180 Upgrade and Maintenance Manual MX130 S2
Main memory
10.1 Basic procedure
– The system board is equipped with four memory connectors.
– The system has to be equipped with at least one memory module.
Populate memory slot 1 first.
– Supported memory modules:
DDR3-1066 PC3-8500, DDR3-1333 PC3-10600 or DDR3-1600 PC3-
12800U unbuffered single rank (SR) or dual rank (DR) UDIMM memory
modules with or without ECC
– Supported capacities: 1 GB, 2 GB or 4 GB
– Maximum amount of RAM: 16 GB
10.1.1 Memory sequence
– Populate memory slot 1 first.
– Within both channels, memory slot 1 must be populated prior to slot 2.
– If memory modules with different capacities are used:
– Install modules with higher capacities first.
– Within a channel, install modules in descending order of capacity.
– If memory modules with different speeds are used, the lowest clock rate
applies for all DIMMs.
Figure 113: Memory overview
Slot 1, Channel A
Slot 2, Channel B
Slot 3, Channel A
Slot 4, Channel B