Tyan S8030GM2NE

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RolloZ170

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Apr 24, 2016
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When flip the PSU switch to give the board power the BMC green led is solid, then after 15 seconds it switches to blinking and the CPU fan starts spinning.
BIOS is configured to auto on after AC loss. press pwrbtn for more than 4 seconds should turn OFF.
only one stick RAM (check manual which slot) is good to reduce RAM test time.
reseat CPU, check for forgotten misplaced mobo standoffs.
have you real analog VGA monitor or adapter ? (adapter may not work)
is the keyboards numlock led lighting after some time ?
 
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hmw

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Apr 29, 2019
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When flip the PSU switch to give the board power the BMC green led is solid, then after 15 seconds it switches to blinking and the CPU fan starts spinning.
What RolloZ170 said, also ...
- test the motherboard outside without any case
- where did you get the CPU from? Is it vendor locked by any chance?
 
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Slatts

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Apr 11, 2024
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BIOS is configured to auto on after AC loss. press pwrbtn for more than 4 seconds should turn OFF.
only one stick RAM (check manual which slot) is good to reduce RAM test time.
reseat CPU, check for forgotten misplaced mobo standoffs.
have you real analog VGA monitor or adapter ? (adapter may not work)
is the keyboards numlock led lighting after some time ?
Wouldn't the auto on after AC loss be turned off if I reset the CMOS? Makes me thing the CMOS reset I did didn't work. When I hold the pwrbtn nothing happens, it doesn't turn off. I tried with one stick of RAM, no difference. I don't have any extra thermal paste so I can't reseat the CPU but I was very careful when seating it so I'm pretty sure that isn't the problem. I also checked the standoffs before placing the mobo in the case to ensure there was a screw hold for each standoff. Yes, I'm using a real analog VGA monitor with VGA cable, no adaptor. No numlock led light on keyboard. Thank you very much for the help.


What RolloZ170 said, also ...
- test the motherboard outside without any case
- where did you get the CPU from? Is it vendor locked by any chance?
I don't think it's vendor locked because the Tyan S8030 should still display video output with error code for locked CPU. Thanks
 

Slatts

New Member
Apr 11, 2024
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not if this is default setting.

no life. PSU bad ?
to sort things out you need other mobo and or CPU.
btw: RAM is RDIMM yes ?
It's a brand new sea sonic titanium 850 watt. I don't think it's bad.
Yes, RDIMM.

Yeah... I think you are right.. I don't have another CPU or mobo. I wish there was a way to tell what part was bad Mem, CPU, or Mobo without needing extra parts.
 
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Slatts

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Apr 11, 2024
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Via wireshark I managed to get to the IPMI login page by directly connecting to the motherboard using a ethernet cable to a laptop and setting the laptop IP to the same subnet. Now the problem is root/superuser isn't working and I don't know the username and password. Is there a way to hardware reset the BMC with no video output? I tried setting J101: ID Button Switch jumper to Pin 1-2 Closed: Press 5 seconds for BMC HW Reset. When I press the ID Button for 5 seconds it doesn't seem to do anything.
 

Slatts

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Apr 11, 2024
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I flashed the BIOS with a clip on programmer and it didn't change anything. I wasn't able to flash the BMC using the clip on style programmer. I think this was because I had to power the board in order for the programmer to not throw a overcurrent error since the chip's circuit powers other devices on the board. Because of this, the BMC was technically powered on reading from memory. This prevented me from flashing it. I don't have a soldering kit to be able to desolder a 16 pin chip so I decided to leave it. If flashing the BIOS didn't do anything, I don't think flashing the BMC will either since it's not needed to POST.

I unplugged everything and took the motherboard out of the case. I inspected it with a flashlight for the 10th time and I finally found what I think to be the culprit. There is a missing component on the motherboard. I can see the broken solder joints. It's near the CPU power delivery so I don't think the CPU is getting power. My guess is since EPYC uses a built in chipset (SoC), without CPU power, pretty much nothing happens outside of the BMC. I took a screenshot of the picture of the motherboard in the manual and circled the component that broke off. You can see in the picture of my motherboard where the component is clearly broken off and missing. Any idea what component broke off and its function? I can see it says R10 on it and there are multiple soldered on the board.
 

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Slatts

New Member
Apr 11, 2024
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Looks like a coil, and most likely belongs to a switching voltage regulator circuit.
Thanks for the help. I edited my post and added another picture of one I found on my board in a different location. It's a much better view for id.
 

piranha32

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Mar 4, 2023
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Now it looks like a 0.1 ohm current monitoring resistor. If it is indeed a resistor, you can try to bridge the pads with a piece of wire.
 

mangombia

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Jan 25, 2024
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New Bios and BMC is out by the way :)
1. Has anyone applied either the BIOS (which appears to just update microcode for Rome & Milan) or the BMC and have any experiential feedback?

2. Does applying the BMC update clear out and reset the admin username/passwords and return to the default root/superuser combo?
 

mr2toyou

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Jul 3, 2024
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Hello all, I was wonder if anyone knew of pcie lane sharing with m.2/ slim sas and mini sas. Looked through docs and can't find any information related.

(S8030GM2NE)
 

mangombia

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Jan 25, 2024
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Hello all, I was wonder if anyone knew of pcie lane sharing with m.2/ slim sas and mini sas. Looked through docs and can't find any information related.

(S8030GM2NE)
One of the highlights of EPYC is 128 PCIe lanes, so I don't think there is any lane sharing between any of the PCIe buses and either the m.2 slots or the mini-SAS ports. I went thru the manual pretty extensively before setting up my system, and the only admonishment that I recall regarding the PCIe buses was for users (such as I) running 2 or more GPUs, was to put your primary GPU in slot 2.
 

mr2toyou

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Jul 3, 2024
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I was thinking the same, I have devices in b/c/d/e and m.2_1 and if I try and use (Nvme0_1) for my hba I see no drives but when I move to (Nvme2_3) everything shows up and the avago splash screen shows on boot lsi 9300-16i
 
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mangombia

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Jan 25, 2024
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I was thinking the same, I have devices in b/c/d/e and m.2_1 and if I try and use (Nvme0_1) for my hba I see no drives but when I move to (Nvme2_3) everything shows up and the avago splash screen shows on boot lsi 9300-16i
I've got a RX6700 XT in PCIe-A, a Quadro P4000 in B, C is empty, an LSI-9211-8i in D, and an Intel dual 10gbe in E, both m.2 are populated w/2tb WD Black NMVe, and both slim-SAS are used for 4 u.2 drives, and don't have any issues with seeing the 8 drives off my HBA.
 
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mr2toyou

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Jul 3, 2024
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Doing some more testing today it is just really odd behavior. Are there any specific bios settings that I should be aware of?