Lenovo Flex System Fabric CN4093 Product Manual page 21

The midplane connections between the adapters that are installed in the compute nodes to the I/O module
bays in the chassis are listed in the following table. Half-wide compute nodes support up to two adapters,
and full-wide compute nodes support up to four adapters.
Table 8. Adapter to I/O bay correspondence
I/O adapter slot
in the compute node
Slot 1
Slot 2
Slot 3
(full-wide compute nodes only)
Slot 4
(full-wide compute nodes only)
* Ports 7 and 8 are routed to I/O bays 1 and 2 (Slot 1 and Slot 3) or 3 and 4 (Slot 2 and Slot 4), but these ports cannot be used
with the CN4093 switch.
Lenovo Flex System Fabric CN4093 10Gb Converged Scalable Switch
Port on the adapter
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7*
Port 8*
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7*
Port 8*
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7*
Port 8*
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7*
Port 8*
Corresponding I/O module bay in the chassis
Bay 1 Bay 2
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Bay 3 Bay 4
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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