Asus G53SX-A1 Manual page 68

This Notebook PC may come with four DIMM slots for your future
upgrade. Refer to the following memory population table for a
correct memory installation sequence. Note that the DIMM slot 1
and 4 are located under the keyboard and slot 2 and 3 are at the
bottom side.
1 DIMM*
2 DIMMs
3 DIMMs
4 DIMMs
*The DIMM slot 1 is hidden and always pre-installed with a
memory in the factory.
68
DIMM Slot 1 DIMM Slot 2 DIMM Slot 3 DIMM Slot 4
4
1
3
2
Notebook PC User Manual