JG82845 S L8D8 Intel, JG82845 S L8D8 Datasheet - Page 53

• Manufacturer Part Number: JG82845 S L8D8
• Manufacturer: Intel

Specifications of JG82845 S L8D8

• Lead Free Status / RoHS Status: Compliant

3.5.16
Intel
®
82845 MCH for SDR Datasheet
R
DRA—DRAM Row Attribute Registers (Device 0)
Offset:
Default:
Access:
Size:
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:
Row 0, 1 = 70h
Row 2, 3 = 71h
Row 4, 5 = 72h (Used for SDRAM configuration only)
Row 6, 7 = 73h (RAODD and RAEVEN fields must contain default value of 00h)
Rsvd
Rsvd
Rsvd
Rsvd
7
7
7
7
6
6
6
6
Row attribute for Row 1
Row attribute for Row 3
Row attribute for Row 5
Row attribute for Row 7
70–73h (DRA0–DRA3)
00h
R/W
8 bits
4
4
4
4
Rsvd
Rsvd
Rsvd
Rsvd
3
3
3
3
2
2
2
2
Row Attribute for Row 0
Row Attribute for Row 2
Row Attribute for Row 4
Row Attribute for Row 6
Register Description
0
0
0
0
53