Global American 2807940, User Manual

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2807940 uATX Motherboard
Page 84
On the 2807940, each channel is interfaced to two 240-pin DIMM sockets in the following
order (see Figure 5-7 above):
„ Channel A : DIMM1 and DIMM2
„ Channel B : DIMM3 and DIMM4
When populating the DDR2 DIMM sockets, populate them in the following order to
optimize the memory performance:
Step 1: DIMM1 . Install the first DDR2 DIMM into the DIMM1 DDR2 DIMM socket.
Step 2: DIMM3 . Install the second DDR2 DIMM into the DIMM3 DDR2 DIMM socket.
Step 3: DIMM2 . Install the third DDR2 DIMM into the DIMM2 DDR2 DIMM socket.
Step 4: DIMM4 . Install the fourth DDR2 DIMM into the DIMM4 DDR2 DIMM socket.
Step 0:
5.4.3.3 DIMM Installation Guidelines
To install a DIMM into a DIMM socket, please follow the steps below and refer to
Figure 5-8 .
Step 1: Open the DIMM socket handles . The DIMM socket has two handles that
secure the DIMM into the socket. Before the DIMM can be inserted into the
socket, the handles must be opened. See Figure 5-8 .
Step 2: Align the DIMM with the socket . The DIMM must be oriented in such a way
that the notch in the middle of the DIMM must be aligned with the plastic bridge
in the socket. See Figure 5-8 .