A 107 KB PDF named for the 1BQ series, listed as a schematic but most likely a datasheet for a family of small Schottky or rectifier diodes sharing that prefix.

Small PDF filed under schematics whose name only reads 1B series, so the exact part or device it covers is not stated.

BIOS firmware for the HP 1000 notebook series, naming models 1000-1b06AU and 1000-1b08au on board 6050A2498701, revision MB-A02.

A 233 KB PDF named 1B22, catalogued as a schematic, whose short code gives no device, board number or brand.

A 305 KB PDF with the short code 1B41, indexed as a schematic; the name gives no model or board, and it may be a component datasheet in a numbered series alongside 1B51…

Listed as a schematic, the 229 KB PDF titled 1B21 carries only a short code and no model, brand or revision, so its subject must be confirmed by opening it.

Firmware image for the LEIA 15 KBL UMA board, number 17881-1B, distributed as a RAR archive and also carrying the part reference 448.0EH11.001B.

Schematic for the DV1700, a model name that matches the HP Pavilion dv1700 series, built on Quanta board CT6 at revision 1B.

Schematic for the dv1000 series drawn on the Quanta CT6 board, revision 1B, as a 989 KB PDF document.

Quanta CT6 schematic, revision 1B, for the dv1600 notebook, provided as a 989 KB PDF file.

Compal LA-2961P circuit diagram, revision 1B, supplied as a 552 KB RAR archive; the (1) in the name only marks a duplicate copy.