IBM Power System Series Manual page 166

Figure 142: Replacing the TPM card
33. Replace the memory module riser cards in locations P1-C26, P1-C27, P1-C28, P1-C29, P1-C32, P1-
C33, P1-C34, and P1-C35.
a) Ensure the release latches (A) are fully open to a 90 degree angle as shown in the following figure.
b) Align the memory module riser card with the connector.
c) Press the memory module riser card firmly into the connector.
d) Rotate the release latches into the closed position, and press the release latches down to ensure
that the memory module riser card is fully seated into the connector.
e) Repeat steps "33.a" on page 162 through "33.d" on page 162 for the remaining memory module
riser cards.
162 Power Systems: Temple's Zeppelin procedures for install, remove, replace