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NOTE:
If applicable, open the PCIe card holder latch on the air shroud to install the full length card.
3. Follow the procedure listed in
Expansion cards and expansion card risers
Expansion card installation guidelines
NOTE:
A System Event Log (SEL) event is logged if an expansion card riser is not supported or missing. It does not
prevent your system from turning on. However, if a F1/F2 pause occurs and an error message is displayed.
The PowerEdge R740xd system supports up to eight PCI express (PCIe) generation 3 expansion cards, that can be installed on the
system board using expansion card risers. The following table provides detailed information about the expansion card riser specifications:
Table 55. Expansion card riser specifications
Riser
Slot
configuration
description
and supported
risers
Riser
No PCIe slots
configuration 0
(only rear
with or without
storage)
rear storage (No
riser)
Riser
configuration 1
Four x8 slots
with or without
and rear storage
rear storage (1B
+2B)
Riser
configuration 2
Three x8 and
with or without
one x16 slots
rear storage (1B
and rear storage
+2C)
Riser
Two x8 and
configuration 3
three x16 slots
(1A+2A)
Riser
Three x8 and
configuration 4
four x16 slots
(1A+2A+3A)
After working inside your
system.
PCIe slots on
Processor
riser 1 (Height
connectio
and length)
N/A
N/A
Slot 1: x8 full-
Processor 1
height, full length
Slot 2: x8 full-
Processor 1
height, full length
Slot 3: x8 full-
Processor 1
height, half
length
Slot 1: x8 full-
Processor 1
height, full length
Slot 2: x8 full-
Processor 1
height, full length
Slot 3: x8 full-
Processor 1
height, half
length
Slot 1: x16 full-
Processor 1 Slot 4: x16 full-
height, full length
N/A
N/A
Slot 3: x16 full-
Processor 1 Slot 6: x8 low
height, half
length
Slot 1: x16 full-
Processor 1 Slot 4: x16 full-
height, full length
N/A
N/A
Slot 3: x16 full-
Processor 1 Slot 6: x8 low
height, half
length
PCIe slots on
riser 2 (Height
n
and length)
N/A
Slot 4: x8 low
profile, half length
Slot 4: x16 low
profile, half length
height, full length
Slot 5: x8 full-
height, full length
profile, half length
height, full length
Slot 5: x8 full-
height, full length
profile, half length
Installing and removing system components
Processor
PCIe slots on
connectio
riser 3 (Height
n
and length)
N/A
N/A
Processor 1 N/A
Processor 2 N/A
Processor 2
Processor 2
N/A
Processor 1
Processor 2 Slot 7: x8 full-
height, full length
Processor 2 Slot 8: x16 full-
height, full length
Processor 1
Processo
r
connectio
n
N/A
N/A
N/A
N/A
Processor
2
Processor
2
133
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