Specifications

A–8 System Address Space 9 March 1999 – Subject To Change
21164 Address Space
Figure A–3 21164 Address Space Configuration
LJ-05397.AI4
21164
Memory Space
Reserved
PCI Memory
Dense Space
PCI Memory
Sparse Space
PCI Windows
PCI I/O
Space
Scatter-Gather
or
Direct
Translation
Cached
Memory
PCI Memory
Space
PCI I/O
Space
21164 Programmed I/O
DMA Read/Write