MSI E350IS-E45 - Manual (Page 14)

4
notch
Volt
iMPoRtant
ddR3 memory modules are not interchangeable with ddR2 and the ddR3 stan-
dard is not backwards compatible. you should always install ddR3 memory
modules in the ddR3 diMM slots.
to enable successful system boot-up, always insert the memory modules into
the diMM first.
*
*