Lenovo B5400 Notebook - Manual (Page 43)

Appendix A. CRU instructions
37
To make sure that the DDR3 SDRAM module is installed correctly, do as
follows:
1 Turn the computer on.
2 Hold F1 during startup. The BIOS setup utility screen opens.
The Installed memory item shows the total amount of memory installed
in your computer.
Note: If only one DDR3 SDRAM module is installed in the computer you are servicing, the
card must be installed in SLOT-0 ( : lower slot), and not in SLOT-1 ( : upper slot).
b
a