Brand
Format
Device
- Name Type Board Source Added Size
- Dell Alienware 15 R3 17 R4 BAP10 LA D751P REV1 0 i7 7th GEN 16MB
BIOS firmware for Dell Alienware 15 R3 and 17 R4 laptops on the BAP10 platform, Compal board LA-D751P revision 1.0, intended for 7th generation Intel Core i7 machines.
BIOS · LA-D751P · 15.5 MB · 25 Apr 2026BIOS rar15.5 MB - DELL Latitude 7430 HDB30 HDB40 HDB50 LA L581P UNLOCK WORKING BIOSBIOS · LA-L581P · 26.2 MB · 25 Apr 2026BIOS rar26.2 MB
- lsz-1 mb 13251-1 mec ec
EC firmware archive for a laptop main board numbered 13251-1, with the LSZ-1 project code also in the name and MEC indicating a Microchip MEC-series embedded controller.
BIOS · 13251-1 · 110 KB · 25 Apr 2026BIOS zip110 KB - NEW BIOSBIOS · 6.75 MB · 25 Apr 2026BIOS rar—6.75 MB
- 16MBBIOS · 16.0 MB · 24 Apr 2026BIOS bin—16.0 MB
- 8MBBIOS · 8.00 MB · 24 Apr 2026BIOS bin—8.00 MB
- 8mb ME++BIOS · 8.00 MB · 24 Apr 2026BIOS bin—8.00 MB
- NVME Not DetectedBIOS · NM-E901 · 6.85 MB · 24 Apr 2026BIOS rar6.85 MB
- Inspiron 5401BIOS · 7.36 MB · 24 Apr 2026BIOS rar—7.36 MB
- ZQS Acer Aspire E1-431E1-431GE1-471E1-471G BIOS.rarBIOS · 1.75 MB · 24 Apr 2026BIOS rar—1.75 MB
- ZQS Acer Aspire E1-431E1-431GE1-471E1-471G BIOSBIOS · 1.75 MB · 24 Apr 2026BIOS rar—1.75 MB
- 4YTSN53 unlocked dell latitude 5400 bios
BIOS dump for a Dell Latitude 5400 labelled unlocked, with 4YTSN53 in the name, which looks like a Dell service tag.
BIOS · 11.8 MB · 24 Apr 2026BIOS rar—11.8 MB - Dell xps13 9343 u720 does not trigger, PCH PLTRST# The EC signalBIOS · 1.08 MB · 24 Apr 2026BIOS rar—1.08 MB
- DELL 15R 5520 EC The D5 connected to on is broken, so the maintenanceBIOS · 1.50 MB · 24 Apr 2026BIOS rar—1.50 MB
- DELL 5400 BIOS LOCK
Dell Latitude 5400 BIOS image labelled lock, packed in an 11.4 MB RAR archive. The name suggests a password-locked original dump, useful as a reference or as the…
BIOS · 11.4 MB · 24 Apr 2026BIOS rar—11.4 MB - dell 5400 LCKD unlocked
Firmware package for the Dell Latitude 5400 whose name indicates a locked (LCKD) dump and an unlocked version, in an 11.4 MB RAR.
BIOS · 11.4 MB · 24 Apr 2026BIOS rar—11.4 MB - dell 5400 locked ST J8D7N53
Locked BIOS dump from a Dell Latitude 5400, with ST J8D7N53 in the name, most likely the service tag of the source unit.
BIOS · 11.0 MB · 24 Apr 2026BIOS rar—11.0 MB - Dell Latitude 7400 Bios Password unlocked
Unlocked BIOS image for a Dell Latitude 7400, prepared to remove the BIOS password, supplied as an 11.6 MB ZIP.
BIOS · 11.6 MB · 24 Apr 2026BIOS zip—11.6 MB - DELL LATTITUDE 5400
BIOS firmware for a Dell Latitude 5400, given in an 11.3 MB RAR with no information about lock status, version or board number in the name.
BIOS · 11.3 MB · 24 Apr 2026BIOS rar—11.3 MB - la-g891p locked
Locked BIOS dump for a laptop with board number LA-G891P, delivered as an 11.3 MB RAR archive.
BIOS · LA-G891P · 11.3 MB · 24 Apr 2026BIOS rar11.3 MB - Bios yoga12
BIOS image for a Yoga 12 laptop, according to the name, provided as a 5.60 MB RAR; no board number, revision or version is given.
BIOS · 5.60 MB · 24 Apr 2026BIOS rar—5.60 MB - Dump Bios Lenovo x240 outimage
Lenovo ThinkPad X240 BIOS dump, described as an outimage, which usually means a full image read out from the flash chip.
BIOS · 5.47 MB · 24 Apr 2026BIOS zip—5.47 MB - ET480 NM-B501 REV1.0 T480
BIOS firmware for the Lenovo ThinkPad T480, board ET480 with number NM-B501 at revision 1.0, packed as a 7.95 MB RAR.
BIOS · NM-B501 · 7.95 MB · 24 Apr 2026BIOS rar7.95 MB - la-e291p u49 16mb MX25L12835F-NEW
BIOS dump for board LA-E291P, taken from chip position U49, a 16 MB MX25L12835F flash; NEW suggests a fresh or revised image. LA- numbering is used by the Compal ODM.
