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SuperServer 2049U-TR4 User's Manual
(DDR4 Only) 2SPC Memory Configuration with x4 DIMMs
Total
# of
DIMMs
1 x4
DIMM
2 x4
DIMMs
DIMM Population
within an IMC
3 x4
Note: Uniformly
DIMMs
populate with x4
DRAMs/DIMMs
4 x4
DIMMs
5 x4
DIMMs
6 x4
DIMMs
1 pair of
DIMMs
2 pairs of
DIMM Population
DIMMs
within an IMC
Note: Non-equal
3 pairs of
in rank pair of x4
DIMMs
DIMMs)
2 pairs+1
(5DIMMs)
(DDR4 Only) 2SPC Memory Configuration with x8/x4 DIMMs Mixed
DDR4
Total # of
RDIMM
DIMMs
DIMM
1 pair of x8, x4
Population
within an IMC
2 pairs of x8, x4
3 pairs of x8, x4
Warning: In dual-CPU configurations, memory must be installed in the DIMM slots
associated with the installed CPUs.
Note: Visit the product page on the Supermicro website for possible updates to memory
support (www.supermicro.com).
DDR Channel
Must be installed on iMC0 DDR Channel 0
DDR0: Populate with 1 DIMM
DDR1: Populate identically as DDR0
DDR0: Populate with 1 DIMM
DDR1: Populate identically as DDR0
DDR2: Populate identically as DDR1
DDR0: Populate with 2 DIMMs
DDR1: Populate identically as DDR0
DDR Channel 0, 1, 2: DIMM0 is populated with identical DIMMs,
DDR Channel 0, 1: DIMM1 is populated with identical DIMMs
Populate 2 DIMMs per DDR channel
DDR0: Populate with 1 DIMM
DDR1: Populate the second DIMM (for best performance)
DDR0: Populate with 1 pair of non-equal rank DIMMs
DDR1: Populate identically as DDR0
DDR0: Populate with 1 pair of non-equal rank DIMMs
DDR1: Populate identically as DDR0
DDR2: Populate identically as DDR1
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
DDR0: Populate with 1 DIMM
DDR1: Populate the second DIMM (for best performance)
Populate with 1 pair of DIMMs on DDR0, and identical pair on DDR1
A pair of DIMMs on DDR0, and identical pair on DDR1, and DDR2
38
DDR Channel
Number
Adaptive
of
Virtual
Ranks
Lock Step
Y, only Bank
1
VLS
>1
Y
Y, only Bank
1
VLS
>1
Y
Y, only Bank
1
VLS
>1
Y
x
Y
>1
Y
x
Y
>1
Y
>1
Y
x
Y
>1
Y
ADDC/
SDDC
Features
No
No
No
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