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Lenovo LENOVO A540 - A740 ALL-IN-ONE LA-B031P

LENOVO A540 - A740 ALL-IN-ONE
BIOS 128KB & 8MB - O14KT15AUS

Refer to steps below to identify the platform of your machine:

1.Power on the unit, press F1 to enter BIOS Setup
2. Check BIOS Revision Level:

  • If the BIOS Revision Level is O14KTxxAUS, it is Broadwell system.(xx means actual BIOS level, such as O14KT15AUS)
  • If the BIOS Revision Level is O00KTxxAUS, it is Haswell system.

a740a540bios_setup.jpg
Lenovo A540, A740 All-in-One


Schematics A740 A540 LA-B031P r0.1
LA-B031P.jpg
ZAA5 70 LA-B031P REV 20 Discrete 8MB 128KB

>> LENOVO BIOS
 

Download list

A540 All-in-One - O14KT15A.rar
3.8 MB · Views: 196

A740 A540 LA-B031P r0.1.pdf
3.4 MB · Views: 182


Last edited:
HI, you have bios and EC for Lenovo AIO A740, main LA-B031P ZAA50/70 rev: 1.0 2014-02-25 whith Haswell I7- 4558U O00KTxxAUS ? O14KT15A is for broadwell.
 
only kb9012qf is damaged so i change when i program with LA-A341P KB9012 EC POWER ON IS WORKING BUT TURN OFF AFTER 5 SECOND AND NO DISPLAY BUT YOUR SITE EC BIOS POWER SWITCH IS NOT WORKING ....
 
:broken_heart:I NEED LA-B031P EC BIOS FOR KB9012QF A4 BUT I TRY LA-A341P ONLY FOR TEST OTHER HARDWARE .....WHY DON,T YOU UNDERSTAND SIMPLE ENGLISH
 

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