LA-B291P is a Compal motherboard used in Lenovo devices. Enginerys has 12 schematics, 4 boardviews, 28 BIOS dumps and 3 archives for this board, collected from public Telegram channels.
Check that LA-B291P matches the number printed on your PCB, including the revision. Where to find it →
LA-B291P schematics
- 046ce Compal LA-B291P r1.0-SRGinfotechSchematic · LA-B291P · 2.07 MB · 9 May 2025Schematic pdf2.07 MB
- compal la-b291p r1.0 schematics-SRGinfotechSchematic · LA-B291P · 2.09 MB · 7 May 2025Schematic pdf2.09 MB
- compal la-b291p r1.0 schematicsSchematic · LA-B291P · 1.94 MB · 22 Jan 2025Schematic rar1.94 MB
- Lenovo B50-45 (Compal LA-B291P)Schematic · LA-B291P · 2.07 MB · 8 Sept 2023Schematic pdf2.07 MB
- COMPAL LA-B291P R1.0 SCHEMATICS
Schematic set for the Compal LA-B291P motherboard, revision 1.0, provided inside a RAR archive.
Schematic · LA-B291P · 1.93 MB · 19 Jan 2021Schematic rar1.93 MB - Compal LA-B291P r1.0Schematic · LA-B291P · 2.07 MB · 4 Aug 2019Schematic pdf2.07 MB
- COMPAL LA-B291P R1.0 SCHEMATICS
Full schematic set for the Compal LA-B291P motherboard, revision 1.0, supplied as a 2.09 MB PDF.
Schematic · LA-B291P · 2.09 MB · 27 Jul 2019Schematic pdf2.09 MB - COMPAL LA B291P R1 0 SCHEMATICSSchematic · LA-B291P · 1.26 MB · 14 Jul 2019Schematic pdf1.26 MB
- COMPAL LA-B291P R1.0 SCHEMATICS
Circuit diagrams for the Compal LA-B291P mainboard, revision R1.0, supplied as a 1.93 MB RAR archive.
Schematic · LA-B291P · 1.93 MB · 10 Jul 2019Schematic rar1.93 MB - COMPAL LA B291P R1 0 SCHEMATICS
Compal LA-B291P schematic at revision 1.0, in a 1.16 MB RAR archive. The LA-B291P code follows Compal's board numbering, where the letter after LA- belongs to the newer…
Schematic · LA-B291P · 1.16 MB · 10 Jul 2019Schematic rar1.16 MB - Lenovo B50-45 (Compal LA-B291P) Laptop SchematicsSchematic · LA-B291P · 2.27 MB · 17 Oct 2018Schematic pdf2.27 MB
- Lenovo B50-45 (Compal LA-B291P) Laptop SchematicsSchematic · LA-B291P · 2.27 MB · 17 Oct 2018Schematic pdf2.27 MB
LA-B291P boardviews
- LENOVO B50-45 Compal ZAWBB LA-B291P Boardview (BDV)Boardview · LA-B291P · 701 KB · 9 May 2025Boardview bdv701 KB
- Lenovo B50-45 Compal ZAWBB LA-B291P
Boardview for the Lenovo B50-45 laptop, a Compal board with project code ZAWBB and number LA-B291P, in .bdv format.
Boardview · LA-B291P · 701 KB · 19 Mar 2024Boardview bdv701 KB - LENOVO B50-45 Compal ZAWBB LA-B291P Boardview (B
Layout for the Lenovo B50-45 built on Compal motherboard LA-B291P, project code ZAWBB, delivered as a 272 KB ZIP.
Boardview · LA-B291P · 272 KB · 17 Sept 2023Boardview zip272 KB - LENOVO B50-45 Compal ZAWBB LA-B291P Boardview (BDV)
Boardview in BDV format for the Lenovo B50-45, a Compal design with project code ZAWBB and board number LA-B291P, in a 224 KB RAR.
