IBM RS/6000 7043 43P Series, User Manual, Page: 133 / 322

The memory module connectors for the Model 150 are shown in the following
figure.
Memory-Module
Connectors
1 2 3 4
The memory module connectors for the Model 240 are shown in the following
figure.
2. Remove any adapters that are blocking the memory module connectors (see
“Removing Adapters” on page 4-80).
3. Determine which memory modules you want to remove.
Memory modules must be removed in pairs. If you are replacing the memory
modules you remove, they must be replaced with the same type.
Note: If your system unit is a Model 140, slot A must contain a memory module
in order for the system unit to function. If your system unit is a Model
Chapter 4. Installing and Removing Options
4-31