BIOS · LA-E291P · 7.96 MB · 24 Apr 2026BIOS rar7.96 MB - Lenovo - X240
Firmware dump for the Lenovo ThinkPad X240, packed in a 5.45 MB RAR, with no version, board number or lock status given in the name.
BIOS · 5.45 MB · 24 Apr 2026BIOS rar—5.45 MB - LENOVO T480 20L5-0007GE SN PF-0YZ1R8
Lenovo ThinkPad T480 BIOS dump from a unit with machine type 20L5-0007GE and serial PF-0YZ1R8, supplied as a 12.0 MB RAR.
BIOS · 12.0 MB · 24 Apr 2026BIOS rar—12.0 MB - Lenovo T490, NM-B901 rev.1.0 20N3-SA5500
Lenovo ThinkPad T490 BIOS image for board NM-B901 revision 1.0, taken from machine type 20N3, with SA5500 in the name.
BIOS · NM-B901 · 10.2 MB · 24 Apr 2026BIOS rar10.2 MB - Lenovo T490 bios
BIOS firmware for the Lenovo ThinkPad T490, delivered as a 10.2 MB RAR; the name gives no board number, version or source serial.
BIOS · 10.2 MB · 24 Apr 2026BIOS rar—10.2 MB - LENOVO T490S NM FT491 FX390 B891 FEV 2.0 ABSOLUTE ENABLE
BIOS firmware archive for the Lenovo ThinkPad T490s, labelled with the board identifiers NM FT491, FX390 and B891 at revision 2.0.
BIOS · 15.3 MB · 24 Apr 2026BIOS rar—15.3 MB - Lenovo ThinkPad T470s (Type 20JT) i5-6300U
Firmware package for the Lenovo ThinkPad T470s, machine type 20JT, taken from a unit fitted with an Intel Core i5-6300U processor.
BIOS · 8.44 MB · 24 Apr 2026BIOS zip—8.44 MB - Lenovo ThinkPad T490 Type (20N2) (N2IET87W)
BIOS dump for the Lenovo ThinkPad T490, machine type 20N2, with BIOS version N2IET87W given in the name.
BIOS · 7.49 MB · 24 Apr 2026BIOS rar—7.49 MB - Lenovo Thinkpad T490 Type (20N3) (N2IETA0P) (1) PF1W2L4M.
Lenovo ThinkPad T490 machine type 20N3 firmware archive with BIOS version N2IETA0P. The extra tag PF1W2L4M in the name looks like a serial number, which suggests the…
BIOS · 9.95 MB · 24 Apr 2026BIOS rar—9.95 MB - Lenovo Thinkpad T490 Type (20N3) (N2IETA0P)
BIOS image collection for the Lenovo ThinkPad T490, type 20N3, at firmware version N2IETA0P, stored as a 9.95 MB RAR archive.
BIOS · 9.95 MB · 24 Apr 2026BIOS rar—9.95 MB - Lenovo ThinkPad X380 Yoga Type (20LJ) (R0SET27W)
Firmware dump for the Lenovo ThinkPad X380 Yoga convertible, machine type 20LJ, with BIOS version R0SET27W.
BIOS · 8.28 MB · 24 Apr 2026BIOS rar—8.28 MB - Lenovo ThinkPad X380 Yoga Type (20LJ) (R0SET27W)
Lenovo ThinkPad X380 Yoga type 20LJ BIOS archive, version R0SET27W, packed as an 8.28 MB RAR.
BIOS · 8.28 MB · 24 Apr 2026BIOS rar—8.28 MB - Lenovo ThinkPad X390 Yoga Type (20NN)
BIOS firmware for the Lenovo ThinkPad X390 Yoga, machine type 20NN, supplied as a 10.8 MB RAR archive.
BIOS · 10.8 MB · 24 Apr 2026BIOS rar—10.8 MB - Acer 5750 la 6901p EC is disconnected from BIOS, resulting in failureBIOS · LA-6901P · 639 KB · 24 Apr 2026BIOS rar639 KB
- LENOVO X250, viux1 nm-a091 rev1.0
BIOS dump for the Lenovo ThinkPad X250 on motherboard NM-A091 revision 1.0, with VIUX1 given as the board project code.
BIOS · NM-A091 · 6.04 MB · 24 Apr 2026BIOS rar6.04 MB - LENOVO X260 BIOS
Generic BIOS archive for the Lenovo ThinkPad X260, stored as a 5.09 MB RAR. The name does not give a board number, revision or firmware version, so the contents should…
BIOS · 5.09 MB · 24 Apr 2026BIOS rar—5.09 MB - Lenovo Yoga 11e DALI8KMB8D0 BIOS
BIOS firmware for the Lenovo Yoga 11e, tied to motherboard DALI8KMB8D0. The DA-prefixed number follows Quanta's numbering scheme, which shows the board was made by the…
BIOS · DALI8KMB8D0 · 5.22 MB · 24 Apr 2026BIOS zip5.22 MB
About BIOS & firmware dumps
A BIOS dump is a byte-for-byte image of the SPI flash chip on a motherboard. Repair technicians use a known-good dump to revive a board whose firmware is corrupted, or to replace a firmware image with a clean Management Engine region after a chipset swap.
A dump is tied to the exact board revision. Always match the full board number and revision, back up the original chip twice before writing anything, and move the serial number, UUID and Windows key (DMI data) from the old image to the new one.