M920x Desktop (ThinkCentre) - Type 10S1 bios

[evil_santa]

Hey there
I bought a p330 Mainboard with (probably) broken bios.
PC starts automatically after connecting power, solid green and red led (iluminates logo),
Fan spins and no beeps.
Please check bios
Lenovo P330
Board EQ370 NM-B551 iq3x0il REV 1.0
and i cant find a serial number on the Mainboard only a long barcode and the mac address as small stickers

donation is in the way for this great forum

[SMDFlea]

Moved to a new thread. The serial number in your bios is PC13FQNG . Model: M920x Desktop (ThinkCentre) - Type 10S1

[volinakis]

Hey there
I bought a p330 Mainboard with (probably) broken bios.
PC starts automatically after connecting power, solid green and red led (iluminates logo),
Fan spins and no beeps.
Please check bios
Lenovo P330
Board EQ370 NM-B551 iq3x0il REV 1.0
and i cant find a serial number on the Mainboard only a long barcode and the mac address as small stickers

donation is in the way for this great forum

try image extracted from update and clean ME. I don't know where DMI is, maybe SMDFlea can help you with that.

[SMDFlea]

try image extracted from update and clean ME. I don't know where DMI is, maybe SMDFlea can help you with that.

The serial,model and model type can be added using the bios updater. Input "y" instead of "n"

https://download.lenovo.com/pccbbs/t...m1ujy77usa.txt

6. You will see the prompt "Would you like to update the Serial
Number?". Input "n" and press Enter.

7. Then you will see the prompt "Would you like to update the
Machine Type and Model?". Input "n" and press Enter again.
Then the BIOS update process will start.


I don`t know if the OA3 key can be added using the updater, there might be some hidden command that isn`t listed ? . It can be added using UEFITool or a hex editor. I`ve added the key in 2 places, C05140 - C05190 and C55402 - C55452



If it doesn`t work then the next thing i would try would be copying the NVRAM GUID CEF5B9A3-476D-497F-9FDC-E98143E0422C