Lenovo B560 User Manual page 42

Appendix A. CRU instructions
Note: If only one DDR3 SDRAM is used on the computer you are servicing, the card must be installed in
SLOT-0 (
To make sure that the DDR3 SDRAM is installed correctly, do as follows:
1
Turn the computer on.
2
Hold F2 during startup. The BIOS setup utility screen opens. The System Memory item
shows the total amount of memory installed in your computer.
38
: lower slot), but not in SLOT-1 ( : upper slot).