Supermicro X11QPH+ User Manual page 36

Super X11QPH+ User's Manual
•
There should be at least one DDR4 DIMM per socket.
•
If only one DIMM is populated in a channel, then populate it in the slot furthest away from CPU.
•
Always populate DIMMs with a higher electrical loading in DIMM0 followed by DIMM1.
DDR4 RDIMM
Within DDR0
IMC
DDR1
DIMM
Popula-
tion
DDR2
3DS LRDIMM or 3DS RDIMM
Within IMC
DIMM Popu-
lation
LRDIMMs
Within IMC
DIMM Popu-
lation
DIMM Population
within an IMC
(Note: Uniformly
populate with x8
DRAMs DIMMs)
DIMM Population
within an IMC
(Note: Non-equal
in rank pair of x8
DIMMs)
(DDR4 Only) Socket Level Population Requirements
DDR4 Socket Level Minimum Population Requirements
(DDR4 Only) Memory Populations with Possible Mixes
DIMM0/DIMM1 DIMM0/DIMM1
Confi g. Set A Confi g. Set B
x8, None, x8, x8 x4, None, x4, x4
None or same as None or same as
DDR0 DDR0
None or same as None or same as
DDR1 (excludes DDR1 (excludes
DIMM 1 in 5DIMM DIMM 1 in 5DIMM
confi gurations) confi gurations)
(DDR4 Only) Memory Populations with Possible Mixes
DIMM0/DIMM1 Confi g. Set A
DDR0 x4, None, x4, x4
DDR1 None or same as DDR0
DDR2 None or same as DDR1
(DDR4 Only) Memory Populations with Possible Mixes
DIMM0/DIMM1
DDR0 x4, None, x4, x4
DDR1 None or same as DDR0
DDR2 None or same as DDR1
(DDR4 Only) 2SPC Memory Confi guration with x8 DIMMs
Total # of DDR Channel
DIMMs
1 x8 DIMM Must be installed on iMC0 DDR Channel 0
2 x8 DIMMs DDR0: Populate with 1 DIMM
DDR1: Populate identically as DDR0
3 x8 DIMMs DDR0: Populate with 1 DIMM
DDR1: Populate identically as DDR0
DDR2: Populate identically as DDR1
4 x8 DIMMs DDR0: Populate with 2 DIMMs
DDR1: Populate identically as DDR0
5 x8 DIMMs DDR Channel 0, 1, 2: DIMM0 is populated with identi-
DDR Channel 0, 1: DIMM1 is populated with identical
6 x8 DIMMs Populate 2 DIMMs per DDR channel
1 pair of DDR0: Populate with 1 DIMM
DIMMs DDR1: Populate the second DIMM (for best perfor-
2 pairs of DDR0: Populate with 1 pair of non-equal rank DIMMs
DIMMs DDR1: Populate identically as DDR0
3 pairs of DDR0: Populate with 1 pair of non-equal rank DIMMs
DIMMs DDR1: Populate identically as DDR0
DDR2: Populate identically as DDR1
2 pairs+1 DDR0: Populate with 1 pair of non-equal rank DIMMs
(5DIMMs) DDR1: Populate with identical DIMMs as DDR0
DDR2: DIMM0 is populated with identical DIMM as
36
DIMM0/DIMM1 Con- Possible Mixes
fi g. Set C DIMM0/DIMM1
x8, x4, or x4, x8 Single Rank, None
Single Rank, Single Rank
None or same as
Dual Rank, Single Rank,
DDR0
Dual Rank, None
Dual Rank, Dual Rank,
None or same as
Single Rank, Single Rank
DDR1 (excludes DIMM
1 in 5DIMM confi gura-
tions)
Possible Mixes
DIMM0/DIMM1
Quad Rank, None
Quad Rank, Quad Rank
Cannot mix 3DS LRDIMM and RDIMM
Possible Mixes
DIMM0/DIMM1
Quad Rank, None
Quad Rank, Quad Rank
Note: Requirements
*Match DIMM types installed across DDR
channels within an IMC
*Always populate iMC0 fi rst
Number
of Ranks
1
>1
1
>1
1
>1
x
>1
cal DIMMs,
DIMMs
x
1
>1
mance)
1
>1
x
>1
DDR1
Virtual
Lock Step
N/A
SVLS
N/A
SVLS
N/A
SVLS
SVLS
SVLS
SVLS
N/A
SVLS
N/A
SVLS
SVLS
SVLS