ECS RX480-A, Manual, Page: 21 / 86

15
Installing the Motherboard
Installing Memory Modules
This motherboard accomodates four memory modules. It can support four 184-pin 2.5V
unbuffered DIMM, DDR 400/333/266. The maximum memory capacity is 4GB. You must
install at least one module in any of the two slots. Each module can be installed with 256MB
to 1GB of memory.
DDR SDRAM memory module table
Do not remove any memory module from its antistatic packaging until you
are ready to install it on the motherboard. Handle the modules only by
their edges. Do not touch the components or metal parts. Always wear a
grounding strap when you handle the modules.
Installation Procedure
Refer to the following to install the memory modules.
1 This motherboard supports unbuffered DDR SDRAM .
2 Push the latches on each side of the DIMM slot down.
3 Align the memory module with the slot. The DIMM slots are keyed with notches
and the DIMMs are keyed with cutouts so that they can only be installed
correctly.
4 Check that the cutouts on the DIMM module edge connector match the notches
in the DIMM slot.
5 Install the DIMM module into the slot and press it firmly down until it seats
correctly. The slot latches are levered upwards and latch on to the edges of
the DIMM.
6 Install any remaining DIMM modules.
DDR 333 166MHz
DDR 400 200MHz
Memory module Memory Bus
DDR 266 133MHz