IT SERVICE WORLD (@IT_SERVICE_WORLD) is a public Telegram channel for schematics + BIOS. Enginerys has indexed 19,675 files from it: 9,939 archives, 3,797 schematics, 3,746 BIOS dumps.
- AFS DVD Windows APP 10 FEB
RAR archive of 126 MB whose name points to an AFS DVD package containing a Windows application, dated 10 February.
BIOS · 126 MB · 10 Mar 2026BIOS rar—126 MB - E140FA MB REV 2.0 MAIN+ EC BIOS
BIOS package for a board labelled E140FA_MB revision 2.0, containing both the main BIOS and the EC firmware in a RAR of about 8 MB.
BIOS · 8.03 MB · 2 Sept 2025BIOS rar—8.03 MB - A1398 820-00138
Schematic in PDF for the Apple MacBook model A1398 with logic board number 820-00138, 1.5 MB in size.
Schematic · 820-00138 · 1.50 MB · 29 Apr 2025Schematic pdf1.50 MB - DAG3MMB3AA0 REV-A
BIOS dump identified only by board number DAG3MMB3AA0, revision A, with no laptop model named. The DA...MB...
BIOS · DAG3MMB3AA0 · 16.0 MB · 13 Mar 2024BIOS bin16.0 MB - Apple MacBook Pro Retina 13' A1502 X304 MLB 051 1573 820 4924 12
Schematic PDF for the Apple MacBook Pro Retina 13-inch A1502 logic board 820-4924, platform X304, with an MLB 051-1573 document reference.
Schematic · 820-4924 · 1.39 MB · 20 Feb 2024Schematic pdf1.39 MB - Apple Macbook Pro Retina 13” A1502 820-4924-A BoardView
Boardview file in BRD format for the Apple MacBook Pro Retina 13-inch A1502 logic board 820-4924, revision A, 576 KB in size.
Boardview · 820-4924 · 576 KB · 20 Feb 2024Boardview brd576 KB - GROOT REV-A
BIOS image labelled GROOT, revision A, supplied as a raw 16.0 MB binary. The name gives no brand, model or board number, so GROOT is most likely an internal project or…
BIOS · 16.0 MB · 22 Jan 2024BIOS bin—16.0 MB - DA0P1BMB6D0 RevD
Boardview in .brd format for the Quanta mainboard DA0P1BMB6D0, revision D, 288 KB in size.
Boardview · DA0P1BMB6D0 · 288 KB · 8 Nov 2023Boardview brd288 KB - DA0P1BMB6D0 RevD
Schematic in PDF format for the Quanta-designed board DA0P1BMB6D0, revision D, 2.58 MB.
Schematic · DA0P1BMB6D0 · 2.58 MB · 8 Nov 2023Schematic pdf2.58 MB - Toshiba L600-DATE2DMB8E0-REV-E Schematic
Schematic for the Toshiba Satellite L600 laptop, Quanta board DATE2DMB8E0 revision E, in a 1.49 MB PDF.
Schematic · DATE2DMB8E0 · 1.49 MB · 30 Jan 2023Schematic pdf1.49 MB - Sony MBX-247 Quanta HK1 Schematic
Schematic for a Sony VAIO motherboard numbered MBX-247, built by Quanta on its HK1 platform, supplied as a 1.02 MB PDF.
Schematic · MBX-247 · 1.02 MB · 30 Jan 2023Schematic pdf1.02 MB - Macbook Pro 13 2020 A2251 820-01949
Repair archive for the Apple MacBook Pro 13 inch 2020, model A2251, logic board 820-01949, packed as a 5.26 MB RAR file.
Boardview · 820-01949 · 5.26 MB · 30 Jan 2023Boardview rar5.26 MB - Lenovo Z40-70 LA-C281P (AIWZ0 AIWZ1) Rev1.0 Schematic
Schematic in PDF form for the Lenovo Z40-70 laptop, built on the Compal LA-C281P mainboard at revision 1.0, with the project codes AIWZ0 and AIWZ1 listed in the name.
Schematic · LA-C281P · 1.22 MB · 30 Jan 2023Schematic pdf1.22 MB - Lenovo YOGA 920 LCFC NM-B291 DYG60 REV1.0 schematic
Circuit diagram for the Lenovo Yoga 920, made by LCFC, Lenovo's own ODM, on the NM-B291 board with the project code DYG60 and revision 1.0.
