has two PCIe switches integrated on the system board which map the
Shared PERC storage slots and PCIe expansion slots to the PCIe mezzanine
cards on the server modules. NOTE:
Before mapping or unmapping
a PCIe device, the server module must be turned off.
The PCIe switch mapping
is controlled by the firmware and depends on the software license
installed on the system:
- With base licensing, each server module can be mapped to a maximum
of two PCIe slots.
- With the advanced licensing, a server module can map all available
- Default factory configuration has all PCIe slots unmapped.
For more information on PCIe slot configuration licensing, see
the Dell Chassis Management Controller for Dell PowerEdge VRTX
map the mezzanine cards to the PCIe slots on the enclosure's system
board. There are five PCIe low profile slots on the system board and
three full-height, full-length PCIe slots on the PCIe riser. All the
PCIe slots can be mapped to the PCIe mezzanine cards on the server
modules to provide I/O expansion for the system:
Fabric B and Fabric C cards on each server module are mapped to the
PCIe switches which further map to the PCIe slots and the Shared PERC
slots on the enclosure's system board.
NOTE: For information on
the specifications of the supported PCIe cards, see Technical Specifications.
Figure. Mapping PCIe
Expansion Slots — Half-Height Server Modules
Figure. Mapping PCIe Expansion Slots — Full-Height Server Modules