Compal boardLaptop mainboardUpdated 2026-08-01
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LA-K491P schematic, boardview & BIOS

Compal board used in Dell Latitude 5420, Dell Latitude 14 5420, Dell 5520. GDF40 Dell Latitude 5420 Dell Latitude 14 5420 Dell 5520

Files for LA-K491P (17)

TypeFormatFile nameRev SizeAddedDownloadMirror
Schematic .pdf Dell_Latitude_5420_Compal_X12_LA_K491P_Rev2_0_A01_2020_11_30_Schematic.pdf 2.0 3.0 MB Telegram #1 #2
Schematic .rar Dell Latitude 5420 LA-K491P Rev 2.0(A01) Schematic.rar 2.0 2.2 MB Telegram —
Schematic .pdf Dell_latitude_14_5420_Compal_GDF40_LA_K491P_Schematic.pdf — 5.5 MB Telegram #1 #2
Boardview .cad Dell latitude 14 5420 Compal GDF40 LA-K491P BoardView.cad — 1.0 MB Telegram —
Boardview .zip Dell_latitude_14_5420_Compal_GDF40_LA_K491P_Rev_0_3_BoardView_cad.zip 0.3 147 KB Telegram —
Boardview .rar DELL_latitude_14_5420_COMPAL_GDF40_LA_K491P_BOARDVIEW_BDV_CAD.rar — 420 KB Telegram #1 #2
BIOS .rar DELL_Latitude_5420_GDF40_LA_K491P_REV_3_0_I7_11th_GEN_32MB_TESTED.rar 3.0 63 MB Telegram —
BIOS .rar DELL_latitude_5420_GDF40_LA_K491P_REV2_0A01_2021_04_28_OKOK.rar 2.0 14 MB Telegram —
BIOS .rar DELL_Latitude_5420_GDF40_LA_K491P_REV_2_0_I5_11th_GEN_32MB_SSD_TPM.rar 2.0 52 MB Telegram —
BIOS .rar GDF40_LA_K491P_REV_3_0A02_2021_10_15_CLEAR_ME_REGION_WORKING_BIOS.rar 3.0 11 MB Telegram —
BIOS .rar LA-K491P REV 3.0 DELL Latitude 5420 S BIOS WORLD .rar 3.0 11 MB Telegram #1
BIOS .rar DELL 5520 LA-K491P TYPE C BIOS UT7 @SKCLAPPY.rar — 139 KB Telegram —
BIOS .rar LA-K491P DELL 5520 TYPE C BIOS S BIOS WORLD.rar — 138 KB Telegram #1
BIOS .rar Latitude 5420_LA-K491P REV 2_TESTED BY FST FIX.rar 2 12 MB Telegram —
BIOS .rar LATITUDE 5420_LA-K491P REV 3.0_TESTED BY FST FIX.rar 3.0 9.3 MB Telegram #1
BIOS .rar Dell_Latitude_5420_Main_GDF40_LA_K491P_rev_2_0_unlock,_confirmed.rar 2.0 11 MB Telegram #1
Board photos .rar DELL_LATITUDE_5420_COMPAL_LA-K491P HD PHOTO.rar — 19 MB Telegram #1

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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.

How to open these boardview files

FormatOpens with
.cad BoardViewer (Borneo), FlexBV, OpenBoardView