Pcie Adapter Placement Rules And Slot Priorities For The 8348-21C - IBM Power Systems S812LC 8348-21C Installation Manual

PCIe adapter placement rules and slot priorities for the 8348-21C

Find information about the placement rules and slot priorities for the Peripheral Component Interconnect
(PCI) Express (PCIe) adapters that are supported for the 8348-21C system.
PCIe slot descriptions for the 8348-21C
The 8348-21C system provides PCIe generation 3 slots. Figure 21 shows the rear view of the system with
the PCIe adapter slots. Table 5 lists the PCIe adapter slot locations and details for the 8348-21C system.
v The half-height, half-length or short (low-profile) adapters can be installed in slots 1, 2, and 4.
v The half-height, full-length adapters can be installed only in slot 3.
Figure 21. Rear view of an 8348-21C system with PCIe slots indicated
Table 5. PCIe slot locations and descriptions for the 8348-21C system
Slot Description
1
1 PCIe3, x8
1
2 PCIe3, x8
3 PCIe3, x16
1
4 PCIe3, x8
1
Slots 1, 2, and 4 are x8 slots. The adapter priority for these slots is for the high-performance adapters followed by
any other adapter.
PCIe adapter placement rules
Use this information to select slots for installing PCIe adapters in the 8348-21C system. Table 6 on page 24
provides information about the adapters, the slot priorities in the system they are supported on, and the
maximum number of adapters that can be installed in the supported system. You can click the link that
appears in the feature code column for more technical information specific to the PCIe adapter.
PCI host bridge Adapter
(PHB) size
Processor Module 1, Half-height,
S2P17 half-length
Processor Module 1, Half-height,
S2P16 half-length
Processor Module 1, Half-height,
PHB0 full-length
Processor Module 2, Half-height,
PHB2 half-length
Coherent Accelerator
Processor Interface
(CAPI)
No
No
Yes
Yes
Installing and configuring the system
23