Installing DDR Memory RAM
DRAM installation
is usually pretty straight forward as there usually is only one way a DRAM
can be correctly inserted into the motherboard.
DRAMs must be firmly seated into their connectors to function correctly.
Whatever you do, don't try to force Drams into connectors. If the DIMM doesn't
seem to fit, turn it around as you could be inserting it backwards.
Tip: Review your motherboard manual carefully to determine the correct way to face your DDR SDRAMs on the motherboard.

Crucial PC2100 DDR 184-pin DIMM module
DDR and
Bus Speed. Currently there are two speeds of DDR RAM; 100 and 133 MHz. As
it is double data rate, this translates to 200 and 266 MHz speed.
PC1600 DDR is the 200 MHz DDR RAM and PC2100 is the 266 MHz DDR RAM.
The RAM you should buy depends on the bus speed you plan to use. If you
will be using the the 266 MHz Athlon bus you need PC2100 (266 MHz) DDR.
If you will just be using 200 MHz Athlons and have no intention of upgrading
to a 266 MHz Athlon (or overclocking to 266 MHz) then you could save a couple
of bucks on PC1600 (200 MHz) DDR.
Using PC2100 DDR with a 200 MHz bus will result in no increase in speed
over PC1600 DDR.
DDR memory can only be used in systems designed specifically for DDR memory
What is DDR memory?
Why DDR Memory? What DDR Memory to buy?RAM Influence on Computer Performance
Memory Chipset Specifics (Intel, Via Apollo, SIS, AMD Chipsets)
How
Computer Memory Works?
How
much RAM is enough?
System
RAM Upgrade Issues
Websites
that sell Memory Upgrades