Schematic · NM-B291 · 1.14 MB · 30 Jan 2023Schematic pdf1.14 MB - Lenovo Yoga 710 Compal LA-D471P Rev2.0 Schematic
Revision 2.0 schematic for the Lenovo Yoga 710, with a Compal LA-D471P motherboard, stored as a PDF of about 2.75 MB.
Schematic · LA-D471P · 2.75 MB · 30 Jan 2023Schematic pdf2.75 MB - Lenovo Yoga 530-14ARR Flex 6-14ARR LCFC NM-B781 Schematic
RAR archive holding the schematic for the Lenovo Yoga 530-14ARR, which is also sold as the Flex 6-14ARR, on the LCFC NM-B781 mainboard.
Schematic · NM-B781 · 1.51 MB · 30 Jan 2023Schematic rar1.51 MB - Lenovo X270 NM-B061R04 Schematic
Schematic for the Lenovo ThinkPad X270 in PDF format, about 3.11 MB, tagged NM-B061 with an R04 suffix that appears to mark the board revision.
Schematic · 3.11 MB · 30 Jan 2023Schematic pdf—3.11 MB - Lenovo X1 Carbon LCFC YODA-2 NM-B48 6th Gen Schematic
Schematic for the 6th-generation Lenovo ThinkPad X1 Carbon, designed by LCFC under the project name YODA-2, with the board number given as NM-B48 in the name.
Schematic · 2.54 MB · 30 Jan 2023Schematic pdf—2.54 MB - Lenovo X1 Carbon 8th Gen LCFC GX490 NM C661 Schematic & Silkscreen
RAR package for the 8th-generation Lenovo ThinkPad X1 Carbon on the LCFC GX490 board, number NM-C661, containing both the schematic and the silkscreen part placement.
Boardview · NM-C661 · 5.12 MB · 30 Jan 2023Boardview rar5.12 MB - Lenovo U31-70 AIVS3-AIVE3 LA-C311P Schematic
Compressed schematic set for the Lenovo U31-70 on the Compal LA-C311P mainboard, with the project codes AIVS3 and AIVE3 given in the name.
Schematic · LA-C311P · 1.19 MB · 30 Jan 2023Schematic rar1.19 MB - Lenovo Thinkpad P71 LCFC DP710 NM-B121 Rev1.0 Schematic
Schematic PDF for the Lenovo ThinkPad P71 mobile workstation, an LCFC design with the project name DP710, board NM-B121 and revision 1.0.
Schematic · NM-B121 · 2.78 MB · 30 Jan 2023Schematic pdf2.78 MB - Lenovo THINKPAD L430 Wistron LCD-1 11248-SC Schematic
Wistron-made schematic for the Lenovo ThinkPad L430, with the project name LCD-1 and the Wistron document number 11248-SC, where SC most likely stands for schematic.
Schematic · 2.04 MB · 30 Jan 2023Schematic pdf—2.04 MB - Lenovo ThinkPad L380 Wistron LKL-1 17821-SC Schematic
Circuit diagram for the Lenovo ThinkPad L380, designed by Wistron under the project name LKL-1 with document number 17821-SC.
Schematic · 4.71 MB · 30 Jan 2023Schematic pdf—4.71 MB - Lenovo Legion Y540 17IRH NM C531 FY710 FY714 Rev2 N18E G1 Schematic
RAR archive with the schematic for the Lenovo Legion Y540-17IRH, LCFC board NM-C531, listing the FY710 and FY714 project codes, revision 2 and the N18E-G1 graphics…
Schematic · NM-C531 · 2.65 MB · 30 Jan 2023Schematic rar2.65 MB - Lenovo Ideapad 500-15ISK LA-C581P Rev1.0D Schematic
PDF schematic for the Lenovo IdeaPad 500-15ISK on the Compal LA-C581P motherboard, revision 1.0D.
Schematic · LA-C581P · 1.58 MB · 30 Jan 2023Schematic pdf1.58 MB - Lenovo Ideapad 320C-15 DG42A DG52A NM-B244 REV 1.0 Schematic
Schematic for the Lenovo IdeaPad 320C-15, shipped as a 3.93 MB RAR file, for the LCFC NM-B244 board at revision 1.0, with the project codes DG42A and DG52A.
Schematic · NM-B244 · 3.93 MB · 30 Jan 2023Schematic rar3.93 MB - Lenovo Ideapad 110-15IBR LCFC CG420 NM-A805 r0.1 Schematic
Early schematic, revision 0.1, for the Lenovo IdeaPad 110-15IBR, an LCFC design with the project code CG420 and board number NM-A805.
