grub4dos
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Request - turn off NumLock
command or utility to turn on/off NumLock
Not sure if this is possible, but it would be nice to be able to turn off or turn on NumLock so that PageUp/PageDown/Home/End keys work on a laptop.
BIOS or UEFI? It's possible on UEFI, but I'm not sure about BIOS. https://github.com/tianocore/edk2/blob/0ecdcb6142037dd1cdd08660a2349960bcf0270a/MdePkg/Include/Protocol/SimpleTextInEx.h#L116
yes, UEFI will be great. I didn't think it was possible via legacy BIOS anyway without direct port I/O.