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 |
If enabled, allows the OS to support PCIe Hot-Plug. If disabled, it does not allow the OS to support PCIe Hot-Plug. |