Dell Inspiron 530s (Mid 2007) - Manual (Page 124)

124
Removing and Installing Parts
Inspiron 530sb/530sd
• DIMM connectors must be populated in numerical order beginning with
connector DIMM_1, then connector DIMM_2.
If a single DIMM is installed, you must install it in connector DIMM_1.
For best performance, memory modules should be installed in pairs of matched
memory size, speed, and technology. If the memory modules are not installed in
matched pairs, the computer will operate, but with a slight reduction in
performance. (See the label on the module to determine the module’s
capacity.) For example, if you install a mixed pair of DDR2 667-MHz and
DDR2 800-MHz memory, the modules function at the slowest speed installed.
NOTICE:
If you remove your original memory modules from the computer during
a memory upgrade, keep them separate from any new modules that you may have,
even if you purchased the new modules from Dell. If possible, do not pair an original
memory module with a new memory module. Otherwise, your computer may not
start properly. You should install your original memory modules in pairs either in:
DIMM connectors 1 and 3 or DIMM connectors 2 and 4 (not applicable for
530sb/530sd).
NOTE:
Memory purchased from Dell is covered under your computer warranty.
1 Pair A: matched pair of memory
modules in connector DIMM_1
and DIMM_2
1
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