Memory Installation - Supermicro Supero X8DTU-F User Manual

X8DTU/X8DTU-F User's Manual
2-5

Memory Installation

Note: Check the Supermicro web site for recommended memory modules.
Exercise extreme care when installing or removing DIMM
modules to prevent any possible damage. Also note that the
DIMM Installation
1. Insert the desired number of DIMMs into the memory slots, starting with
P1-DIMM 1A. For best memory performance, please install memory modules
of the same type and same speed on the memory slots as indicated on the
tables below. (See the Memory Installation Table Below.)
2. Insert each DIMM module vertically into its slot. Pay attention to the notch
along the bottom of the module to prevent inserting the DIMM module incor-
rectly.
3. Gently press down on the DIMM module until it snaps into place in the slot.
Repeat for all modules.
-For a motherboard with One CPU (CPU1) installed
3 DIMMs P1 DIMM1A
6 DIMMs P1 DIMM1A
-For a motherboard with One CPU (CPU2) installed
3 DIMMs P2 DIMM1A
6 DIMMs P2 DIMM1A
Branch 0
6 DIMMs 1A
12 1A 1B
DIMMs
memory is interleaved to improve performance.
Memory Population for Optimal Performance
Branch 0
P1 DIMM2A
P1 DIMM1B P1 DIMM2A
Memory Population for Optimal Performance
Branch 0
P2 DIMM2A
P2 DIMM1B P2 DIMM2A
Memory Population for Optimal Performance
-For a motherboard with Two CPUs installed
CPU1
Branch 1
2A 3A
2A 2B 3A
CAUTION
Branch 1
P1 DIMM2B
Branch 1
P2 DIMM2B
Branch 3 Branch 0
1A
3B 1A 1B
2-10
Branch 2
P1 DIMM3A
P1 DIMM3A P1 DIMM3B
Branch 2
P2 DIMM3A
P2 DIMM3A P2 DIMM3B
CPU2
Branch 1 Branch 3
2A 3A
2A 2B 3A 3B