Supermicro H12DSi-N6 does not boot

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Harmony

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Oct 6, 2022
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I have Supermicro H12DSi-N6 that does not want to boot. IPMI works but blank screen, same for VGA.

The memory is M393A4K40BB2-CTD which should be compatible I have also tried other sticks.

In BMC it shows the memory as old slots if that matters https://i.gyazo.com/bf9e60201f963cfbd00058ebf6209cc8.png they are currently in P0-DIMMD1, P0-DIMMC1, P1-DIMMC1, P1-DIMMD1. The CPU's are 7002 series 7542

I am not 100% sure if those are the correct DIMMs I should be using based off https://www.supermicro.com/manuals/motherboard/EPYC7000/MNL-2363.pdf but I have also tried C1 on both CPU and also tried using just 1CPU which would not power on at all (retry loop in BMC)

I've taken a short video the only thing I can see that maybe out of the ordinary is the green lights 20230331 154106
 
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RolloZ170

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Apr 24, 2016
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this inventary shown in IPMI is updated by successful POST. until you have none it shows the 'OLD' hardware from last POST-
 
H

Harmony

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Oct 6, 2022
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RolloZ170 said:
min. 750 W PSU ?

must be first socket, second socket only does not work.

as it should be.
Click to expand...
Yes 920W

I will try P0 (CPU1) now. I noticed the screenshot I attached had memory in P1 only and last successful boot (according to BMC) was 1CPU which should not work? This is the first time I am trying to boot, got off ebay
 
H

Harmony

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Oct 6, 2022
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Tried moving both of the CPU to CPU1 slot same issues, starts but nothing past a black screen
 
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RolloZ170

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Harmony said:
was 1CPU which should not work? This is the first time I am trying to boot,
Click to expand...
one CPU must be CPU1 not CPU2
start with CPU2 only on X12 can damage CPU & board (ice lake) hope AMD EPYC is different.
memtest and ddr4 train takes a minute. wait.
installed CPU proper with torque ?
 
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RolloZ170

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and not to forget: check if you forgot to remove misplaced motherboard standoff now shorting something.
 
H

Harmony

Member
Oct 6, 2022
134
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RolloZ170 said:
one CPU must be CPU1 not CPU2
start with CPU2 only on X12 can damage CPU & board (ice lake) hope AMD EPYC is different.
memtest and ddr4 train takes a minute. wait.
installed CPU proper with torque ?
Click to expand...
I did use CPU1 https://i.gyazo.com/801e059a5450f7a6cd64b22666ce6d43.png but from this image https://i.gyazo.com/bf9e60201f963cfbd00058ebf6209cc8.png the last successful boot from previous owner seemed to only have P1 memory (CPU2)

Ill try removing and re-attaching now
 
H

Harmony

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Oct 6, 2022
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Just took motherboard out made sure the MB standoff where in correctly same issue not sure what else to try.
 
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RolloZ170

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Apr 24, 2016
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is there a POST SNOOP available in the IPMI Web-GUI ? if yes what does it show ?
no more ideas.
 
H

Harmony

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Oct 6, 2022
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RolloZ170 said:
ok. no CPU action. CPU and or Motherboard fails.
Click to expand...
As I have tested with 2 CPU it's more likely the motherboard? Where can I see ff = CPU/Motherboard failure?

If it's the motherboard anything to try? update maybe i see 2.4 is out now its running 2.3
 
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