Component placement drawing for the E7s board, revision D1, the project code for the Redmi Note 5.

Lenovo archive labelled LCD D185W, 497 KB. The name does not explain what D185W refers to; it may be a monitor or display model, but this is not certain.

Archive named Lenovo LCD D155, roughly 1.19 MB, with nothing else in the name to pin down the model or contents.

Dahua DH-XVR4B08H recorder archive, 158 MB in ZIP form, tagged D1820 and 41_208, apparently the PCB code and board version.

Flash backup for the Dahua DH-XVR1A08 8-channel recorder with PCB code D1811, packed as a 15.6 MB ZIP.

RAR archive of 521 KB titled Lenovo LCD D170, with no further details in the name. D170 may be a display model code, though this cannot be confirmed from the name alone.

Lenovo display-related archive marked LCD D156, about 1.44 MB. The name gives only a brand and the D156 code, which may refer to a monitor or panel model, so the exact…

Small 854 KB rar archive named only after the Lenovo board NM-D151, an LCFC design found in the GV451 and GV551. The name does not reveal what is inside.

A 14.4 MB ZIP archive referencing board code d1811 and a stuck-on-logo fault; the name does not state the recorder model.

Dahua DH-XVR4A08 recorder archive of 14.6 MB in ZIP format, carrying the PCB code D1811 and board marking 41-209.

Archive for the Compal board LA-D101P revision 1.0, project code BIWB6-B7-E8. LA-D numbers follow Compal's scheme, but the laptop brand and the exact contents of this…

Dahua DHI-XVR4116HS-S2 recorder archive, 14.9 MB ZIP, with codes 21_738, D1722 and 80176869 identifying board version, PCB and part number.

Archive for the ECS D1F-AD motherboard, revision 1.0, approximately 871 KB. The name gives only model and revision, so open the archive to find out whether it holds a…

Service archive for the Quanta D13 motherboard, board number DA0D13MBCD1, used in the Dell XPS 13 L321X ultrabook.

Recovery archive for the Dahua DH-XVR5116HS, 14.9 MB in ZIP form, with board identifiers 41_111 and D1621 given in the name.

Dahua DH-XVR4104HS-S2 4-channel recorder archive, 14.6 MB ZIP, marked with D1720, 48_188 and 80176885, which look like PCB code, board version and part number.

Small Lenovo archive of 463 KB labelled LCD D153, a code that may identify a monitor or display model, though this is not certain.

Dahua DH-XVR5116HS-X 16-channel recorder package, a large 126 MB ZIP carrying the codes 66_148 and d1734 that appear to be board version and PCB identifiers.

Archive tied to the LCFC NM-D121 board, revision 1.0, from the Lenovo range. The name does not state its contents, so it may hold a schematic, boardview or both; inspect…

RAR package for the ECS D1F-AD motherboard, revision 1.0, about 826 KB in size. The name gives only the model and revision, with no chipset or platform details.

Archive for the Lenovo GV451 and GV551 on LCFC board NM-D151, revision 1.0, dated 2019-12-11.

Dahua DH-HCVR4108C-S3 8-channel recorder package, 14.8 MB ZIP, labelled with codes D1516, 60_043 and 80157282.

RAR archive of 166 KB for the Acer Aspire ES1-520, ES1-521 and ES1-522, motherboard B5W1E LA-D121P.

Archive for the Dahua DH-HCVR4108HS-S2 HDCVI DVR, a 13.2 MB ZIP. The bracketed tokens d1420 and 58_022 look like the main board code and a firmware or board revision…

Combined 81.5 MB ZIP referencing the Dahua DH-XVR5108HS-X with board codes 66_147 and D1722, plus tokens pointing to XVR5216AN-X, XVR5104 08H-X and XVR5808 16S models…

Archive for the Compal LA-D101P motherboard, revision 1.0, around 2.91 MB in size. The name does not identify the contents, so open it to see whether it holds a…

Compressed package for the ECS D1F-AD motherboard, revision 1.0, size 871 KB. The name carries only the model and revision, so the type of documents inside has to be…

Repair archive for the Lenovo TianYi 300-15ISK, built on the Compal LA-D101P mainboard, revision 1.0.

Archive for a Gigabyte board identified as GA-D1USA22, revision R1.1, stored as a 917 KB RAR.

Apple logic board 820-3642 revision A documentation with the related 051-9216 document number, also labelled MLB D1 in the name, where MLB stands for main logic board.