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6402 Datasheet(PDF) 243 Page - Intel Corporation

Part # 6402
Description  Advanced Memory Buffer
PDF  250 Pages
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Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation

6402 Datasheet(HTML) 243 Page - Intel Corporation

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Intel® 6400/6402 Advanced Memory Buffer Datasheet
243
SPD Bits
15
SPD Bits
15.1
Access Mechanisms
The tables in this section contain the Intel recomendations for the SPD bits that will be
pulled from the DIMM’s non-volital RAM and programmed into the Intel 6400/6402
Advanced Memory Buffer (AMB) component. This is done by the BIOS when required.
There is a table for each of the raw cards that the DIMM can be based on.
15.1.1
Raw Cards A, B, and C
Table 15-1. Raw Cards A, B, and C (Sheet 1 of 2)
C0 Stepping
D1 Stepping
Byte 533MHz 667MHz 533MHz 667MHz
Description
81
0x02
0x02
0x02
0x02
FBD channel Protocols Supported
82
0x00
0x00
0x00
0x00
83
0x10
0x10
0x10
0x10
B2B Access Turnaround Bubble (assumes at tCK)
84
0x56
0x56
0x56
0x56
CMD2DATA (800)
85
0x40
0x40
0x40
0x40
CMD2DATA (667)
86
0x36
0x36
0x36
0x36
CMD2DATA (533)
87
0x30
0x30
0x30
0x30
TR AMB (free air JEDEC)
88
0x54
0x67
0x52
0x60
AMB DT Idle_0
89
0x6E
0x7F
0x66
0x7A
AMB DT Idle_1
90
0x60
0x6E
0x60
0x6E
AMB DT Idle_2
91
0x9A
0xAA
0x84
0xA1
AMB DT Active_1
92
0x78
0x86
0x6A
0x7F
AMB DT Active_2
93
0x00
0x00
0x00
0x00
AMB DT L0s
94
0x00
0x00
0x00
0x00
reserved (TR DRAM)
95
0x00
0x00
0x00
0x00
reserved (TR AMB)
96
0x00
0x00
0x00
0x00
reserved (TR DRAM2AMB)
97
0x00
0x00
0x00
0x00
reserved (TR AMB2DRAM)
98
0x00
0x00
0x00
0x00
Tjmax
99
See Category-Byte Table for values
100
0x00
0x00
0x00
0x00
Reserved
101
0x80
0x80
0x80
0x80
AMB Personality Bytes PRE-INIT
102
0x20
0x20
0x20
0x20
103
0x00
0x00
0x00
0x00
104
0x44
0x44
0x44
0x44
105
0x00
0x00
0x04
0x04
106
0x80
0x80
0x80
0x80



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