BIOS air-14IIL 2020 FLMS0 LA-J551P rev 1.0

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FLMS0 LA-J551P rev 1.0
air-14IIL 2020, Schematics
Lenovo Xiaoxin AIR-14IIL 2020 FLMS0 LA-J551P R02.pdf
Air-14IIL2020 LA-J551P.cad.zip


Screen Shot 2020-07-28 at 22.38.14.jpg
 

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Unfortunately it seems to be a hardware issue then, maybe the CPU is dead, I have 20+ J551P motherboards with this problem; Everything on the motherboard has correct impedances, and yet it doesnt work. Thank you for your help anyway, kind regards
Hello. I was able to find what the problem was. The same laptop arrived, consumes 0.68V, the LED lights up for 5 seconds and goes off. I tried everything, no effect.
 
Hello. I was able to find what the problem was. The same laptop arrived, consumes 0.68V, the LED lights up for 5 seconds and goes off. I tried everything, no effect.
Hello, yes, unfortunately to this day we haven't found a solution however the most probable cause is CPU hardware fault. I have tried changing everything including the superIO (and its contents). The whole motherboard seems to be fine in terms of resistances and voltages. Everything is present. So it's either a fault on BIOS-SuperIO communication or the CPU itself which is unfortunately more likely. Like I said I have many such motherboards and they all seem to have this same issue. The only hope I had was that when a working board was swapped with a wrong BIOS it would also stay at 0,068A. So it might also be a Intel ME problem. However there's really no way for me to test that. If you ever get any luck with this please let me know :)
Regards
Albert
 
Здравствуйте, да, к сожалению, по сей день мы не нашли решения, однако наиболее вероятной причиной является аппаратная неисправность процессора. Я пробовал менять все, включая superIO (и его содержимое). Вся материнская плата, кажется, в порядке с точки зрения сопротивлений и напряжений. Все присутствует. Так что это либо неисправность связи BIOS-SuperIO, либо самого процессора, что, к сожалению, более вероятно. Как я уже сказал, у меня много таких материнских плат, и на всех них, похоже, одна и та же проблема. Единственная надежда, которая у меня была, была на то, что когда рабочая плата была заменена на неправильный BIOS, она также останется на 0,068 А. Так что это также может быть проблема Intel ME. Однако у меня нет возможности проверить это. Если вам когда-нибудь повезет с этим, пожалуйста, дайте мне знать:)
С уважением
Альберт
Спасибо. Если что-то получится, я вам напишу.
 
LA-J551P REV :2B OLD FILE ,NO DISPLAY
PLZ REAIR AND CLEAN ME
 

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  • OLD LA-J551P REV 2B.BIN
    OLD LA-J551P REV 2B.BIN
    16 MB · Views: 1
  • Technical file information BIOS / firmware dump

    Technical attachment OLD LA-J551P REV 2B.BIN. Resource type: BIOS / firmware dump. Motherboard code: LA-J551P, REV 2B. SPI flash capacity: 16 MB. Verify the exact model and board revision before programming or repair work.

    Motherboard
    LA-J551P
    Board revision
    REV 2B
    Memory / flash device
    SPI NOR flash · 16 MB
    File type
    BIN · 16 MB
    SHA-256
    65da83046c1591e4de584c83e3263a9ad0777ce688e1b32ae3ab8574179a2ab9
    Download access
    Paid membership required
    Community verification No verified downloader ratings yet.

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  • OLD LA-J551P REV 2B_dmi_Builds_FLMS0.bin
  • Technical file information BIOS / firmware dump, BIOS Builds

    Technical download for FLMS0. Resource type: BIOS / firmware dump, BIOS Builds. BIOS build and DMI restoration service: device identity data and firmware regions should be checked before programming. Motherboard code: LA-J551P. SPI flash capacity: 16 MB. Verify the exact model and board revision before programming or repair work.

    Model
    FLMS0
    Motherboard
    LA-J551P
    Memory / flash device
    SPI NOR flash · 16 MB
    File type
    BIN · 16 MB
    SHA-256
    39ff101c2b6cc32c678d2354d333a06ac47df20ff71edb51012a451c8dc9522f
    Download access
    Paid membership required
    Community verification No verified downloader ratings yet.

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