Lenovo IdeaPad Z380 User Manual page 52

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
Total Memory item shows the total amount of memory installed in your
computer.
48
: lower slot), but not in SLOT-1 (
b
: upper slot).
a