BIOS IO Menu Selections
BIOS IO Menu PCI Subsystem Settings Options
The following table describes the BIOS IO Menu PCI subsystem settings options.
Setup Options Options Defaults Description
PCI 64 Bit Resources Allocation Disabled/Enabled Enabled Enable or disable 64-bit capable
devices to be decoded in above
4G address space. This setting
is available only if the system
supports 64-bit decoding.
Maximum Payload Auto/128 Bytes/256 Bytes/512
Bytes/1024 Bytes/2048
Bytes/4096 Bytes
Auto Set the Maximum Payload of the
PCI Express device or allow the
System BIOS to select the value.
Maximum Read Request Auto/128 Bytes/256 Bytes/512
Bytes/1024 Bytes/2048
Bytes/4096 Bytes
Auto Set the Maximum Read Request
of the PCI Express device or
allow the System BIOS to select
the value.
PCIe Hot-Plug Support Disabled/Enabled Enabled Enable or disable the OS to
support PCIe hot-plug.
282 Oracle Server X8-2L Service Manual • January 2021