Ibm Rt Pc 4Mb Memory Expansion Option - IBM RT PC Options Installation

IBM RT PC 4MB Memory Expansion Option

The IBM RT PC 4MB Memory Expansion Option is designed for use
only with the IBM RT PC Processor and Memory Management Card.
Warning: You must install this memory option in system board
slot C or D.
Installing: When the IBM RT PC 4MB Memory Expansion Option
is used alone, it should be installed in slot C.
When the IBM RT PC 4MB Memory Expansion Option is used with
a second memory option, the smaller capacity memory option should
be installed in slot D. Both memory options must be designed for
use with the IBM RT PC Processor and Memory Management Card.
See the system unit diagram for the correct adapter slot.
Section 5. Memory Options 5-9