Master Lappysan & Technodev (@lappysan) is a public Telegram channel for BIOS & firmware. Enginerys has indexed 51 files from it: 35 BIOS dumps, 7 schematics, 6 software.
- CHROMEBOOKUNLOCKER
Windows executable named CHROMEBOOKUNLOCKER, about 9.9 MB, intended by its name as a Chromebook unlocking utility.
Software · 9.92 MB · 9 Oct 2026Software exe—9.92 MB - hp245G6DMITRANSFER
Windows executable named for DMI transfer on the HP 245 G6 laptop, about 9.9 MB in size.
Software · 9.92 MB · 9 Oct 2026Software exe—9.92 MB - 820-00164-aBIOS · 820-00164 · 1.47 MB · 29 Aug 2026BIOS zip1.47 MB
- colorful
Firmware archive whose name only says colorful, likely meaning the Colorful brand, without giving a model, board or version, so its contents have to be identified by…
BIOS · 10.3 MB · 13 Aug 2026BIOS rar—10.3 MB - 820-00165-A lappysan
Schematic in PDF for Apple logic board 820-00165-A, a 1.54 MB document; the name gives no Mac model.
Schematic · 820-00165 · 1.54 MB · 3 Jul 2026Schematic pdf1.54 MB - nm-c781 oldBIOS · NM-C781 · 16.0 MB · 19 Mar 2026BIOS bin16.0 MB
- NM-C781 ONBOARD DISABLE OK
BIOS dump for Lenovo LCFC board NM-C781, 16 MB, described in the name as onboard disable OK.
BIOS · NM-C781 · 16.0 MB · 19 Mar 2026BIOS bin16.0 MB - ventoy
Tiny 294-byte zip named after Ventoy, the open-source tool for creating bootable USB drives from multiple ISO images.
BIOS · 294 B · 17 Jan 2026BIOS zip—294 B - LAPPYSAN windows update disable
Small Windows executable of 168 KB whose name suggests a utility for disabling Windows Update, labelled LAPPYSAN.
Software · 168 KB · 27 Dec 2025Software exe—168 KB - stock-firmware-YAHIKO-20251224
Stock firmware image named YAHIKO and dated 20251224, stored as a 16.0 MB ROM file. The name gives no brand, model or board number, so the target device has to be…
BIOS · 16.0 MB · 24 Dec 2025BIOS rom—16.0 MB - LENOVO 330 - 14IGM NM-B661 REV 1.0 BIOS & EC
BIOS and EC firmware set for the Lenovo 330-14IGM laptop on LCFC motherboard NM-B661 revision 1.0, packed in a RAR of about 8.19 MB.
BIOS · NM-B661 · 8.19 MB · 8 Dec 2025BIOS rar8.19 MB - Dell E6430 QAL81 la-7782p rev 1.0 a00
BIOS archive for the Dell Latitude E6430 on Compal board LA-7782P, revision 1.0, codename QAL81, version A00, packed as a 5.72 MB RAR.
BIOS · LA-7782P · 5.72 MB · 21 Nov 2025BIOS rar5.72 MB - 820 00850 A Apple MacBook Pro 13'' Touch A1989 X941 BoardView BRD
Boardview in BRD format for the Apple MacBook Pro 13-inch with Touch Bar, model A1989, logic board 820-00850-A, project X941.
Boardview · 820-00850 · 843 KB · 1 Nov 2025Boardview brd843 KB - 820 00850 A Apple MacBook Pro 13'' Touch A1989 X941 REV 4 0 0 051
PDF schematic for the Apple MacBook Pro 13-inch Touch Bar A1989, logic board 820-00850-A, project X941, revision 4.0.0 (051 in the name).
Schematic · 820-00850 · 18.1 MB · 1 Nov 2025Schematic pdf18.1 MB - free latest me cleaner tool
Archive described in its name only as a ME cleaner tool. ME refers to the Intel Management Engine firmware region inside a BIOS image, and such tools are used to rebuild…
BIOS · 76.8 MB · 28 Oct 2025BIOS rar—76.8 MB - X2482 (Apple MacBook Pro 14 A2918 M3 2023) 820-02757
Schematic in PDF form for the Apple MacBook Pro 14 A2918 with the M3 chip, from 2023, with project code X2482 and board number 820-02757.
Schematic · 820-02757 · 2.17 MB · 27 Oct 2025Schematic pdf2.17 MB - MacBook Air M2 15.3 A2941 820-03160 PCB layer
Boardview layout for the Apple MacBook Air M2 15.3-inch, model A2941, logic board 820-03160, supplied as a PCB layer file in .cad format; the (2) in the name suggests a…
Boardview · 820-03160 · 1.26 MB · 27 Oct 2025Boardview cad1.26 MB - 820-02757-06 BoardView
Boardview in .brd format for the Apple logic board 820-02757, revision 06. The 820 numbering is Apple's own system for logic boards.
Boardview · 820-02757 · 864 KB · 27 Oct 2025Boardview brd864 KB - TPS 51123 Working
PDF document for the TPS51123, a Texas Instruments dual synchronous step-down controller often used to generate the 3.3 V and 5 V standby rails on laptop boards.
