IBM Power System 9040-MR9 Manual page 76

Figure 63. Replacing a standby voltage regulator module
13. Replace the trusted platform module (TPM) card in location P1-C21.
a) Insert the TPM card into its slot on the system backplane. Refer to the following image.
b) Push the TPM card into place until it is fully seated.
62 Power Systems: System backplane