Expansion card installation guidelines
Figure 33. Expansion card slot connectors
1. IO_Riser3 ( Riser 3 connector)
2. BOSS (M.2) card connector
3. IO_Riser2 ( Riser 2 connector)
4. IO_Riser1 (Riser 1 connector)
The following table describes the expansion card riser configurations:
Configurations Expansion card
risers
PCIe Slots
Controlling
processor
Height
Length
Slot width
Config0.
R1B+R2A+R3A
Rear / Front
Accessed
configurations
3
Processor 1
Low profile
Half length
x8
2
Full Height
Full length
x16
4
Full Height
Full length
x16
Config1.
R1B+R2B+R3B
Rear / Front
Accessed
configurations
3
Processor 1
Low profile
Half length
x8
1, 2
Full Height
Full length
x8+x8
4, 5
Full Height
Full length
x8+x8
Config2.
R1B+R2B+R3A
Rear / Front
Accessed
configurations
3
Processor 1
Low profile
Half length
x8
1, 2
Full Height
Full length
x8+x8
4
Full Height
Full length
x16
Installing and removing system components
37