I/O and Interrupt Resource Allocation
Option ROM and I/O Space Allocation
How to Determine Whether You Need to Allocate Option ROM and I/O Space
Allocating MSI Interrupt Space (Oracle Solaris OS Only)
How to Identify and Fix Interrupt Resource Shortages
Before You Begin
Identify the devices on which you need to configure option ROM and/or I/O space allocation. See How to Determine Whether You Need to Allocate Option ROM and I/O Space.
F2 if you’re connected through a Java console.
Control E if you’re connected through a serial console.
The BIOS setup menu appears.
Use the arrow and tab keys to navigate through the BIOS setup utility.
Use the Enter key to make selections.
When you are done, press F10, or navigate to the Exit menu screen to exit and save your changes.
The Advanced Chipset Settings screen appears.
The NorthBridge Chipset Configuration screen appears.
The Option ROM Scan appears.
Use the arrow keys to scroll down the list.
Use the Enter key to toggle your selections.
BIOS displays the I/O Allocation for all PCIe devices.
Enable any device you wish to boot from and disable any device you do not wish to boot from.
Use the arrow keys to scroll down the list.
Use the Enter key to toggle your selections.
Note - This display includes all possible devices, including those that are not present.
The BIOS reallocates I/O space the next time the server boots.