Asus DSBF-D Series Manual page 45

3. While enabling "Branch 0 Rank Sparing" and "Branch 1 Rank Sparing":
- The system will auto select the largest pair ranks size in the channel 0 or
1 of the Branch 0 and channel 3 or 4 of the Branch 1, and assign as
the sparing DIMMs. The total memories size will also reduce the two
sparing DIMMs' size.
- Rank Sparing in the Branch 1 and 0 only supports 8 memory populations
as the below table:
Number of DIMMs
Branch 1 Channel 3 DIMM 31
(Enable Sparing)
Channel 2 DIMM 21
Branch 0 Channel 1 DIMM 11
(Enable Sparing)
Channel 0 DIMM 01
A S U S D S B F - D S e r i e s A S U S D S B F - D S e r i e s
A S U S D S B F - D S e r i e s A S U S D S B F - D S e r i e s A S U S D S B F - D S e r i e s
Memory slot/s to use
DIMM 30
DIMM 20
DIMM 10
DIMM 00
8
V
V
V
V
V
V
V
V
2 - 2 1 2 - 2 1
2 - 2 1 2 - 2 1 2 - 2 1