Supermicro X11DDW-L/NT User Manual page 36

X11DDW-L/NT User's Manual
Purley DDR4 Only 2SPC Memory Configuration with x4 DIMMs
Total # of
DIMMs
DIMM Popula- 1 x4 DIMM
tion within an
IMC
Note: Uniformly
2 x4 DIMMs
populate with x4
DRAMs/DIMMs
3 x4 DIMMs
4 x4 DIMMs
5 x4 DIMMs
6 x4 DIMMs
DIMM Popula-
1 pair of
tion within an DIMMs
IMC
Note: Non-
2 pairs of
equal in rank
DIMMs
pair of x4
DIMMs)
3 pairs of
DIMMs
2 pairs+1
(5DIMMs)
Purley DDR4 Only 2SPC Memory Configuration with x8/x4 DIMMs Mixed
DDR4 RDIMM Total # of DIMMs
DIMM Popula- 1 pair of x8, x4
tion within an
IMC
2 pairs of x8, x4
3 pairs of x8, x4
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 identi-
cal 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 perfor-
mance)
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
DDR Channel
DDR0: Populate with 1 DIMM
DDR1: Populate the second DIMM (for best perfor-
mance)
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
36
Number Adaptive Virtual
of Ranks Lock Step
1 Y, only Bank VLS
>1 Y
1 Y, only Bank VLS
>1 Y
1 Y, only Bank VLS
>1 Y
x Y
>1 Y
x Y
>1 Y
>1 Y
x Y
>1 Y
ADDC/SDDC
Features
No
No
No