BIOS thinkpad L14 HL4A0/HL5A0 NM-D271

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HL4A0/HL5A0 NM-D271
thinkpad L14
Schematics
NS-D273.pdf
NM-D271.pdf
NS-D271.pdf
NS-D272.pdf
Thinkpad L14 - NM-D271 REV1.0
LENOVO_THINKPAD_L14_GEN2_LCFC_NM-D271 photo

 

[Carlos Silva]

for your knowledge the intel i7 version has ec.

 

[ThienBui]

for your knowledge the intel i7 version has ec.

What does i7 have to do with ec?

 

[Carlos Silva]

What does i7 have to do with ec?

I have here 2 motherboards, one is i5 and have bios chip on location u2101, model winbond 25r256jven and other is i7 and have bios chip location u2101 model mx77l256sqfz and other chip near I/O, location u2104 model chip is w25q128jvpq.

 

[Sadiqjan]

i have lenovo L14 Gen2 with password i have create a new fiel from lenovo exe for io nuvoton after flash its still on password
old ec file attached serial also
serial : PF-31VT8H

 

[ThienBui]

i have lenovo L14 Gen2 with password i have create a new fiel from lenovo exe for io nuvoton after flash its still on password
old ec file attached serial also
serial : PF-31VT8H

You need to backup a 2kb file and buy a $45 patch

 

[Sadiqjan]

You need to backup a 2kb file and buy a $45 patch

where is 2kb chip for backup on motherboard ,, i have 384 kb and another 32mb bios

 

[ThienBui]

where is 2kb chip for backup on motherboard ,, i have 384 kb and another 32mb bios

It's on the same EC chip, but when you go into the programming tool, it will tell you that you're adding a 2kb file

 

[Sadiqjan]

It's on the same EC chip, but when you go into the programming tool, it will tell you that you're adding a 2kb file

i dont understand according to the schematic there is a spi flash near NPCE6xx is 1mb shows and in diagrame 8k EEPROM

 

[ThienBui]

i dont understand according to the schematic there is a spi flash near NPCE6xx is 1mb shows and in diagrame 8k EEPROM

1mb is not ec it can manage a certain device near it

 

[Doctor.laptop]

ec need use file new replace

so where is EC file ?

 

[ThienBui]

so where is EC file ?

 

[ct lab]

NO DISPLY, clear me pls.

 

[ct lab]

admin please help

 

[ThienBui]

NO DISPLY, clear me pls.

 

[Carlson]

Sir can help to unlock bios password? Thanks

 

[ThienBui]

Sir can help to unlock bios password? Thanks

need backup ec

 

[Carlson]

ok sir

 

[Carlson]

need backup ec

Sir here is the EC backup

 

[ThienBui]

Sir here is the EC backup

128kb itt not full
EC name ?

 

[Carlson]

128kb itt not full
EC name ?

NUVOTON NPCE68BPA0DX