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845GL Folha de dados(PDF) 61 Page - Intel Corporation

Nome de Peças 845GL
Descrição Electrónicos  Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)
PDF  193 Pages
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Fabricante Electrônico  INTEL [Intel Corporation]
Página de início  http://www.intel.com
Logo INTEL - Intel Corporation

845GL Folha de dados(HTML) 61 Page - Intel Corporation

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Intel® 82845G/82845GL/82845GV GMCH Datasheet
61
Register Description
3.5.1.17
DRA
—DRAM Row Attribute Register (Device 0)
Address Offset:
70–71h (72–77h Reserved)
Default Value:
00h
Access:
R/W
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
76
432
0
R
Row Attribute for Row 1
R
Row Attribute for Row 0
76
432
0
R
Row Attribute for Row 3
R
Row Attribute for Row 2
Bit
Description
7
Reserved.
6:4
Row Attribute for Odd-numbered Row.
This field defines the page size of the corresponding row.
000 = 2 KB
001 = 4 KB
010 = 8 KB
011 = 16 KB
Others = Reserved
3
Reserved.
2:0
Row Attribute for Even-numbered Row.
This field defines the page size of the corresponding row.
000 = 2 KB
001 = 4 KB
010 = 8 KB
011 = 16 KB
Others = Reserved



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