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02-29-2020, 05:01 PM
I'm confused. I have Lenovo B590 which now has bios version H1ET85WW(1.23) and 20208 would be the most likely version according to other users who also have this bios version . However if I enter my serial number at Lenovo website it proposes H9ET92WW as latest bios update. This does not work when updating and throws an error.
My laptop has Core i5-3230M and HM77 chipset and already updated ME FW version 8.1.72.3002 . But planning to disable/remove it when getting more at ease with bios modifying.
What does H9ET92WW.exe check ? Is it slic code ? So that only devices with TP-H9 slic code get this update ? CPU-Z shows laptop as being version 62742BG . I understand there are also 20206 and 20208 versions....
I'm also trying to remove whitelist. I extracted body with uefitool. Can someone tell me what language this is in so I can read up on the syntax and understand the subroutines and functions. I found it at
jmp short loc_B39 => mov r8, cs:off_258 ; "1802: Unauthorized network card is plug"...
But how to change so it jumps over whitelist check ?
Trying to figure it out for myself instead of having to ask people. I would be glad to learn something new
How can I flash H9ET92WW ? End goal is: keep w8 key from MSDM table and slic 2.1 and remove whitelist.
Slic should be no problem as marker tool fl2.exe should write it again according to TP-H1.DAT file ?
Thank you for pointing in the right direction
My laptop has Core i5-3230M and HM77 chipset and already updated ME FW version 8.1.72.3002 . But planning to disable/remove it when getting more at ease with bios modifying.
What does H9ET92WW.exe check ? Is it slic code ? So that only devices with TP-H9 slic code get this update ? CPU-Z shows laptop as being version 62742BG . I understand there are also 20206 and 20208 versions....
I'm also trying to remove whitelist. I extracted body with uefitool. Can someone tell me what language this is in so I can read up on the syntax and understand the subroutines and functions. I found it at
jmp short loc_B39 => mov r8, cs:off_258 ; "1802: Unauthorized network card is plug"...
But how to change so it jumps over whitelist check ?
Trying to figure it out for myself instead of having to ask people. I would be glad to learn something new
How can I flash H9ET92WW ? End goal is: keep w8 key from MSDM table and slic 2.1 and remove whitelist.
Slic should be no problem as marker tool fl2.exe should write it again according to TP-H1.DAT file ?
Thank you for pointing in the right direction
Code:
Intel (R) Flash Programming Tool. Version: 8.1.60.1561
Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.
Platform: Intel(R) HM77 Express Chipset
Reading HSFSTS register... Flash Descriptor: Valid
--- Flash Devices Found ---
W25Q64BV ID:0xEF4017 Size: 8192KB (65536Kb)
W25Q32BV ID:0xEF4016 Size: 4096KB (32768Kb)
--- Flash Image Information --
Signature: VALID
Number of Flash Components: 2
Component 1 - 8192KB (65536Kb)
Component 2 - 4096KB (32768Kb)
Regions:
Descriptor - Base: 0x000000, Limit: 0x000FFF
BIOS - Base: 0x800000, Limit: 0xBFFFFF
ME - Base: 0x001000, Limit: 0x7FFFFF
GbE - Not present
PDR - Not present
Master Region Access:
CPU/BIOS - ID: 0x0000, Read: 0x0B, Write: 0x0A
ME - ID: 0x0000, Read: 0x0D, Write: 0x0C
GbE - ID: 0x0118, Read: 0x08, Write: 0x08
Total Accessable SPI Memory: 12288KB, Total Installed SPI Memory : 12288KB
FPT Operation Passed
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