b*s
发帖数: 82482 | 1 6. I've heard the iMac has something called "ROM-in-RAM." What does that
mean, and what good is it?
In all previous Macs, going back to the original 1984 model, critical
low-level software used by the Mac OS and Mac applications was permanently
stored in non-volatile, read-only memory on the system's logic board. The
software was called the Mac Toolbox, and the memory chips were referred to
as the Mac Toolbox ROM or just the Mac ROMs. This system had several
disadvantages: For one thing, wheneve |
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