Available boot options (no input will boot the install/rescue system):
- 'arch <any_other_boot_option>' to boot the install/rescue system.
- 'arch root=/dev/??? <any_other_boot_option>' to boot into an existing system.
- If you have trouble with IDE drives, use the "ide-legacy" boot option
- If your system hangs during the boot process, any combinations of the
  boot options noapic acpi=off pci=routeirq nosmp may be useful
- 'memtest' to start the memory test program memtest86+.