Give it an identifier or serial number for a Compaq, Dell, Fujitsu, HP, Insyde, Phoenix, Sony, or Samsung laptop, and it'll generate a backdoor passcode to get into the system settings.
A boot floppy image that can be used for booting weird or recalcitrant machines from other devices, such as CD-ROMs.
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A list of all of the interrupts in the 32-bit x86 CPU architecture. Deep magick lies beyond this link...
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How to bypass the BIOS boot passwords on a number of models of Toshiba laptop. This technique is really only applicable to older laptops, not many these days have parallel ports built in.
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A utility that cracks BIOS passwords.