughan for the yellow jersey: they've found twelve primes against Vaughan's nine.

[Dirk Broer]

No clothing choices for Penguin anymore! Nortech firmly has not only the red, but also the green jersey by virtue of his/her PRPNet: 27 prime.
Vaughan is firmly in the yellow jersey, being the only cruncher that has found five primes so far.

[Dirk Broer]

The usual suspects, double checking:
Schermafbeelding 2021-02-09 123142.JPG(click to view bigger picture)
Only Vaughan (9) and Brucifer (1) have found primes as first, so far