Supermicro SuperServer 2049U-TR4 - Page 37

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Chapter 3: Maintenance and Component Installation
(DDR4 Only) 2SPC Memory Conguration with x8 DIMMs
Total # of
DIMMs
DDR Channel Number
of
Ranks
Virtual
Lock
Step
DIMM Population
within an IMC
(Note: Uniformly
populate with x8
DRAMs DIMMs)
1 x8 DIMM Must be installed on iMC0 DDR Channel 0
1 N/A
>1 SVLS
2 x8
DIMMs
DDR0: Populate with 1 DIMM
DDR1: Populate identically as DDR0
1 N/A
>1 SVLS
3 x8
DIMMs
DDR0: Populate with 1 DIMM
DDR1: Populate identically as DDR0
DDR2: Populate identically as DDR1
1 N/A
>1 SVLS
4 x8
DIMMs
DDR0: Populate with 2 DIMMs
DDR1: Populate identically as DDR0
x SVLS
5 x8
DIMMs
DDR Channel 0, 1, 2: DIMM0 is populated with identical DIMMs,
DDR Channel 0, 1: DIMM1 is populated with identical DIMMs
>1 SVLS
6 x8
DIMMs
Populate 2 DIMMs per DDR channel x SVLS
DIMM Population
within an IMC
(Note: Non-equal
in rank pair of x8
DIMMs)
1 pair of
DIMMs
DDR0: Populate with 1 DIMM
DDR1: Populate the second DIMM (for best performance)
1 N/A
>1 SVLS
2 pairs of
DIMMs
DDR0: Populate with 1 pair of non-equal rank DIMMs
DDR1: Populate identically as DDR0
1 N/A
>1 SVLS
3 pairs of
DIMMs
DDR0: Populate with 1 pair of non-equal rank DIMMs
DDR1: Populate identically as DDR0
DDR2: Populate identically as DDR1
x SVLS
2 pairs+1
(5DIMMs)
DDR0: Populate with 1 pair of non-equal rank DIMMs
DDR1: Populate with identical DIMMs as DDR0
DDR2: DIMM0 is populated with identical DIMM as DDR1
>1 SVLS