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8
GR585 F1 specifications
Quad processor configuration guide
CPU1 CPU2 CPU3 CPU4
# 4
B
4
A
3
B
3
A
2
B
2
A
1
B
1
A
4
B
4
A
3
B
3
A
2
B
2
A
1
B
1
A
4
B
4
A
3
B
3
A
2
B
2
A
1
B
1
A
4
B
4
A
3
B
3
A
2
B
2
A
1
B
1
A
8 x x x x x x x x
16 x x x x x x x x x x x x x x x x
32 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
On-Line Spare
On-line spare is a RAS mechanism that allows the system to reserve one rank of one logical DIMM to be
used as a spare rank. The spare rank must be greater than or equal to the size of all other ranks in the
system. The system can switch to the spare rank when system software determines that one of the ranks in
the system is no longer functioning properly and needs to be replaced.
Memory Identification
Generally, there are some memory information printed on the label of DIMM, but different vendor may have
different format. For example:
4GB 2Rx4 PC3-10600R xx xx xxx
1. Density
1GB, 2GB, 4GB, 8GB, 16GB
2. Rank
1R = Single Rank
2R = Dual Rank
4R = Quad Rank
Note: if any quad rank DIMM is used, maximum only 2 DIMM per channel can be supported
3. Bit Organization
This platform supports x4 and x8
Note: It’s not recommend to mix DIMM with different bit organization in one system
4. Speed
PC3 – 6400 => DDR3- 800
PC3 – 8500 => DDR3- 1066
PC3 – 10600 => DDR3- 1333