Microsoft W840DI - Manual (Page 37)

User's Guide Memory
Chapter 3 Memory
Your notebook is equipped with a configurable memory unit. The industry standard
JEDEC PC3-8500S (DDR3-1067) S.O.DIMM memory module sockets are available for
memory upgrade to 4096MB. The table below illustrates some of the possible ways system
memory can be configured.
Total Memory Socket#1 Socket#2
512MB 0MB 512MB
512MB 512MB 0MB
1024MB 0MB 1024MB
1024MB 512MB 512MB
1024MB 1024MB 0MB
1536MB 512MB 1024MB
1536MB 1024MB 512MB
2048MB 1024MB 1024MB
3072MB 1024MB 2048MB
3072MB 2048MB 1024MB
4096MB 2048MB 2048MB
Groove for indicating the
orientation of the module
1.25” max
DDR3 S.O. DIMM Memory Module
Note:
Depend on the edition of Windows operating system your notebook applies, the
minimum memory requirement would vary. It is recommended that if you use
Windows Vista™ operating system, your system memory should be at least
1024MB.
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