82443GX Datasheet, PDF (98/128 Pages) Intel Corporation – Intel 440GX AGPset: 82443GX Host Bridge/Controller

Functional Description
Table 4-9. Supported Memory Configurations
DRAM Attributes
DRAM DIMM
DRAM
Addressing
DRAM Device
DRAM
Size
Type Tech Depth Width SS x64 DS x64
Rows Cols Banks
Min
(1 row)
SDRAM 16Mb
2M
8
2M
8
4M
4
4M
4
SDRAM 64Mb
4M
16
4 bank 8M
8
16M
4
SDRAM 128Mb 32M
4
4 bank 32M
4
SDRAM 256Mb² 16M
16
4 bank 32M
8
64M
4
2M
4M Asymmetric 11
9
2M
4M Asymmetric 12
8
4M
8M Asymmetric 11 10
4M
8M Asymmetric 13
8
4M
8M Asymmetric 12
8
8M
16M Asymmetric 12
9
16M 32M Asymmetric 12 10
32M 64M Asymmetric 12 11
32M 64M Asymmetric 13 10
16M 32M Asymmetric 13
9
32M 64M Asymmetric 13 10
64M 128M Asymmetric 13 11
2 16 MB
2 16 MB
2 32 MB
2 32 MB
4 32 MB
4 64 MB
4 128 MB
4 256 MB
4 256 MB
4 128MB
4 256MB
4 512MB
Table 4-10. MA Muxing vs. DRAM Address Split
Split
Row/
Col
SDRAM
A12
A11
BA1
BA0
A10/
AP
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Option 1 12x9 Row
12 23 14 13 22 21 20 19 18 17 16 15
16 MB
Col
12 AP
11 10 9 8 7 6 5 4 3
13x8 Row
12 11 23 14 13 22 21 20 19 18 17 16 15
Col
12 11 AP
10 9 8 7 6 5 4 3
Option 2 12x10 Row
13 23 14 24 22 21 20 19 18 17 16 15
32 MB
Col
13 AP 12 11 10 9 8 7 6 5 4 3
14x8 Row
13 12 11 23 14 24 22 21 20 19 18 17 16 15
Col
12 11 AP
10 9 8 7 6 5 4 3
Option 3 14x9 Row
25 13 12 23 14 24 22 21 20 19 18 17 16 15
64 MB
Col
13 12 AP
11 10 9 8 7 6 5 4 3
Option 4 14x10 Row
25 14 13 23 26 24 22 21 20 19 18 17 16 15
128 MB
Col
14 13 AP 12 11 10 9 8 7 6 5 4 3
15X9² Row
26
25 13 12 23 14 24 22 21 20 19 18 17 16 15
Col
13 12 AP
11 10 9 8 7 6 5 4 3
Option 5 15X10² Row
27
25 14 13 23 26 24 22 21 20 19 18 17 16 15
256 MB
Col
14X11¹ Row
14 13 AP 12 11 10 9 8 7 6 5 4 3
25 14 13 23 26 24 22 21 20 19 18 17 16 15
Col
27 14 13 AP 12 11 10 9 8 7 6 5 4 3
Option 6 15X11^1,2 Row
28
25 14 13 23 26 24 22 21 20 19 18 17 16 15
512 MB
Col
27 14 13 AP 12 11 10 9 8 7 6 5 4 3
4-18
82443GX Host Bridge Datasheet