Mobile Intel® 945 Express Chipset Family

Functional Description
Table 31. DRAM Device Configurations –Dual-channel Symmetric Mode with Enhanced
Addressing Swap (Sheet 1 of 2)
Technology (Mb) 256 256 512 512 1024 1024
Row Bits 13 13 13 14 13 14
Column Bits 9 10 10 10 10 10
Bank Bits 2 2 2 2 3 3
Width (b) 16 8 16 8 16 8
Rows 8192 8192 8192 16384 8192 16384
Columns 512 1024 1024 1024 1024 1024
Banks 4 4 4 4 8 8
Page Size (KB) 4 8 8 8 8 8
Devices per Rank 4 8 4 8 4 8
Rank Size (MB) 128 256 256 512 512 1024
Depth (M) 16 32 32 64 64 128
Addr Bits [n:0] 26 27 27 28 28 29
31 - - - - - r 3
30 - - - r 3 r 3 r 13
29 - r 3 r 3 r 13 r 11 r 11
28 R 3 R 12 r 12 r 12 r 12 r 12
27 r 10 R 10 r 10 r 10 r 10 r 10
26 R 9 r 9 r 9 r 9 r 9 r 9
25 R 8 r 8 r 8 r 8 r 8 r 8
24 R 7 r 7 r 7 r 7 r 7 r 7
23 R 6 r 6 r 6 r 6 r 6 r 6
22 R 5 r 5 r 5 r 5 b 2 b 2
21 R 4 r 4 r 4 r 4 r 4 r 4
20 S 0 s 0 s 0 s 0 s 0 s 0
19 B 1 b 1 b 1 b 1 b 1 b 1
18 R 1 r 1 r 1 r 1 r 1 r 1
17 R 0 r 0 r 0 r 0 r 0 r 0
16 r 11 R 11 r 11 r 11 r 5 r 5
Datasheet 349