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

Discussion in 'BIOS/UEFI' started by technical, Jul 27, 2015.

IBM-Lenovo LENOVO A540 - A740 ALL-IN-ONE LA-B031P 5 5 2votes
5/5, 2 votes

  1. technical

    technical Moderator Staff Member

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    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.
    Lenovo A540, A740 All-in-One

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

    >> LENOVO BIOS
     

    Attached Files:

    #1 technical, Jul 27, 2015
    Last edited: Mar 25, 2019
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  2. MOBOKAP

    MOBOKAP Well-Known Member

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    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.
     
    #2 MOBOKAP, Jul 18, 2016
  3. technical

    technical Moderator Staff Member

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    #3 technical, Jul 19, 2016
  4. niggar

    niggar Well-Known Member

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    KB9012QF A4 EC bios needed up above not working board LA-B031P REV 1.0
     
    #4 niggar, Mar 25, 2019
  5. technical

    technical Moderator Staff Member

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    EC O14CT19A.
     

    Attached Files:

    #5 technical, Mar 25, 2019
  6. niggar

    niggar Well-Known Member

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    not working same before
     
    #6 niggar, Mar 25, 2019
  7. technical

    technical Moderator Staff Member

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    same before is bios good you,
    you need check hardware.
     
    #7 technical, Mar 25, 2019
  8. niggar

    niggar Well-Known Member

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    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 ....
     
    #8 niggar, Mar 25, 2019
  9. technical

    technical Moderator Staff Member

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    what? LA-A341P or LA-B031P ?
     
    #9 technical, Mar 25, 2019
  10. niggar

    niggar Well-Known Member

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    :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
     
    #10 niggar, Mar 25, 2019
  11. technical

    technical Moderator Staff Member

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    new update on top new file you can try again
     
    #11 technical, Mar 25, 2019
  12. niggar

    niggar Well-Known Member

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    THIS 128KB NOT EC IT IS NEAR TO LAN HAVE CHIP 25X10
     
    #12 niggar, Mar 25, 2019
  13. technical

    technical Moderator Staff Member

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    send file ec old you say i check
     
    #13 technical, Mar 25, 2019
  14. niggar

    niggar Well-Known Member

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    OLD KB9012QF A4 NOT READING IT'S DAMAGE
     
    #14 niggar, Mar 25, 2019
  15. technical

    technical Moderator Staff Member

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    send file 25X10 i check.
    how you know 128kb above is for 25X10 ?
     
    #15 technical, Mar 25, 2019
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