29
Chapter 2: Installation and Setup
Guidelines Regarding Mixing DIMMs
•
All DIMMs must be DDR4 or a mixture of PMem and DDR4.
•
x4 and x8 DIMMs can be mixed in the same channel.
•
Mixing of LRDIMMs and RDIMMs is not allowed in the same channel, across different
channels, and across different sockets.
•
Mixing of non-3DS and 3DS LRDIMM is not allowed in the same channel, across different
channels, and across different sockets.
•
Mixing of PMem modules and RDIMMs is supported
•
Mixing DDR4 and PMem memory operating frequencies is not validated within a socket or
across sockets. If DIMMs of different frequencies are mixed in the same channel, all DIMs
will run at the highest common frequency.
•
Always populate the DIMM with the higher electrical loading on a channel in DIMMx1
(farther from CPU) followed by DIMMx2.
Figure 2-2. Memory Slots
JTPM1
CPU1 PCI-E 4.0 X16
BA
TTER
Y
CPU1
P1-DIMMH2 P1-DIMMH1 P1-DIMME2 P1-DIMME1
P1-DIMMG2 P1-DIMMG1
P1-DIMMF2 P1-DIMMF1
CPU1
P1-DIMMA1
P1-DIMMB1 P1-DIMMB2
P1-DIMMC1
P1-DIMMA2 P1-DIMMD1 P1-DIMMD2
CPU1
P1-DIMMC2
REV:1.00A
B12DPE-6
BAR CODE
P2-DIMMC2 P2-DIMMC1 P2-DIMMD2
CPU2
P2-DIMMD1 P2-DIMMA2 P2-DIMMA1 P2-DIMMB2 P2-DIMMB1
P2-DIMME1
P2-DIMMH1
P2-DIMME2
P2-DIMMF2
P2-DIMMF1
P2-DIMMG2
P2-DIMMG1
P2-DIMMH2
CPU2
MP1
JMEZZ1
PWR1
PWR2
BT1
J33
JBT1
LEDM1
CPLD1
MAC CODE
JRK1
BIOS
PCH
LAN
Controller
BMC
BMC Flash
CPLD Flash
CPLD
Dual Boot
VROC
CPU2
JPM1
P2-DIMMF1
P2-DIMMD1
P2-DIMMF2
P2-DIMME1
P2-DIMME2
P2-DIMMH1
P2-DIMMH2
P2-DIMMG1
P2-DIMMG2
P1-DIMMD1
P1-DIMMD2
P1-DIMMC1
P1-DIMMC2
P1-DIMMB1
P1-DIMMB2
P1-DIMMA1
P1-DIMMA2
P2-DIMMD2
P2-DIMMC1
P2-DIMMC2
P2-DIMMB1
P2-DIMMB2
P2-DIMMA1
P2-DIMMA2
P1DIMMF1
P1DIMMF2
P1DIMME1
P1DIMME2
P1DIMMH1
P1DIMMH2
P1DIMMG1
P1DIMMG2