Schematic · 791 KB · 21 Oct 2025Schematic pdf—791 KB - APPLE MacBook Pro 13 M1 Late 2020 A2338 820 02020 T668 MLB Location
Apple MacBook Pro 13 inch M1, Late 2020, model A2338, logic board 820-02020, project T668, as a 10.8 MB PDF; the name marks it as a MLB location document, meaning it…
Schematic · 820-02020 · 10.8 MB · 29 Sept 2025Schematic pdf10.8 MB - stock-firmware-BLOOGLET-20250430
Stock firmware ROM for an HP device with the code name BLOOGLET, dated 2025-04-30 and sized 16 MB.
BIOS · 16.0 MB · 30 Apr 2025BIOS rom—16.0 MB - RSA SIGNATURE TOOLS
Software archive titled RSA signature tools, 28.8 MB, with no indication of the platform or brand it targets.
Software · 28.8 MB · 13 Apr 2025Software rar—28.8 MB - PCUnlocker 5.6 - UEFISoftware · 285 MB · 16 Mar 2025Software iso—285 MB
- PCUnlocker 5.6 - Legacy BIOSSoftware · 210 MB · 16 Mar 2025Software iso—210 MB
- MS-16R71 ver 2.0
RAR archive of firmware for MSI board MS-16R71, version 2.0 according to the name. MS-16R7 is MSI's own internal laptop board code, with the last digit indicating the…
BIOS · MS-16R71 · 22.6 MB · 27 Feb 2025BIOS rar22.6 MB - dan14nmb6d0
Firmware archive for Quanta board DAN14NMB6D0, 40.0 MB in RAR form, with no model, version or chip size given in the name.
BIOS · DAN14NMB6D0 · 40.0 MB · 12 Feb 2025BIOS rar40.0 MB - MEAnalyzer-r362
Archive of MEAnalyzer revision r362, a utility rather than a firmware dump, though filed under BIOS tools.
BIOS · 4.59 MB · 6 Feb 2025BIOS rar—4.59 MB - isl6259 charging ic
PDF document covering the Intersil ISL6259 battery charger controller, labelled as charging IC material.
Schematic · 523 KB · 6 Feb 2025Schematic pdf—523 KB - DA0ZQ0MB6E0 REV EBIOS · DA0ZQ0MB6E0 · 3.67 MB · 3 Feb 2025BIOS rar3.67 MB
- X403FA backup asusXM25QH128A@SOIC8-200 20250119 134214
Backup BIOS read from an ASUS X403FA laptop, captured from an XM25QH128A SOIC-8 flash chip on 2025-01-19 according to the name.
BIOS · 16.0 MB · 19 Jan 2025BIOS bin—16.0 MB - DELL VOSTRO 14 5410 CYBORG V14 MB TGL 203065 1 32MB WORKING BIOS
Working BIOS image for the Dell Vostro 14 5410, project code Cyborg V14, on a Tiger Lake (TGL) mainboard marked 203065-1, stored as an 11.0 MB RAR archive.
BIOS · 11.0 MB · 18 Jan 2025BIOS rar—11.0 MB - Intel SPI Programming Guide
Intel SPI Programming Guide in PDF form, 913 KB, catalogued under schematics although it is a reference document rather than a board diagram.
Schematic · 913 KB · 17 Jan 2025Schematic pdf—913 KB - IPCFL-GL REV A01 100% OK
BIOS firmware archive for a board identified as IPCFL-GL revision A01, a 19.7 MB RAR marked as fully working.
BIOS · 19.7 MB · 16 Jan 2025BIOS rar—19.7 MB - CCA11 LA-D952P REV 1.0 2016-05-27 8MB BIOS TESTED OK
Tested BIOS dump for Compal board LA-D952P revision 1.0 with platform code CCA11, dated 2016-05-27, supplied as a 7.83 MB RAR containing an 8MB image for a 64 Mbit SPI…
BIOS · LA-D952P · 7.83 MB · 16 Jan 2025BIOS rar7.83 MB - PYTHON FOR DELL EXTRAXTOR by lappysan
A Python-based Dell extractor toolkit, attributed to lappysan, packed in a 31.6 MB RAR rather than a firmware image.
BIOS · 31.6 MB · 12 Jan 2025BIOS rar—31.6 MB - Hex.Workshop.6.8.0.5419
RAR archive of Hex Workshop version 6.8.0.5419, a Windows hex editor, filed in the firmware section rather than being a dump itself.
BIOS · 21.1 MB · 30 Dec 2024BIOS rar—21.1 MB - F6flpy-x64 - VMD
ZIP package of Intel F6 floppy storage drivers for 64-bit Windows, the VMD variant, at 3.02 MB.
BIOS · 3.02 MB · 30 Dec 2024BIOS zip—3.02 MB - F6flpy-x64-Non-VMD
Intel F6 floppy driver package for 64-bit Windows, non-VMD edition, in a 3.72 MB ZIP. It provides the Rapid Storage Technology storage driver loaded during Windows Setup…
BIOS · 3.72 MB · 30 Dec 2024BIOS zip—3.72 MB - Macrium
A 147 MB RAR archive named only Macrium, which points to Macrium Reflect, a Windows disk imaging and cloning tool, though the name gives no version or edition.
BIOS · 147 MB · 30 Dec 2024BIOS rar—147 MB - outimage
Generic 8 MB binary called outimage(1), a name typical of output files produced by BIOS editing or ME cleaning tools such as Intel Flash Image Tool, but it states no…
BIOS · 8.00 MB · 29 Dec 2024BIOS bin—8.00 MB