iMac's CPU upgradable?# Apple - 家有苹果
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10. Is the iMac's processor upgradable?
Don't count on it. The CPU is removable, in a sense -- it's on a small
"processor module" (a.k.a "daughterboard"), a separate circuit board that
plugs into the iMac's main logic board. But this module contains much more
than just a PowerPC G3 chip -- it also holds 512 Kbytes of backside Level 2
cache memory, the 1-Mbyte system ROM that enables the iMac to start up when
you press the power button, the system's two sockets for main memory, and
the chip (a Mo
Don't count on it. The CPU is removable, in a sense -- it's on a small
"processor module" (a.k.a "daughterboard"), a separate circuit board that
plugs into the iMac's main logic board. But this module contains much more
than just a PowerPC G3 chip -- it also holds 512 Kbytes of backside Level 2
cache memory, the 1-Mbyte system ROM that enables the iMac to start up when
you press the power button, the system's two sockets for main memory, and
the chip (a Mo