BIOS firmware archive for the HP ProBook 4540s in its i7 configuration, version F.42, with 68IRR being the HP BIOS family code for this platform.

HP ProBook 4540s system ROM in its Core i7 configuration, using BIOS family 68IRR at version F.42, provided as a 5.00 MB .rom file.

HP ProBook 4540s BIOS for the Wistron Roadrunner 1.1 design, board 12260-1 with PCB part 48.4SI08.011, UMA integrated-graphics version.

BIOS firmware archive whose name points to the HP ProBook 4540s, though no brand is confirmed in the listing and no board number, revision or chip details are given.

BIOS dump archive for the HP ProBook 4540s i7 version, with the Management Engine region cleared, intended for a Macronix MX25L6405 flash chip in SOIC-16 package, which…

BIOS dump for the HP ProBook 4540s, platform Roadrunner 1.1, Wistron board 12260-1 marked 48.4SI08.011, UMA (integrated graphics) version, for a 25Q64 flash chip.

BIOS dump for the HP ProBook 4540s, board code name Roadrunner 1.1, Wistron project number 12260-1 and PCB part 48.4SI08.011, for the UMA version with integrated…

An 8 MB raw BIOS binary labelled for the HP 4540, most likely a ProBook 4540s, with the name marking it as checked and working.

Firmware dump for an HP 4540, which by naming convention is a ProBook 4540s, stored as an 8.00 MB binary.

BIOS firmware for the HP ProBook 4540s, marked twice as OK in the name, which suggests the uploader tested the dump and found it working.