參數(shù)資料
型號: RG82870P2
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 113/157頁
文件大?。?/td> 1407K
代理商: RG82870P2
Intel
82845MP/82845MZ Chipset-Mobile (MCH-M)
250687-002
Datasheet
59
R
3.7.16.
DRA[0:7] – DRAM Row Attribute Registers – Device #0
Offset:
70-73h
Default:
00h
Access:
Read/Write
Size:
8 bits
The DRAM Row Attribute Register defines the page sizes to be used when accessing different pairs of
rows. Each nibble of information in the DRA registers describes the page size of a pair of rows:
Row0, 1: 70h
Row2, 3: 71h
Row4, 5: 72h (Not Used; see note)
Row6, 7: 73h (Not Used; see note)
Note: Must contain default value of 00h
7
6
4
3
2
0
R
Row attribute for Row1
R
Row Attribute for Row0
7
4
3
2
0
R
Row attribute for Row3
R
Row Attribute for Row2
7
6
4
3
2
0
R
Row attribute for Row5
R
Row Attribute for Row4
7
6
4
3
2
0
Rsv Row attribute for Row7
Rsv Row Attribute for Row6
Bit
Description
7
Reserved
6:4
Row Attribute for odd-numbered row: This 3-bit field defines the page size of the corresponding
row.
001: 2 KB
010: 4 KB
011: 8 KB
100: 16 KB
Others: Reserved
3
Reserved
2:0
Row Attribute for even-numbered row: This 3-bit field defines the page size of the corresponding
row.
001: 2 KB
010: 4 KB
011: 8 KB
100: 16 KB
Others: Reserved
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