Bios of Thinkpad T490 doesn't detect NVME

[pandrew]

Uploading bios dump of a T490 Thinkpad that doesn't detect NVME (but detects SATA). According to khaahk this may be due to misconfigured IO in the BIOS.
For full discussion please see here:
https://www.badcaps.net/forum/showthread.php?p=1289686

[SMDFlea]

Re: Bios of Thinkpad T490 doesn't detect NVME

Uploading bios dump of a T490 Thinkpad that doesn't detect NVME (but detects SATA). According to khaahk this may be due to misconfigured IO in the BIOS.
For full discussion please see here:
https://www.badcaps.net/forum/showthread.php?p=1289686

Post the laptop serial number -> https://www.badcaps.net/forum/showthread.php?t=103570

.

[khaahk]

Re: Bios of Thinkpad T490 doesn't detect NVME

Try the edited bios, the problem should be resolved. You can update me later again, it should not change the configuration. The me is not cleaned, so it is only suitable for this machine.

[pandrew]

Re: Bios of Thinkpad T490 doesn't detect NVME

@khaahk - Thank you, it worked! Can you speculate on what might have caused the wrong configuration? Could this have happened during normal bios firmware upgrade? Or just SPI flash degradation? (I assumed the self-healing bios would fix it), or is this evidence that someone may have messed with the bios before?
In any case, thanks for the help a lot!

@SMDFlea - Serial number of this motherboard is PF-1CL3JU . Anyway, for the sake of my knowledge, is the serial number really needed for the T490? My understanding is that the serial number was stored in the MEC, and that the BIOS doesn't necessarily need to know the serial number, (i.e. cleaned ME might work on a different motherboard), am I wrong about that?

[khaahk]

Re: Bios of Thinkpad T490 doesn't detect NVME

@khaahk - Thank you, it worked! Can you speculate on what might have caused the wrong configuration? Could this have happened during normal bios firmware upgrade? Or just SPI flash degradation? (I assumed the self-healing bios would fix it), or is this evidence that someone may have messed with the bios before?
In any case, thanks for the help a lot!

You're welcome.
Most likely somebody inserted clean ME region but did not configure the flex io part correctly.

[hoaca388]

Re: Bios of Thinkpad T490 doesn't detect NVME

@khaahk - Thank you, it worked! Can you speculate on what might have caused the wrong configuration? Could this have happened during normal bios firmware upgrade? Or just SPI flash degradation? (I assumed the self-healing bios would fix it), or is this evidence that someone may have messed with the bios before?
In any case, thanks for the help a lot!

@SMDFlea - Serial number of this motherboard is PF-1CL3JU . Anyway, for the sake of my knowledge, is the serial number really needed for the T490? My understanding is that the serial number was stored in the MEC, and that the BIOS doesn't necessarily need to know the serial number, (i.e. cleaned ME might work on a different motherboard), am I wrong about that?

The serial number helps us identify the exact bios part to download.

[Clarify4082]

Hello, I need a patched bios for:
Lenovo Thinkpad T490
Board NM-B901
Serial: PF-2686CW

Power Button is blinking 3 times, but nothing happens when I press it.
Please find original bios attached....

[kalilinux25]

Hello, I need a patched bios for:
Lenovo Thinkpad T490
Board NM-B901
Serial: PF-2686CW

Power Button is blinking 3 times, but nothing happens when I press it.
Please find original bios attached....

please try this a virgin bios out of your bin

[Clarify4082]

thank you, unfortunately it´s doing the same thing... I think it´s a hardware issue...

[nicknytro]

what would I do with the .BIN file to update the bios?

[Mkb1]

Can anyone help me I need a bin file

[hoaca388]

Can anyone help me I need a bin file

Post original backup bios ( even if it's broken ) and serial number here.

[hoaca388]

what would I do with the .BIN file to update the bios?

You need a progammer . Ex : CH341A

https://www.youtube.com/results?sear...mer+how+to+use