Boardview · LA-B291P · 224 KB · 17 Sept 2023Boardview rar224 KB
LA-B291P BIOS dumps
- LENOVO N50 45 LA B291P ZAWBA ZAWBB Rev 1 0 telegram BIOS RepairBIOS · LA-B291P · 2.57 MB · 24 Sept 2025BIOS zip2.57 MB
- Lenovo B50 45 ZAWBABB LA B291P telegram BIOS Repair 2025 09 16BIOS · LA-B291P · 2.69 MB · 23 Sept 2025BIOS zip2.69 MB
- Lenovo B50 45 20380 ZAWBA ZAWBB LA B291P REV 1 0 BIOS+EC telegramBIOS · LA-B291P · 2.56 MB · 23 Sept 2025BIOS zip2.56 MB
- Lenovo B50 45 20380 ZAWBA ZAWBB LA B291P REV 1 1 0 BIOS+EC telegramBIOS · LA-B291P · 2.56 MB · 23 Sept 2025BIOS zip2.56 MB
- LENOVO N50-45 LA-B291P ZAWBA ZAWBB Rev 1.0BIOS · LA-B291P · 8.00 MB · 12 May 2025BIOS bin8.00 MB
- Lenovo B50 45 amd E1 ZAWBA BB LA B291P REV 1 0 2014 03 12 U1 CEBIOS · LA-B291P · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- LENOVO N50-45 LA-B291P ZAWBA ZAWBB Rev 1.0BIOS · LA-B291P · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- Nuvoton SAS Nuvoton LENOVO B50 45 MB ZAWBA BB LA B291P REV 1 0 NBIOS · LA-B291P · 128 KB · 7 May 2025BIOS bin128 KB
- Nuvoton SAS Nuvoton Compal LA-B291P ec newBIOS · LA-B291P · 128 KB · 7 May 2025BIOS bin128 KB
- LA-B291P Lenovo B50-45BIOS · LA-B291P · 1.92 MB · 15 Dec 2024BIOS rar1.92 MB
- AFS LENOVO N50-45 LA-B291P ZAWBA ZAWBB Rev 1.0
Firmware package for the Lenovo N50-45 laptop, made for the Compal LA-B291P mainboard at revision 1.0, with the ZAWBA and ZAWBB project codes listed in the title.
BIOS · LA-B291P · 2.37 MB · 1 Feb 2024BIOS rar2.37 MB - AFS Lenovo B50-45 ZAWBABB LA-B291PBIOS · LA-B291P · 2.50 MB · 1 Feb 2024BIOS rar2.50 MB
- AFS Lenovo B50-45 20380 ZAWBA ZAWBB LA-B291P REV 1.0 BIOS+ECBIOS · LA-B291P · 2.41 MB · 1 Feb 2024BIOS rar2.41 MB
- AFS Lenovo B50 45 20380 ZAWBA ZAWBB LA B291P REV 1 1 0 BIOS+ECBIOS · LA-B291P · 2.41 MB · 1 Feb 2024BIOS rar2.41 MB
- AFS Nuvoton MIC IO Nuvoton LENOVO B50 45 MB ZAWBA BB LA B291P REVBIOS · LA-B291P · 50.9 KB · 24 Jan 2024BIOS rar50.9 KB
- AFS Nuvoton MIC IO Nuvoton Compal LA-B291P ec newBIOS · LA-B291P · 51.8 KB · 24 Jan 2024BIOS rar51.8 KB
- ZAWBA BB LA-B291P 2014-03-12 WORKING BIOS 100%
Firmware image for a Compal LA-B291P board with project code ZAWBA BB, dated 2014-03-12 and marked as fully working, packed in a 9 MB RAR archive.
