Lenovo ThinkCentre M55 User Manual page 43

!
DDR2(Double Date Rate 2) DIMM(Dual Inline Memory Module)
W X
, 4.0GB
.
, .
g
v 1.8V, 240 DDR2 SDRAM .
g
v 256MB, 512MB, 1.0GB 2.0GB DIMM ( 8.0GB).
V: DDR2 SDRAM DIMM g
.
.
: ;
1. . 22 .
2. .
X :
3. . 24
;
.
25
3