IBM Power System 9009-42A Manual page 23

Note:
The left I/O module bay is configured with the first PCIe3 6-slot fanout module slot location codes P1-
C1 through P1-C6.
The right I/O module bay is configured with the second PCIe3 6-slot fanout module slot location codes
P2-C1 through P2-C6.
Figure 2. Rear view of a EMX0 PCIe3 expansion drawer with PCIe slot location codes
Table 6. PCIe slot locations and descriptions for the EMX0 PCIe3 expansion drawer
Location code
P1-C1
P1-C2
P1-C3
P1-C4
P1-C5
P1-C6
P2-C1
P2-C2
P2-C3
P2-C4
Description
PCIe3 x16
PCIe3 x8
PCIe3 x8
PCIe3 x16
PCIe3 x8
PCIe3 x8
PCIe3 x16
PCIe3 x8
PCIe3 x8
PCIe3 x16
PCIe adapter placement for the 9009-41A, 9009-42A, or 9223-42H 9
Slot capabilities
SR-IOV Dynamic direct
memory access
(DMA) window
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
I/O adapter
enlarged capacity
enablement order
1
Yes
No
No
No
No
No
1
Yes
No
No
No