Compal boardLaptop mainboardUpdated 2026-10-01
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LA-4891P schematic & BIOS

Compal board used in HP EliteBook 6440B 6540B. HP EliteBook 6440B 6540B

Files for LA-4891P (2)

TypeFormatFile nameRev SizeAddedDownloadMirror
Schematic .pdf HP_ELITEBOOK_6440b_6540b_COMPAL_LA_4891P_KELL00_DIOR_DISCRETE_REV.pdf — 1.5 MB Telegram —
BIOS .bin HP 6540B (LA-4891P).BIN — 4.0 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.