The more critical thing is to use all 8 memory channels. Right now, I have a H11SSLi and a H12SSLi. I only have 4 ddr4 sticks, so I would double my bandwidth by going to 8 sticks.
The polarity matters for the LEDs, but not for the power and reset switch.
If you get the polarity wrong for the LEDs, they won't light up. Just reverse them if that happens.
In my experience the HDD LED does not light up when the NVME M2 drive is active, just the SATA drives.
In my experience, mageia 8 works great.
Unfortunately, its replacement mageia 9 works for the first boot, but freezes after that.
I sent in bug reports about linux freezing to mageia's bugzilla.
kubuntu 23.10 also freezes as soon as you log in.
I really wonder what the issue is. It isn't my...
I have a H12SSLI and it runs mageia 8 (kernel 5.15) with no problems.
With mageia 9 (kernel 6.4) it boots once then after that doesn't get to a login prompt.
With kubuntu 23.10 (kernel 6.5) I can type in my username/password, but freezes after that.
No issues with a H11SSL running mageia 9.
I...
I bought this cable PCI-E Slimline SAS SFF-8654 8I To 8 Ports SATA hard drive conversion cable | eBay which works for sata drives. I didn't want a right angle connector, and I wanted something shorter than the supermicro cable.
https://www.amazon.com/gp/product/B07H1RYNS8?tag=slickdeals09-20&ascsubtag=87be89604f3111ee860142e834a7e0140INT&smid=A10XTVRAJRWPGO
These are new, with a 5 year warranty from server part deals, sold through amazon.com
They are designed for read intensive applications.
The issue I found was the boot process would seemingly hand, and never get to the operating system.
This is operating system agnostic.
There may be other OS specific issues, but if the mb won't get past POST, other problems really don't matter.
https://www.supermicro.com/en/products/motherboard/h12ssl-i
says " Supports up to 2TB Registered ECC DDR4 3200MHz SDRAM"
Plus I called supermicro support, and they told me I needed 3200mhz memory, and my 2666 was not enough.
the motherboard showed a splash screen twice, but not POST.
I can...
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