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162 Chapter 4
0x
14
Verify burst length of 8 is supported by all DIMMs
0x
15
Determine the smallest tWR supported by all DIMMs
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16
Determine DIMM size parameters
0x
17
Program the correct system memory frequency
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18
Determine and set the mode of operation for the memory channels
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19
Program clock crossing registers
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20
Disable Fast Dispatch
0x
21
Program the DRAM Row Attributes and DRAM Row Boundary registers
0x
22
Program the DRAM Bank Architecture register
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23
Program the DRAM Timing & and DRAM Control registers
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24
Program ODT
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25
Perform steps required before memory init
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26
Program the receive enable reference timing control register
Program the DLL Timing Control Registers, RCOMP settings
0x
27
Enable DRAM Channel I/O Buffers
0x
28
Enable all clocks on populated rows
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29
Perform JEDEC memory initialization for all memory rows
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30
0x
31
Perform steps required after memory init
Program DRAM throttling and throttling event registers
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32
Setup DRAM control register for normal operation and enable
0x
33
Enable RCOMP
0x
34
Clear DRAM initialization bit in the SB
0x
35
Initialization Sequence Completed, program graphic clocks
0x
AF
Disable access to the XMM registers