Compal boardLaptop mainboardUpdated 2026-09-15
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LA-H091P schematic & BIOS

Compal board used in Lenovo S540 14API Compl. EL4C2 Lenovo S540 14API Compl

Files for LA-H091P (5)

TypeFormatFile nameRev SizeAddedDownloadMirror
Schematic .pdf Lenovo_S540_14API_Compl_LA_H091P_EL4C2_EL452_R10_20181220_DFB_1.pdf — 1.5 MB Telegram —
Schematic .pdf Lenovo_S540_14API_Compl_LA_H091P_EL4C2_EL452_R10_20181220_DFB_2.pdf — 1.5 MB Telegram —
Schematic .pdf Lenovo_S540_14API_Compl_LA_H091P_EL4C2_EL452_R10_20181220_DFB_new.pdf — 1.8 MB Telegram —
Schematic .pdf Lenovo_S540_14API_Compl_LA_H091P_EL4C2_EL452_R10_20181220_DFB.pdf — 1.5 MB Telegram #1
BIOS .rar EL4C2 EL452 LA-H091P REV 1.0 8MB BIOS + EC OK.rar 1.0 7.7 MB Telegram —

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Models using this board

Model names are taken from the file names as published; always confirm the board number printed on your PCB.