參數(shù)資料
型號(hào): 82815EM
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項(xiàng)-數(shù)據(jù)表參考
文件頁數(shù): 68/163頁
文件大小: 1049K
代理商: 82815EM
Intel
82815EM GMCH
R
68
Datasheet
3.6.26.
BUFF_SC2-System Memory Buffer Strength Control Register 2
(Device 0)
Address Offset:
94-95h
Default Value:
FFFFh
Access:
Read/Write
Size:
16 bits
This register programs the system memory DRAM interface CKE signal buffer strengths. See BUFF_SC
register for remainder of buffer strength controls.
15
8
Reserved (R/W)
7
6
5
4
3
2
1
0
Reserved (R/W)
SCKE5
Buffer
Strength
SCKE4
Buffer
Strength
SCKE3
Buffer
Strength
SCKE2
Buffer
Strength
SCKE1
Buffer
Strength
SCKE0
Buffer
Strength
Bit
Description
15:6
Reserved
.
Generic Read/Write bits with flops for future use.
5
SCKE[5] Buffer Strength (Row 5).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
The load on a given SCKE signal is equal to the number of SDRAM devices for that particular Row
(either 4 or 8 loads).
Loads = (64 / SDRAM Device Width for this row)
4
SCKE[4] Buffer Strength (Row 4).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
3
SCKE[3] Buffer Strength (Row 3).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
2
SCKE[2] Buffer Strength (Row 2).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
1
SCKE[1] Buffer Strength (Row 1).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
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