Schematic · NM-A805 · 1.43 MB · 30 Jan 2023Schematic pdf1.43 MB - Lenovo G580 Wistron LG4858 uma mb 11291 1 48 4SG15 011 Schematic
Wistron schematic for the Lenovo G580 with UMA integrated graphics, project LG4858, document number 11291-1 and board code 48.4SG15.011.
Schematic · 1.68 MB · 30 Jan 2023Schematic pdf—1.68 MB - Lenovo FLEX14 FLEX15 Quanta ST6 DA0ST6MB6E0 Schematic
Quanta schematic for the Lenovo Flex 14 and Flex 15, project ST6, board number DA0ST6MB6E0.
Schematic · DA0ST6MB6E0 · 1.29 MB · 30 Jan 2023Schematic pdf1.29 MB - HP Zbook 15 VBL20 LA-9241P Schematic
Schematic for the HP ZBook 15 mobile workstation, made by Compal as project VBL20 on the LA-9241P board.
Schematic · LA-9241P · 1.71 MB · 30 Jan 2023Schematic pdf1.71 MB - HP ProBook 4510s Inventec 6050A2297401 UMA DDR3 Schematics
Inventec schematic for the HP ProBook 4510s, board number 6050A2297401, covering the UMA integrated-graphics version with DDR3 memory.
Schematic · 6050A2297401 · 584 KB · 30 Jan 2023Schematic pdf584 KB - HP Probook 450 G3 Quanta X63 DA0X63MB6H1 REV H Schematic
Schematic for the HP ProBook 450 G3 built on the Quanta X63 project, board number DA0X63MB6H1, revision H.
Schematic · DA0X63MB6H1 · 1.58 MB · 30 Jan 2023Schematic pdf1.58 MB - HP ProBook 450 G1 Wistron S Series Shark Bay 12241 1 48 4YW05 011
HP ProBook 450 G1 schematic from a Wistron S series design for the Intel Shark Bay platform, which corresponds to Haswell-era hardware.
Schematic · 12241-1 · 2.17 MB · 30 Jan 2023Schematic pdf2.17 MB - HP CASPER NL8K DANL8KMBAF0 Rev F Schematic
Quanta schematic for the NL8K project, board number DANL8KMBAF0 at revision F, listed under HP with Casper in the name, since Casper is also a laptop brand that sells…
Schematic · DANL8KMBAF0 · 1.30 MB · 30 Jan 2023Schematic pdf1.30 MB - HP 250 G6 15 BS Series Compal CSL50 CSL52 LA E821P schematic
RAR archive with the schematic for the HP 250 G6 and 15-BS series, Compal projects CSL50 and CSL52 on the LA-E821P board.
Schematic · LA-E821P · 3.96 MB · 30 Jan 2023Schematic rar3.96 MB - HP 250 G5 15-ay001nx BDL50 LA-D702P Schematic
Schematic for the HP 250 G5, listed with the 15-ay001nx model, on the Compal BDL50 project with the LA-D702P board.
Schematic · LA-D702P · 1.56 MB · 30 Jan 2023Schematic pdf1.56 MB - HP 15-U483CL Quanta Y62P Y63P DAY62PMB8E0 Rev E Schematic
Schematic for the HP 15-U483CL, Quanta projects Y62P and Y63P, board DAY62PMB8E0 at revision E.
Schematic · DAY62PMB8E0 · 1.52 MB · 30 Jan 2023Schematic pdf1.52 MB - HP 15-J 15CRU 6050A2548201-MB-A02 2013-02-21 Schematic
Inventec schematic for the HP 15-J series, project name 15CRU, board 6050A2548201-MB-A02, with a document date of 21 February 2013.
Schematic · 6050A2548201 · 1.09 MB · 30 Jan 2023Schematic pdf1.09 MB - HP 15-J 15CRU 6050A2548201-MB-A02 2013-01-18 Schematic
Schematic in PDF for the HP 15-J notebook, project 15CRU, motherboard 6050A2548201-MB-A02 dated 2013-01-18.
Schematic · 6050A2548201 · 1.10 MB · 30 Jan 2023Schematic pdf1.10 MB - HP 15-J 15CRU 6050A2548201-MB-A01 2012-12-06 Schematic
HP 15-J motherboard schematic, PDF format, covering the 15CRU project on board 6050A2548201-MB-A01 with a drawing date of 2012-12-06.
Schematic · 6050A2548201 · 1.09 MB · 30 Jan 2023Schematic pdf1.09 MB