I reviewed the processor support for this board and noticed the board revision you have (405) requires a BIOS update to support the processor you are using.
The system needs to be updated before using the Intel® Core™ i3-4350 processor.
thank you for your answer.
Following your advice I spent time again to check every of them.
Everything is tagged as compatible with this motherboard, except for the power supply which is a brand new "Be Quiet! Straight Power 10 400W".
Given the flashing leds, I suspect that many things are OK (if there was a real show stopper, the led would be solid amber as per the manual); the absolute absence of VGA output signal is the strangest symptom: I suppose this should be the BMC output, hence independent from whatever hardware is on the MB except for the PSU of course.
I have few clues about the reasons why there would be absolutely no VGA output signal except for a faulty hardware (bad soldering, etc.).
If you have any ideas for that VGA problem, that would be great!
Thanks & regards,
Great hint, thanks.
Indeed, there might be a BIOS verson problem, as the MB is still "as is" and I did no BIOS upgrade.
The reason being, I could not have any video output from the MB, hence I am "blind" and I cannot launch a BIOS upgrade procedure (at least, not the ones I know which require some command line).
If there was a fully automated way of upgrading the BIOS without need for interaction, that would be a nice workaround.
However I would like to know: is it not possible to make use of the BMC subsystem (independent from the CPU, RAM, etc.) in order to do that BIOS update?
It took me some time but now I have solved the problem: I did purchase a new CPU, core i3 4330, because it was supported "without bios upgrade" by the motherboard.
I installed it in the MB, it did go further in the boot and post process, which was a good sign, but no VGA output, still had some random problems.
I did reboot several times, change the RAM module slot (because the POST leds told something about it), and finally after 3-4 tentatives the system booted completely until the EFI shell prompt.
Now everything seems to be working well.
Thanks for your support!
Note: I am just puzzled that a system with an autonomous BMC couldn't display anything if the CPU was not right... the system should have been more resilient, whatever the CPU/RAM etc. in my opinion (that's what a BMC should be made for, I guess). Anyway now it's sorted. Great!