The adapter supports several boot options:
UEFI with PXE with option ROM (Oracle x86/x64)
UEFI with iSCSI with option ROM (Oracle x86/x64 and Oracle SPARC)
OpenBoot PROM (bootp) with PF (Oracle SPARC servers supporting LDOMs)
The Oracle Solaris Advanced Installation Guide includes more information about boot options and describes how to create a boot server.