Ddr2 module population order – Acer Altos R720 Series User Manual
Page 88
3 System upgrade
78
DDR2 module population order
To install DIMMs
Caution! Use extreme care when installing a DIMM. Applying too
much pressure can damage the connector. DIMMs are keyed and
can be inserted in only one way.
Note: The number labels next to the DIMM slots correspond to
proper installation sequence.
1
Observe the ESD precautions and pre-installation instructions
described on page 35.
2
Remove the CPU air duct. Perform the instructions described in “To
remove the CPU air duct” section on page 42.
3
Locate the DIMM slots on the mainboard.
4
Open the clips on the DIMM slot(s) (A).
5
Align (B) then insert the DIMM into the socket (C).
Branch 0
Branch 1
Channel A
Channel B
Channel C
Channel D
DIMM A1
DIMM A2
DIMM B1
DIMM B2
DIMM C1
DIMM C2
DIMM D1
DIMM D2
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
512 MB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB