Table 28. Expansion card riser configurations (continued)
Configuratio
ns
Expansion
card risers
PCIe Slots
Controlling
processor
Height
Length
Slot width
Power
4
Processor 2
Low profile
Half length
x16
75 W
Config1.
R1B
3
Processor 1
and 2
Low profile
Half length
x16
75 W
4
Processor 1
Low profile
Half length
x8
75 W
Config2.
R1B
3
Processor 1
and 2
Low profile
Half length
x16
75 W
4
Processor 1
Low profile
Half length
x8
75 W
Config3.
R1A
3
Processor 1
Low profile
Half length
x16
75 W
4
Processor 2
Low profile
Half length
x16
75 W
Config4.
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Config5.
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NOTE:
Only one cable riser can be installed at a time in any given configuration.
NOTE:
R1B is a SNAPI riser.
NOTE:
Config 4 and 5 are no riser configuration.
Figure 78. Riser 1A
1. Slot 3
2. Slot 4
82
Installing and removing system components