Dell PowerEdge R940 EMC Installation and Service Manual - Page 123

Expansion cards and expansion card risers, Expansion card installation guidelines

Page 123 highlights

Figure 73. Installing the PEM power board Next steps 1. Holding the PEM handle, lower the PEM until it firmly seats in place. 2. Install the air shroud. 3. Follow the procedure listed in After working inside your system on page 66. Expansion cards and expansion card risers Expansion card installation guidelines Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported: Table 50. Expansion card riser configurations Riser PCIe slot on the expansion card riser Processor connection PCIe slots on riser (Height) Riser 2 (IO_RISER2) Slot 8 Slot 9 Slot 10 Processor 3 Processor 3 Processor 3 full height full height full height Riser 3 (IO_RISER3) Slot 11 Slot 12 Slot 13 Processor 4 Processor 4 Processor 4 full height full height full height PCIe slots on riser (length) 3/4 length half length half length 3/4 length half length half length Link width x16 x16 x16 x16 x16 x16 NOTE: The expansion card slots are not hot-swappable. Slot width x16 x16 x16 x16 x16 x16 Installing and removing system components 123

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Figure 73. Installing the PEM power board
Next steps
1.
Holding the PEM handle, lower the PEM until it firmly seats in place.
2.
Install the air shroud
.
3.
Follow the procedure listed in
After working inside your system
on page 66.
Expansion cards and expansion card risers
Expansion card installation guidelines
Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
Table 50. Expansion card riser configurations
Riser
PCIe slot on the
expansion card
riser
Processor
connection
PCIe slots on riser
(Height)
PCIe slots
on riser
(length)
Link width
Slot width
Riser 2
(IO_RISER2)
Slot 8
Processor 3
full height
3/4 length
x16
x16
Slot 9
Processor 3
full height
half length
x16
x16
Slot 10
Processor 3
full height
half length
x16
x16
Riser 3
(IO_RISER3)
Slot 11
Processor 4
full height
3/4 length
x16
x16
Slot 12
Processor 4
full height
half length
x16
x16
Slot 13
Processor 4
full height
half length
x16
x16
NOTE:
The expansion card slots are not hot-swappable.
Installing and removing system components
123