SuperMicro H11SSL-i Rev 1.0 versus Rev 2.0 Comparison

[gregoinc]

I am close to buying a used SuperMicro H11SSL-i motherboard. The motherboard is rev 1.0 and will have an EPYC 7551P CPU installed.

I have noticed there are revision 2.0 of these boards available for sale, so I started wondering. Am I better finding a revision 2.0 board, or am I better going with the slightly cheaper deal for a revision 1.0 board?

So, my question... I am going to use this board and cpu combination for a proxmox server... so should I really be chasing a rev 2.0 board, or just be happy with a rev 1.0 board? Is there really that much difference?

 

[i386]

rev 2 support zen2 cpus that bring a lot of computing power and a better "numa architecture" thanks to the io die between the computing dies

 

[RolloZ170]

you can run Zen2 rome on rev 1.0 with a trick(only PCIe 3.0 should be used to be safe)
rev 2.0 uses a 32mb BIOS chip with both Naples and Rome BIOS.
you can extract the Rome part and flash this to the 16mb BIOS chip of rev 1.0 board.
you need external flash programmer for this.

 

[ano]

isnt bifurcation also rev 2 only?

 

[CWin]

Bifurcation works for me on rev 1

 

[gregoinc]

So if I am hearing what is being said here... Rev 2.0 has better "numa architecture" and supports Naples & Rome chips. But apart from that, for a Proxmox server, rev 1.0 is probably ok?

 

[gregoinc]

rev 2 support zen2 cpus that bring a lot of computing power and a better "numa architecture" thanks to the io die between the computing dies

So, are you saying the EPYC 7551P chip is a different chip for a Rev 2.0 board?

 

[CWin]

Rev 2 supports Rome chips which have better NUMA architecture than the older Naples ones. For a 7551p there won't be a difference between the 2 versions. Impact of Rome vs Naples would depend on the workload - CPU bound cases would be pretty similar but IO or memory bound cases will look pretty different and have more quirks to deal with in performance sensitive cases.

 

[gb00s]

you can run Zen2 rome on rev 1.0 with a trick(only PCIe 3.0 should be used to be safe)
rev 2.0 uses a 32mb BIOS chip with both Naples and Rome BIOS.

What is the trick please? I noticed I have 2x H11SSL-i with a rev2.0 sticker over a rev.1.01 on it Just checked both layouts and they are different. Now I will have a long night researching whats going on here.

Link: Video

Edit: Rome CPU's do not work on them.

 

[RolloZ170]

Edit: Rome CPU's do not work on them

H11SSL-i
Key Features1.Single AMD EPYC™ 7001/7002* Series Processor (*AMD EPYC 7002 series drop-insupport requires board revision 2.x)

you can extract the Rome part and flash this to the 16mb BIOS chip of rev 1.0 board.
you need external flash programmer for this.