RDRAM Interface: Difference between revisions
→Memory addressing
(don't imply that whatever this permits more than 8MiB of RAM to the CPU) |
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|Broadcast register write
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Notice that memory-space accesses (0x00000000 - 0x03EFFFFF) that hit addresses where there is no RDRAM chip mapped will result in a sort of "no-operation" behavior: reads will return zero, and writes will be ignored. For instance, in a N64 with 8 MiB (through expansion paks), reads at the 9 MiB are not a mirror of the reads at the first MiB: they just return zero because no chips in the RAMBUS will reply to those requests.
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