IBM 1800409-001A - Manual (Page 280)

6. Remove the new SIMM from the anti-static bag.
7. Hold the new SIMM at a 45° angle, with the notch on the
right-hand side (fig. 8.15). Insert the bottom edge of the new
SIMM into an open connector.
Fig. 8.15 Insert the SIMM into the Connector
Chapter 8
8 - 2 4 P r i n t e r O p t i o n s