Rockwell Automation 6181X-12TPXPDC Industrial Integrated Computers for Hazardous Locations - Manual (Page 37)

Rockwell Automation Publication 6181X-UM001B-EN-P - May 2011 37
Component Replacement Chapter 4
Memory Module The computers have two dual-channel DDR2 DIMM slots that support up to
4 GB maximum system memory.
Upgrade the System Memory
Follow these steps to upgrade the system memory.
1. Disconnect power from the computer.
2. Remove the rear cover.
3. If you want to install an additional module instead of replacing the default
one, proceed to step 8 .
TIP Microsoft Windows operating system limits the maximum usable
capacity to approximately 3 GB.
IMPORTANT Use only catalog number 6189X-4GDDR2 in the 6181X industrial
computers for hazardous locations. Other memory modules are not
acceptable for use in hazardous locations.
When installing two memory modules, make sure to use the same brand
and model number. Installing two modules of different type could cause
the system to become unstable.