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Dell Precision 7920 Rack - Expansion Cards and Expansion Card Risers; Expansion Card Installation Guidelines

Dell Precision 7920 Rack
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Option Description
iDRAC IP Displays the IPv4 or IPv6 addresses for iDRAC9. Addresses include DNS (Primary and Secondary),
Gateway, IP, and Subnet (IPv6 does not have Subnet).
MAC Displays the MAC addresses for iDRAC, iSCSI, or Network devices.
Name Displays the name of the Host, Model, or User String for the system.
Number Displays the Asset tag or the Service tag for the system.
Power Displays the power output of the system in BTU/hr or Watts. The display format can be configured in the
Set home submenu of the Setup menu.
Temperature Displays the temperature of the system in Celsius or Fahrenheit. The display format can be configured in
the Set home submenu of the Setup menu.
Expansion cards and expansion card risers
An expansion card in the appliance is an add-on card that can be inserted into an expansion slot on the system board or riser
card to add enhanced functionality to the appliance through the expansion bus.
NOTE: A System Event Log (SEL) event is logged if an expansion card riser is unsupported or missing. It does not prevent
your appliance from turning on and no BIOS POST message or F1/F2 pause is displayed.
Expansion card installation guidelines
Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
Table 37. Expansion card riser specifications
Expansion card
riser
PCIe slots on
the riser
Processor
connection
Height Length Link Slot width
Riser 1C Slot 1 Processor 1 Full Height Full Length x16 x16
Riser 1C Slot 2 Processor 1 Full Height Full Length x8 x16
Riser 1C Slot 3 Processor 1 Full Height Half Length x8 x16
Riser 2A Slot 4 Processor 2 Full Height Full Length x16 x16
Riser 2A Slot 5 Processor 2 Full Height Full Length x8 x16
Riser 2A Slot 6 Processor 1 Low Profile Half Length x8 x16
Riser 3A Slot 7 Processor 2 Full Height Full Length x8 x16
Riser 3A Slot 8 Processor 2 Full Height Full Length x16 x16
NOTE: The expansion card slots are not hot-swappable.
The following table provides guidelines for installing expansion cards to ensure proper cooling and mechanical fit. The expansion
cards with the highest priority should be installed first using the slot priority indicated. All the other expansion cards should be
installed in the card priority and slot priority order.
Table 38. No riser configurations
Card Type Slot priority Maximum number of cards
NDC NDC Slot 1
PERC 3, 1, 2 1
GFX/GPU Compute (DW) 1,4,8 3
GFX (FH/SW) 1,4,8,2,5,7 up to 6
Technology and components 113

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