Table 57. Riser configurations with greater than 4 PCIe slots [Riser configuration 3 (1A+2A), 4 (1A+2A+3A),
Riser configuration 5 (1B+2A+3A), Riser configuration 6 (1D+2A+3A) and Riser configuration 9 (1A+2D
+3A)] (continued)
Card Type
Slot priority
Configuration
Maximum number of
cards
1, 2, 6 for P4800X
1B+2A+3A
3
7, 2, 3, 5, 1, 8, 4, 6
1D+2A+3A
6
1, 6 for P4800X
1D+2A+3A
2
7, 5, 1, 8, 6
1A+2D+3A
5
BOSS
7, 5, 1, 8, 4, 3
1A+2A+3A
1
1, 7, 2, 3, 5, 8, 4
1B+2A+3A
1
7, 2, 3, 5, 1, 8, 4
1D+2A+3A
1
7, 5, 1, 8
1A+2D+3A
1
BOSS LP
6
All
1
NOTE:
For information about slot form factor, see the Expansion card riser configurations table.
NOTE:
The expansion card slots are not hot-swappable.
NOTE:
Double width GPUs are supported only on riser configuration 4, and single width GPUs are supported only on
riser configuration 6.
NOTE:
Ensure that x16 cards are installed only in x16 slots. Depending on the riser configuration slots 2, 7, or 8 may not
be available.
NOTE:
Only half length PCIe cards are supported on riser 2 when NVDIMM-Ns with NVDIMM-N battery are installed on
the air shroud.
NOTE:
For 24x2.5 inch 24 NVMe drive configuration, the PCIe bridge cards must be installed in slots 3 and 4.
Opening and closing the PCIe card holder latch
Before installing or removing a full length PCIe card, the PCIe card holder latch must be closed. When the full length PCIe card is installed,
open the PCIe card holder latch.
Prerequisites
1. Follow the safety guidelines listed in
on page 71.
2. Follow the procedure listed in
Before working inside your system
Steps
1. To open the PCIe card holder latch, press the release tab.
138
Installing and removing system components
