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ASUS DSEB-DG Series 2-19
Memory Sparing :
At conguration time, a DIMM rank is set aside to replace a defective DIMM rank.
When the error rate for a failing DIMM rank reaches a pre-determined threshold,
the memory sparing function will issue an interrupt and initiate a spare copy. At the
completion of the copy, the failing DIMM rank is disabled and the “spared” DIMM
rank will be used in its place. Refer to
4.4.2 Chipset Conguration
and congure
the options of
Branch Specic Sparing
to enable the memory sparing functions.
And the default BIOS setting is disabled.
• Each branch contains its own sparing engine and can be enabled or
disabled separately.
• This motherboard does not support rank sparing across branches.
• This motherboard does not support rank sparing when in mirror mode.
• The DIMM rank with the largest size will be assigned as spare rank. Data
can only be copied from a smaller sized rank to a larger sized one.
• A DIMM can contain only one or two ranks. To support sparing function, a
DIMM channel should contain at least two ranks.
• When sparing function is enabled, the usable memory size will reduce then
size of the spare ranks.
Branch0
Channel 0 Channel 1
DIMM_00
(1024MB*2 Ranks)
DIMM_10
(1024MB*2 Ranks)
Rank 0
(1024 MB)
Rank 1
(1024 MB)
Rank 0
(1024 MB)
Rank 1
(1024 MB)
Sparing
Memory space
1024 MB 1024 MB
Total Memory
2048 MB
The following tables show memory congurrations with Memory Sparing function in
Branch 0.
One DIMM per channel (two ranks)