IBM R31 - Manual (Page 171)

1030 Memory cover and Memory card
v “1010 Battery assembly” on page 163
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Note: The screw does not separate from the memory
cover.
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To install the memory card:
With the notched end of the memory card toward the right
side of the socket, insert the memory card, at an angle of
approximately 20°, into the socket; then press it firmly.
MT 2656, 2657, 2676 165