ZBook 15 bios dump

[ZBooker]

Hey,

I've made a new bios dump of ZBook 15 with CH341A programmer but only software v1.18 was able to verify it....v1.29,30,34 all fail.
Can someone tell me if dump is ok or corrupted?

Thanks!

ZBooker

[SMDFlea]

Re: ZBook 15 bios dump

It looks ok. Are you using a clip ? , if so ,desolder the bios and use a socket for better results.

[ZBooker]

Re: ZBook 15 bios dump

Hey SMDFlea,

thanks for your help. I was able to pull a backup using flashrom and a CH341A + Clip. I was able to erase/flash the chip again and works as expected. Dump is attached.

As this dump is okay, do you have any advice how to unlock MPM? I have replaced my board, set DMI info, locked MPM, BUT forgot to set intel AMT. Machine is now in committed state.
Is it possible to pull the ME region from a different file to my dump or will I brick the whole thing?

Thank you

[SMDFlea]

Re: ZBook 15 bios dump

The pics are too smal to see. Download/extract the first attatchment in this thread: https://www.badcaps.net/forum/showthread.php?t=69204 "Manufacture Programming Mode in Unlock mode"

EDIT: look at the jpg image in the folder original.jpeg

[ZBooker]

Re: ZBook 15 bios dump

The pics are too smal to see. Download/extract the first attatchment in this thread: https://www.badcaps.net/forum/showthread.php?t=69204 "Manufacture Programming Mode in Unlock mode"

EDIT: look at the jpg image in the folder original.jpeg

Oh Im sorry, pictures now attached.

Ive tried that MPM file and get/set but it didnt work. It states it was successfully written to bios but MPM is still locked on reboot.

[SMDFlea]

Re: ZBook 15 bios dump

Your bios version is quite old. Check the latest bios https://support.hp.com/gb-en/drivers...tation/5387800

[ZBooker]

Re: ZBook 15 bios dump

Your bios version is quite old. Check the latest bios https://support.hp.com/gb-en/drivers...tation/5387800

Are you sure? System shows me L70 Ver. 1.44 which is also listed as latest on HP website. Did I misunderstand you?

[ZBooker]

Re: ZBook 15 bios dump

Im a step further: I replaced the BIOS REGION with one from stock HP update which results in a MPM unlock - BUT on first boot I receive the message that "EC mismatch with configuration - going to restore system information"... any ideas?

[SMDFlea]

Re: ZBook 15 bios dump

Try this bios .

[ZBooker]

Re: ZBook 15 bios dump

Try this bios .

You Sir are a genius! Flashed the image - "not committed state" was gone right away - MPM was unlocked and locked itself. Runs perfect!

You have used flash image tool to clean ME?

Thank you!

[SMDFlea]

Re: ZBook 15 bios dump

Nope,certainly not a genius , if i had half a brain i wouldn`t have got into laptop repair as a living.
Used FIT to add a new ME .

[ala_borbe]

Re: ZBook 15 bios dump

Nope,certainly not a genius , if i had half a brain i wouldn`t have got into laptop repair as a living.
Used FIT to add a new ME .

long live that comment and its creator... i feel the same way