Opcion binaria argentina
The easiest method to do this is to copy the entry that is currently the default and modify it to use the new vmlinuz file and the new initial ramdisk image you created.
Then set the default entry to the new entry you added. This will create a new initrd and grub entry that contains the correct driver. For SMP systems the system will be rebooted after the first CD is done installing. After the driver loads select back to continue with the rescue and select the appropriate keyboard mapping when prompted.