Xeon D-1541 - Normal Temperatures?
- Thread starter Yamabushi
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I can't speak to the 1541 but with the 1540 (clocked a tick below the 1541) my idle temps were about 47-49C and my load temps were in the high 60's low 70's. So those temps seem pretty much in line with what I was getting. Obviously ambient temps will have an affect one way or the other.
Just as a FYI - the lowest Xeon D CPU is spec'd for 80C but most of the storage/ networking/ and etc SKUs are now spec'd for 85C-96C operation since Intel is targeting embedded applications.
Not a D-1541, but...
This weekend I moved my X10SDV-TP8F (flex-ATX D-1518) from the 1U SC113 chassis I tested it in to its more permanent SC113M. Temperatures rose from a comfortable 38C idle t0 a more worrisome 65C (still idle). I haven't even tried to run it up to load to see what would happen.
The key differences are (1) no airflow shroud present in the SC113M and (2) lower airflow fans - the SC113 had 4x duplex 40mm fans (FAN-0086L4 40x56mm) vs the SC113M with smaller simplex fans (FAN-0065L4 40x28mm).
The fans in the SC113 sat at low-speed (5400RPM vs 12,000 RPM max) to get the 38c idle.
The fans in the SC113M sit a little over half speed (8500 RPM vs 13,000 max) to get the 65c idle.
I think the big difference is the shroud. These D-15xx motherboards seem to absolutely need directed airflow over that (probably too small) heatsink.
I've ordered a shroud for this older recycled chassis - I'll update when it arrives later this week.
This weekend I moved my X10SDV-TP8F (flex-ATX D-1518) from the 1U SC113 chassis I tested it in to its more permanent SC113M. Temperatures rose from a comfortable 38C idle t0 a more worrisome 65C (still idle). I haven't even tried to run it up to load to see what would happen.
The key differences are (1) no airflow shroud present in the SC113M and (2) lower airflow fans - the SC113 had 4x duplex 40mm fans (FAN-0086L4 40x56mm) vs the SC113M with smaller simplex fans (FAN-0065L4 40x28mm).
The fans in the SC113 sat at low-speed (5400RPM vs 12,000 RPM max) to get the 38c idle.
The fans in the SC113M sit a little over half speed (8500 RPM vs 13,000 max) to get the 65c idle.
I think the big difference is the shroud. These D-15xx motherboards seem to absolutely need directed airflow over that (probably too small) heatsink.
I've ordered a shroud for this older recycled chassis - I'll update when it arrives later this week.
This is so key I think. With my D-1537 direct airflow makes about a 30C difference. With a duct blowing one of my 80mm fans directly at the CPU I'm getting about 52C idle where as with no duct my temps go up to over 80C.
I got the SM 1U shroud for the SC113M, After installation the idle temps dropped to 45c. Amazing the difference a bit of directed airflow seems to make on this little low-power CPU.
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@PigLover
What's the part number of the shroud?
Is the "nice dull hum at that speed" from the 65L4 more silent, due the switch?
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I don't have a db meter. Its also hard to judge the noise since its in a noisy-ish place (racked with 9 other 1U servers, switches, etc).
Its not silent. Doubt it would pass anyone's "wifey test" (or if it does you better keep that wifey). But it is reasonably quiet for a 1U server.
BTW - the shroud is SuperMicro MCP-310-00033-01. I had to modify it slighly to lay down correctly (a small cut in the plastic to lay over some parts on the MB).
Its not silent. Doubt it would pass anyone's "wifey test" (or if it does you better keep that wifey). But it is reasonably quiet for a 1U server.
BTW - the shroud is SuperMicro MCP-310-00033-01. I had to modify it slighly to lay down correctly (a small cut in the plastic to lay over some parts on the MB).
I built 5018D-FN4T (Xeon D 1514). I use a Supermicro FAN-0065L4 and air shroud MPC-310-50501-0B. The fan is not on optimal position. Blowing on memory modules instead on CPU passsive cooler. Max temps are 80°C. 
