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