AMD Geode LX 800@0.9W - Manual (Page 227)

AMD Geode™ LX Processors Data Book 227
GeodeLink™ Memory Controller Register Descriptions 33234H
6.2.2.9 Refresh and SDRAM Program (MC_CF07_DATA)
MSR Address 20000018h
Type R/W
Reset Value 10071007_00000040h
MC_CF07_DATA Register Map
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
D
1_MB
RSVD
D1_CB RS
V
D D1_PSZ D0_SZ RSVD
D
0_MB
RSVD
D0_CB RS
V
D D0_PSZ
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD
MSR
_
BA
RST_
DLL
EMR_QFC EMR_DR
V
EMR_D
L
L
REF_INT
REF_STAG
REF
_
TST
RS
V
D
SOFT_RST
PR
O
G
_DR
A
M
MC_CF07_DATA Bit Descriptions
Bit Name Description
63:60 D1_SZ DIMM1 Size.
0000: Reserved 0100: 64 MB 1000: 1 GB
0001: 8 MB (Default) 0101: 128 MB 1001-1111: Reserved
0010: 16 MB 0110: 256 MB
0011: 32 MB 0111: 512 MB
59:57 RSVD Reserved.
56 D1_MB DIMM1 Module Banks. Number of module banks for DIMM1.
0: 1 Module bank. (Default)
1: 2 Module banks.
55:53 RSVD Reserved.
52 D1_CB DIMM1 Component Banks. Number of component banks per module bank for DIMM1.
0: 2 Component banks. (Default)
1: 4 Component banks.
51 RSVD Reserved.
50:48 D1_PSZ DIMM1 Page Size.
000: 1 KB 100: 16 KB
001: 2 KB 101: 32 KB
010: 4 KB 110: Reserved
011: 8 KB 111: DIMM 1 Not Installed (Default)
47:44 D0_SZ DIMM0 Size.
0000: Reserved 0100: 64 MB 1000: 1 GB
0001: 8 MB (Default) 0101: 128 MB 1001-1111: Reserved
0010: 16 MB 0110: 256 MB
0011: 32 MB 0111: 512 MB
43:41 RSVD Reserved.
40 D0_MB DIMM0 Module Banks. Number of module banks for DIMM0.
0: 1 Module bank. (Default)
1: 2 Module banks.
39:37 RSVD Reserved.