Supermicro H12SSL-i, H12SSL-C, H12SSL-NT, H12SSL-CT boards - notes, experiences
- Thread starter lihp
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there is a jumper to disable LAN, JPL1. but i don't know if that reduces power consumption.
Does that reduce the port temperature, that could give an indication of power usage.
I need utmost 256GB of ram and i don't want to buy all at once. A 32GB module will be good and i can buy 8 of those over time. Also, it doesnt need to be the fastest so instead of 3200 maybe 2666 would be a cheaper buy. Is MTA36ASF4G72PZ-2G6E1 available here a good choice in terms of value for money?
My friend's current h12ssl-i motherboard only has REV1.10 version, so REV2.0 version should not appear anymore because CPU updates are too fast. Currently, the 9004-9005 series belong to the sp5 slot
If it’s not disabled with the BIOS the temps are not going to change when idle. They’re still high
You’ll need server style cooling as @RolloZ170 pointed out. Else use a low noise 40mm Noctua fan to blow over the NICs. Even a few CFM makes a big difference
BMC chip, BMC chip VRs, CPU VRMs, RAM..all needs steady air flow.
supermicro server motherboards are not Workstation motherboards with heatsinks wherever you look at.
I have a H12SL-i with a 64 core 7B13 processor. I am running it in an antec p280 case. My CPU uses 150-170W 24x7. I have no high temperature issues.
I have a noctua cooler with a 140mm fan, and 3 120mm noctura case fans.
I am using a 5gigabit nic, rather than a 10gigabit nic, as they run much cooler.
My case is about 3 feet away from me, and I can hear quiet fans.
When I am not running a cpu load, it is almost silent.
I have a noctua cooler with a 140mm fan, and 3 120mm noctura case fans.
I am using a 5gigabit nic, rather than a 10gigabit nic, as they run much cooler.
My case is about 3 feet away from me, and I can hear quiet fans.
When I am not running a cpu load, it is almost silent.
I recently decided to swap out the monster 48W 12k RPM stock fans on my in-win IW-RS224-07 that houses my H12SSL with Arctic S8038-7K, and I couldn't be happier. I can use the most recent firmware in optimal mode (and I don't get that constant ramp up/down anymore) and no need for any fan control script in truenas scale, runs silent most of the time and even at 100% load the sound isn't a high pitch whine like the sunon's I had before but rather a low tone rumble (which I'm fine with during scrubs and other infrenquent times of heavy load)
I also have a few 100G nics and a HBA all running just as cool as before.
I also have a few 100G nics and a HBA all running just as cool as before.
I updated my board to the latest BIOS today and it now correctly detects the speed of the LR-DIMM modules installed in the motherboard as displayed in the IPMI web interface. On the previous BIOS it failed to detect the speed but all settings were properly shown in the BIOS directly.
I have not noticed any regressions in the latest BIOS. I read some were having fan control problems with the latest update but I've not experienced that. I only updated the BIOS today as I've been on the latest BMC firmware version for months already.
I have not noticed any regressions in the latest BIOS. I read some were having fan control problems with the latest update but I've not experienced that. I only updated the BIOS today as I've been on the latest BMC firmware version for months already.
Hey all, sorry if I missed something in this topic that already covers this question.
I recently bought a new H12SSL-i (rev 1.10) and put a 7b13 on it. I'm noticing really high VRM temps. I have a watercooled system, so not a hell of a lot of airflow and that would cause the ipmi vrm heat alarm to go off. I've added a fan blowing towards the vrm heatsink, but I'm still seeing it go up to 84 degrees even when I only run a 48 core job.
Has anyone done any mods to limit VRM heat? I'm thinking of figuring out how to exchange the heatsink for a waterblock. I'd be really interested in seeing some other solutions, if anyone has tried anything.
I recently bought a new H12SSL-i (rev 1.10) and put a 7b13 on it. I'm noticing really high VRM temps. I have a watercooled system, so not a hell of a lot of airflow and that would cause the ipmi vrm heat alarm to go off. I've added a fan blowing towards the vrm heatsink, but I'm still seeing it go up to 84 degrees even when I only run a 48 core job.
Has anyone done any mods to limit VRM heat? I'm thinking of figuring out how to exchange the heatsink for a waterblock. I'd be really interested in seeing some other solutions, if anyone has tried anything.
On my board with active airflow they're at 49c (CPU VRM) and 65c (SoC VRM) when idle. Under load, that's 70c and 80c. In the IPMI it says the warning thresholds are 100c and the critical thresholds are 105c for both of these components. So aslong as you keep them below those you're fine.
I think 84c is fine, keep a fan on them. These boards do not have large heatsinks and they do want fairly high airflow over the components especially these VRM heatsinks and the NIC heatsink for the 10Gb SKU's.
I personally wouldn't bother with watercooling the VRM's on this board. But I would position some fans at the heatsinks.
supermicro server motherboard are designed to run in a 1U/2U chassis with massive airflow.
note: the VRM power stages are soldered on the motherboard PCB and cooled by it too,
airflow "underside" works also a lot as heatsink. you may try to put a thermal pad under the VRM stages to sink heat to the chassis.
the Chokes also take a lot of heat and can be applied with heatsink.
