Fixed BIOS image for the HP 4540s, zipped to 3.63 MB, with the name pointing to a single repaired binary inside.

An 8 MB raw BIOS image whose name gives only the number 4540s, most likely pointing to an HP ProBook 4540s, though nothing else about board revision or firmware 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 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.

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 archive for the HP ProBook 4540, with the name repeated OK suggesting it was confirmed working by whoever saved it.

BIOS dump for an HP ProBook 4540, 8 MB in size, with the repeated OK suggesting it was confirmed working after flashing.

DIS to UMA conversion package for the HP ProBook 4540s, marked as working and credited to JMD MACK, the author of the method.

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.

An 8.00 MB raw BIOS dump marked for an HP 4540 notebook, presumably the ProBook line, with the name twice flagged OK, suggesting it was tested and working.