EU Gigabyte Mainboard MC12-LE0 Re1.0 AMD B550 AM4 Ryzen

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_Dejan_

Member
Aug 18, 2022
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I think I have another strange issue...
Im enable power on state after power loss in BIOS. If I shutdown motherboard and remove power cable from it and then reconnect it back motherboard start and it stuck in D7 state. In BMC remote it do not react on any key press... Then I need to restart it by BMC and it boot normaly...

Any idea what can be wrong?

1722529304647.png
 

RolloZ170

Well-Known Member
Apr 24, 2016
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If I shutdown motherboard and remove power cable from it and then reconnect it back motherboard start and it stuck in D7 state.
if the code is counting BIOS waits for BMC init.completed.

D7 no console input device found.
you may configure the BIOS to proceed without kbd
 
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_Dejan_

Member
Aug 18, 2022
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"Wait for BMC" is disabled in BIOS. Im quick search in BIOS for Keyboard Error or something similar but didn't find it... This BIOS on Gigabyte MB have to many options which are hidden under many subtree's ... :)
 

RolloZ170

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Apr 24, 2016
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If I shutdown motherboard and remove power cable from it and then reconnect it back motherboard start and it stuck in D7 state.
can also be the infamous gigabyte D7 bug. reflash BIOS and clear CMOS helps a while...
 

RolloZ170

Well-Known Member
Apr 24, 2016
6,138
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Im enable power on state after power loss in BIOS. If I shutdown motherboard and remove power cable from it and then reconnect it back motherboard start and it stuck in D7 state
do you use the USB2.0 ports for kbd ? if yes try to use the USB3.0 instead, i found many reports this helps (gigabyte AMD motherboards)
 

_Dejan_

Member
Aug 18, 2022
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I don't use keyboard and will not be used. If I would like use keyboard then I will not need BMC...
BIOS update went without issue and after flash from F06(If remember correctly it came with F06) to F13 Im set by BIOS settings to defaults.
It happen only first time after power loss then after shutdown/reboot work ok(Probably because BMC insert HID keyboard and mouse)... Im re-enable "Wait for BMC" function in bios and set 2 minutes(I think this is default value) I want fast boot after power loss so I disable this option to speed up powering on... Now I need to test this... Tomorrow I will install it in rack and will know if this fix issue...
 

_Dejan_

Member
Aug 18, 2022
33
14
8
Looks like this has been problem... Now after power lose need more time to POST but it normaly boot without stopping at D7 code...
 

RolloZ170

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Apr 24, 2016
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Anyone know if this board will boot with a 5600 (non x)?
Says 5600x in the QVL but no non x.
works
5600X comes VMR-B0 later in VMR-B2 stepping
afaik 5600 comes only in VMR-B2 stepping - not avail at script of QVL thought.
 
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RolloZ170

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Apr 24, 2016
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Thanks for the prompt responce. Thats good as I have already ordered both :D
checked the BIOS, you need at least BIOS F11(can be updated by BMC)
F06 doesn't contains B2 microcode.
can be strange, one 5600x(B0) works but other 5600X(B2) not.
 
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