System Memory; System Memory Guidelines - Dell VCG3C Assembly, Installation And Service Manual

Table 16. Cable routing - 2 x 3.5-inch cable drive configuration with SATA connection
From
HDD0 (HDD0 signal connector)
HDD1 (HDD1 signal connector)
Power connector on HDD0 and HDD1
ODD (Optical Disk Drive) connector

System memory

System memory guidelines

The PowerEdge R250 system supports DDR4 unregistered DIMMs (UDIMMs). System memory holds the instructions that are
executed by the processor.
Your system contains four memory sockets that are organized into two channels. In each channel, the first socket is marked
white and the second socket black.
Memory channels are organized as follows:
Table 17. Memory channels
Channel 0
A1 and A3
Figure 40. Memory socket location
To
SL1_PCH_SA1 (Signal connector on system board)
SL1_PCH_SA1 (Signal connector on system board)
PIB_CONNECTOR (PIB connector on system board)
HDD/ODD_PWR (HDD/ODD power connector on system
board)
Channel 1
A2 and A4
Installing and removing system components 47