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# README.alphaboot Steve McIntyre <steve@einval.com> 2004/07/19
The alpha boot support allows you to create a bootable CD which will
work with DEC/Compaq/HP Alpha machines, for example bootable
installation media.
The method used for this is the same as in aboot, the bootloader for
Linux on Alpha, and works with SRM firmware. See the SRM Firmware
HOWTO at http://www.alphalinux.org/faq/SRM-HOWTO/ for more details
about SRM.
In common with many Unix systems, the SRM code reads the first
512-byte "sector" off a disk and parses information in that
sector. The information in question is the location (start "sector")
and length of the first stage boot loader. On a Linux system, this
file will normally be called bootlx.
SRM will load and execute the first stage boot loader, and from that
point the system should be able to find the normal OS kernel and start
up fully.
To use the Alpha boot support code in genisoimage, simply specify the
location of the first stage boot loader (relative to the CD root)
using the -alpha-boot command line switch:
genisoimage ... -alpha-boot boot/bootlx -o alpha.iso files
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