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DIMM
DIMM
DIMM
1B
1A
2B
1 GB
1 GB
1 GB
2 GB
2 GB
2 GB
512 MB
512 MB
512 MB
1 GB
1 GB
1 GB
2 GB
2 GB
2 GB
Memory Mirroring
The Memory Mirroring feature designates a channel, two DDR2 DIMM
slots, as spare memory and all system memory are sent to both mirrors
by the Intel E7520 MCH chipset. When an uncorrectable error occurs
from the Primary mirror, the chipset will automatically replace the data
in the defective slot with data from the Secondary mirror.
Below table list the suggested memory population for memory
mirroring:
DIMM
DIMM
DIMM
1B
1A
2B
512 MB
512 MB
512 MB
(Mirror)
1 GB
1 GB
1 GB
(Mirror)
2 GB
2 GB
2 GB
(Mirror)
512 MB
512 MB
512 MB
(Mirror)
1 GB
1 GB
1 GB
(Mirror)
2 GB
2 GB
2 GB
(Mirror)
Removing a DIMM
Before you can install a new DIMM in a socket, first remove any
previously installed DIMM from that socket.
DIMM
DIMM
DIMM
2A
3B
3A
1 GB
1 GB
1 GB
(Spare)
(Spare)
2 GB
2 GB
2 GB
(Spare)
(Spare)
512 MB
512 MB
512 MB
1 GB
1 GB
1 GB
2 GB
2 GB
2 GB
DIMM
DIMM
DIMM
2A
3B
3A
512 MB
(Mirror)
1 GB
(Mirror)
2 GB
(Mirror)
512 MB
512 MB
512 MB
(Mirror)
1 GB
1 GB
1 GB
(Mirror)
2 GB
2 GB
2 GB
(Mirror)
Total Memory
DIMM
DIMM
Physical
4B
4A
Memory
6 GB
12 GB
512 MB
512 MB
4 GB
(Spare)
(Spare)
1 GB
1 GB
8 GB
(Spare)
(Spare)
2 GB
2 GB
16 GB
(Spare)
(Spare)
Total Memory
DIMM
DIMM
Physical
4B
4A
Memory
2 GB
4 GB
8 GB
512 MB
512 MB
4 GB
(Mirror)
(Mirror)
1 GB
1 GB
8 GB
(Mirror)
(Mirror)
2 GB
2 GB
16 GB
(Mirror)
(Mirror)
63
Detected
by OS
4 GB
8 GB
3 GB
6 GB
12 GB
Detected
by OS
1 GB
2 GB
4 GB
2 GB
4 GB
8 GB
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