AMD Geode LX 600@0.7W Data Book page 227

GeodeLink™ Memory Controller Register Descriptions
6.2.2.9 Refresh and SDRAM Program (MC_CF07_DATA)
MSR Address 20000018h
Type R/W
Reset Value 10071007_00000040h
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
D1_SZ RSVD
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
RSVD
Bit Name
63:60 D1_SZ
59:57 RSVD
56 D1_MB
55:53 RSVD
52 D1_CB
51 RSVD
50:48 D1_PSZ
47:44 D0_SZ
43:41 RSVD
40 D0_MB
39:37 RSVD
AMD Geode™ LX Processors Data Book
MC_CF07_DATA Register Map
RSVD D1_PSZ
REF_INT
MC_CF07_DATA Bit Descriptions
Description
DIMM1 Size.
0000: Reserved
0001: 8 MB (Default)
0010: 16 MB
0011: 32 MB
Reserved.
DIMM1 Module Banks. Number of module banks for DIMM1.
0: 1 Module bank. (Default)
1: 2 Module banks.
Reserved.
DIMM1 Component Banks. Number of component banks per module bank for DIMM1.
0: 2 Component banks. (Default)
1: 4 Component banks.
Reserved.
DIMM1 Page Size.
000: 1 KB
001: 2 KB
010: 4 KB
011: 8 KB
DIMM0 Size.
0000: Reserved
0001: 8 MB (Default)
0010: 16 MB
0011: 32 MB
Reserved.
DIMM0 Module Banks. Number of module banks for DIMM0.
0: 1 Module bank. (Default)
1: 2 Module banks.
Reserved.
33234H
D0_SZ RSVD
9 8
0100: 64 MB 1000: 1 GB
0101: 128 MB 1001-1111: Reserved
0110: 256 MB
0111: 512 MB
100: 16 KB
101: 32 KB
110: Reserved
111: DIMM 1 Not Installed (Default)
0100: 64 MB 1000: 1 GB
0101: 128 MB 1001-1111: Reserved
0110: 256 MB
0111: 512 MB
RSVD D0_PSZ
7 6 5 4 3 2 1
REF_STAG
227
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