5.7.2 PCIe Slots
PCIe Slots
Figure 5-59 PCIe slots
⚫
I/O module 1 provides slots 1 to 3. If a dual-slot PCIe riser module is used, slot 2
is unavailable.
⚫
I/O module 2 provides slots 4 to 6. If a dual-slot PCIe riser module is used, slot 5
is unavailable.
⚫
I/O module 3 provides slots 7 to 8. If a single-slot PCIe riser module is used, slot
8 is unavailable.
⚫
Observe the following when configuring PCIe GPU cards:
⚫
A dual-slot PCIe riser module in I/O module 1 or 2 can house only one FHFL single-slot or
dual-slot PCIe x16 GPU card in slot 1 or 4.
⚫
A three-slot PCIe riser module in I/O module 1 or 2 does not support dual-slot GPU card.
⚫
A single-slot PCIe riser module in I/O module 3 can house only one HHHL single-slot x16
GPU card.
⚫
I/O module 3 does not support GPU cards when it is installed with a dual-slot PCIe riser
module.
⚫
The Tesla T4 or Tesla P4 HHHL GPU supports x16 and x8 configurations.
If x16 is used, a maximum of four GPUs can be installed in slots 1, 3, 4, and 7. If x8 is used,
a maximum of seven GPUs can be installed in slots 1 to 7.
⚫
Dedicated PCIe riser module must be used with Tesla T4 and dual-slot GPU cards.
⚫
Observe the following rules when configuring NVMe SSD adapters:
⚫
If 24 x 2.5" NVMe drives are configured, two NVMe SSD adapters must be installed in slots
1 and 4.
PCIe Riser Modules
⚫
PCIe riser module 1 (universal)
− It provides PCIe slots 1 and 3 when being installed in I/O module 1.
− It provides PCIe slots 4 and 6 when being installed in I/O module 2.
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