But the CM-494V-0 had a security feature. If the CMOS checksum failed due to battery death, the board would lock the bootloader. It wouldn't post. It wouldn't beep. It was "bricked."
: For HP systems using this board, the BIOS menu is typically accessed by pressing the Esc key repeatedly during startup, followed by F10 . cm-494v-0 bios bin
The raw binary extracted from a working CM-494V-0 reveals: But the CM-494V-0 had a security feature