Reduce the amount of memory your computer uses, or “remove” a RAM stick in software by editing what Open Firmware sees on the logic board.
Reset Open Firmware to resolve general hardware issues. Enter Open Firmware with CMD-OPT-O-F after a restart and then type in reset-nvram then set-defaults and, finally, reset-all to restart the computer.
Useless trivia: A side effect of Open Firmware’s stack-based command structure is that it doubles as an RPN calculator. Try the following: 2 2 + .
You can access Open Firmware over telnet if you really want to.
