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. Lenovo A540, A740 All-in-One Schematics A740 A540 LA-B031P r0.1 ZAA5 70 LA-B031P REV 20 Discrete 8MB 128KB >> LENOVO BIOS
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 ....
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