Chapter 18. Boot from SAN 259
IBM BIOS
There can be slight differences within the System BIOS configuration and setup utility,
depending on the server model and BIOS version that are used. Knowledge of BIOS and
ROM memory space usage can be required in certain situations. Some older PC architecture
limits ROM image memory space to 128 K maximum. This limit becomes a concern if you
want more devices that require ROM spaced. If you have many HBAs in your server, you
might receive a PCI error allocation message during the boot process. To avoid this error,
disable the boot options in the HBAs that are not being used for SAN boot installation.
To configure the IBM BIOS setup program, complete the following steps:
1. Reboot the host.
2. Press F1 to enter BIOS setup, as shown in Figure 18-33.
Figure 18-33 System x BIOS Setup panel
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