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Why didn't the BeBox have an L2 cache? |
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Since we were'nt emulating anything, we were very pleased with the performance of the 2 PowerPC 603e processors without L2 caches. We used the Motorola 105 "Eagle" support chip, which allows for either one processor and an L2 cache or two processors without L2 caches. So, our two-processor PowerPC BeBox had no provision for an L2 cache. Our operating system's performance, however, is certainly sufficient with PPC 603e's internal caches -- perhaps because we aren't emulating any 68k code.
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