BIOS · LA-B291P · 9.12 MB · 17 Sept 2023BIOS rar9.12 MB - Lenovo B50 45 amd E1 ZAWBA BB LA B291P REV 1 0 2014 03 12 U1 CERCABIOS · LA-B291P · 8.00 MB · 23 Feb 2021BIOS bin8.00 MB
- Lenovo B50-45 ZAWBABB LA-B291P (Luirons Bios)BIOS · LA-B291P · 2.50 MB · 23 Feb 2021BIOS rar2.50 MB
- Lenovo B50 45 amd E1 ZAWBA BB LA B291P REV 1 0 2014 03 12 U1 CERCABIOS · LA-B291P · 8.00 MB · 23 Feb 2021BIOS bin8.00 MB
- Lenovo B50 45 20380 ZAWBA ZAWBB LA B291P REV 1 0 BIOS+EC LuironsBIOS · LA-B291P · 2.41 MB · 22 Feb 2021BIOS rar2.41 MB
- Lenovo B50 45 20380 ZAWBA ZAWBB LA B291P REV 1 1 0 BIOS+EC LuironsBIOS · LA-B291P · 2.41 MB · 22 Feb 2021BIOS rar2.41 MB
- LENOVO N50-45 LA-B291P ZAWBA ZAWBB Rev 1.0 (Luirons Bios)BIOS · LA-B291P · 2.37 MB · 22 Feb 2021BIOS rar2.37 MB
- Lenovo B50-45 ZAWBABB LA-B291P
BIOS for the Lenovo B50-45 built on Compal board LA-B291P, with the platform code ZAWBABB also stated, packed as a 2.55 MB ZIP.
BIOS · LA-B291P · 2.55 MB · 9 Nov 2020BIOS zip2.55 MB - LENOVO N50-45 LA-B291P ZAWBA ZAWBB Rev 1.0
Lenovo N50-45 firmware for Compal board LA-B291P revision 1.0, platform codes ZAWBA and ZAWBB.
BIOS · LA-B291P · 2.37 MB · 12 Sept 2018BIOS rar2.37 MB - Lenovo B50-45 20380 ZAWBA ZAWBB LA-B291P REV 1.0 BIOS+EC
BIOS plus EC firmware for the Lenovo B50-45 type 20380, Compal board LA-B291P revision 1.0 with platform codes ZAWBA and ZAWBB, in a 2.41 MB RAR.
BIOS · LA-B291P · 2.41 MB · 12 Sept 2018BIOS rar2.41 MB - Lenovo B50 45 amd E1 ZAWBA BB LA
Firmware for the Lenovo B50-45, AMD E1 processor variant, ZAWBA/ZAWBB platform on Compal board LA-B291P, packed in a 2.37 MB RAR.
BIOS · LA-B291P · 2.37 MB · 12 Sept 2018BIOS rar2.37 MB - Lenovo B50-45 20380 ZAWBA ZAWBB LA-B291P REV 1.0 BIOS+EC
BIOS and EC firmware package for the Lenovo B50-45 (model 20380), built on the Compal board LA-B291P revision 1.0, with the ZAWBA and ZAWBB codes also given in the name.
BIOS · LA-B291P · 2.41 MB · 23 Jun 2018BIOS rar2.41 MB
LA-B291P archives
- 046ce Compal LA-B291P r1.0Archive · LA-B291P · 1.93 MB · 22 Jan 2025Archive rar1.93 MB
- ZAWBA-BB ZAWBB LA-B291P (REV 1.0)
Large 13.3 MB ZIP for Compal board LA-B291P revision 1.0, covering project codes ZAWBA-BB and ZAWBB.
Archive · LA-B291P · 13.3 MB · 30 Nov 2022Archive zip13.3 MB - LA-B291PArchive · LA-B291P · 1.94 MB · 19 Nov 2020Archive zip1.94 MB
Questions about LA-B291P
Is there a schematic for LA-B291P?
Yes. Enginerys lists 12 schematic files for LA-B291P. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for LA-B291P?
Yes, 4 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the LA-B291P board?
LA-B291P follows the Compal numbering scheme (LA-xxxxP). It is found in Lenovo devices.