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Figure 1–5 System Address Map
Main Memory — 8GB
39
0
PCI Sparse Memory Space — 512MB Region 1
39
1
PCI Sparse Memory Space — 128MB Region 2
39
1
PCI Sparse Memory Space — 64MB Region 3
39
1
PCI I/O Sparse Space — 32MB Region A
39
1
PCI I/O Sparse Space — 32MB Region B
39
1
PCI Memory Dense Space — 4GB
39
1
PCI Configuration Space
39
1
38
35
34 33
0
0
0
0
0
38
35
34 33
0
X
0
0
0
38
35
34 33 32
31
0
X
0
0
1
0 0
38
35
34 33 32
31
30
0
X
0
0
1
0
1 0
38
35
34 33 32
31
30
29
0
X
0
0
1
0
1
1
0
38
35
34 33 32
31
30
29
0
X
0
0
1
0
1
1 1
38
35
34 33 32
31
30
29
0
X
0
0
1
1
0
38
35
34 33 32
31
28 27
CSR
0
X
0
0
1
1 1
Space
21164 Address Space
Memory Address
PCI Memory Address <28:2>
PCI Memory Address <26:2>
PCI Memory Address <25:2>
PCI I/O Address <24:2>
PCI I/O Address <24:2>
PCI Memory Address <31:2>
Address
System Address Space
4
3
0
7
6
3
2
0
0
0 0
Size
7
6
3
2 1 0
Size 0
0 0
7
6
3
2 1 0
Size
0
0
0
7
6
3
2 1 0
Size
0
0
0
7
6
3
2 1 0
Size
0
0
0
2 1 0
0
0
7
6
3
2 1 0
Size
0
0
0
LJ-05398.AI4
A–11
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