ADLINK M-342 - Manual (Page 61)

BIOS Setup 47
M-342
PCI Express Gen2 Settings
Completion Timeout
In device functions that support Completion Timeout program-
mability, allows system software to modify the Completion
Timeout value (Default: 50us to 50ms). If 'Shorter' is selected,
software will use shorter timeout ranges supported by hard-
ware. If 'Longer' is selected, software will use software will use
longer timeout ranges supported by hardware. Options:
Default, Shorter, Longer, Disabled.
ARI Forwarding
If supported by hardware and set to "Enable", the Downstream
Port disables its traditional Device Number field being 0
enforcement when turning a Type1 Configuration Request into
a Type0 Configuration Request, permitting access to be
extended immediately below the Port. Options: Disabled,
Enabled.