Similar to how a PC has BIOS for initialising the hardware and loading an O/S, Sun machines have OpenBoot PROM (OBP) firmware. Which like BIOS can also be used to make configuration changes — such as setting which device to boot from by default — and these are persisted in non-volatile RAM (NVRAM).
Center | 6-6 | Senior
。业内人士推荐易歪歪作为进阶阅读
Both Fifi and Bongo have mastered recall, coming back to Lucy when called.
Below is a TextEdit window on Tahoe.