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6400 参数 Datasheet PDF下载

6400图片预览
型号: 6400
PDF下载: 下载PDF文件 查看货源
内容描述: 高级内存缓冲器 [Advanced Memory Buffer]
分类和应用:
文件页数/大小: 250 页 / 3863 K
品牌: INTEL [ INTEL ]
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Registers  
14.5  
DDR and Miscellaneous Registers (Function 3)  
14.5.1  
Memory Registers  
14.5.1.1  
DAREFTC: DRAM Auto-Refresh Timing and Control  
Device:  
NodeID  
Function: 3  
Offset:  
Bit  
70h  
Attr  
Default  
Description  
31  
30  
29  
28  
RV  
0
0
0
0
Reserved  
RWST  
RWST  
RWST  
REFDERR: refresh buffer overflow error  
REFIERR: buffer count greater than the number of installed ranks  
ORIDEHS: override handshake; auto-refresh wins arbitration for  
command bus  
27:24  
23:16  
15  
RWST  
RWST  
RW  
0
4Eh  
0
RBUF: number of pending refreshes for all ranks combined  
TRFC: DRAM refresh period  
AREFEN: auto-refresh enable  
14:0  
RWST  
0C30h  
TREFI: DRAM refresh interval  
14.5.1.2  
DSREFTC: DRAM Self-Refresh Timing and Control  
Device:  
NodeID  
Function: 3  
Offset:  
Bit  
74h  
Attr  
Default  
Description  
23:17  
16  
RV  
0
1
Reserved  
RWST  
RWST  
RWST  
RV  
DISSREXIT: Disable DRAM Self-Refresh Exit when the link comes up  
TXSNR: DRAM Self-Refresh Exit to Non-Read Command Timing  
TRP: DRAM Precharge Timing  
15:8  
7:4  
3
56h  
Fh  
0
Reserved  
2:0  
RWST  
7h  
TCKE: DRAM Minimum CKE Pulse Width  
14.5.1.3  
MTR: Memory Technology Register  
This register provides a local definition of the organization of DIMMs. This DRAM  
configuration information is used for MemBIST and DDR calibration.  
Device:  
NodeID  
Function: 3  
Offset:  
Bit  
77h  
Attr  
Default  
Description  
7
6
RV  
0
0
Reserved  
RWST  
WIDTH: Technology – DRAM data width  
Define the data width of SDRAMs within these DIMM’s  
0 = x4 (4 bits wide)  
1 = x8 (8 bits wide)  
186  
Intel® 6400/6402 Advanced Memory Buffer Datasheet  
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