Inspur NX5460M4 User Manual page 19

Parameter description of PCI Express Settings interface:
Parameters
Maximum Payload
PCI Express GEN 2 Settings
PCI Express GEN 2 Settings interface is used to set the options related with PCIe
subsystem, as shown below:
Parameter description of PCI Express GEN 2Settings interface:
Parameters
ARI Forwarding
3.2.2.4 Network Stack Configuration
Network Stack Configuration interface is used to set the options related with network
module, as shown below:
１６
Function description
Maximum Payload setting of PCIe devices
Function description
On-off setting of ARI forwarding function. If enabled, there is only one
device in one bus, the device ID will be ignored, so that one device can
have 256 functions.