SOLVED. Any tips on booting Release 5 iso from grub legecy

Any tips on booting Release 5 iso from grub legacy?
In the past I could extract vmlinuz and all.rdz from the downloaded iso and boot it using
title Downloaded_iso
kernel (hd0,7)/vmlinuz root=/dev/ram3 ramdisk_size=32000 vga=791
initrd (hd0,7)/all.rdz
It is much faster than having to burn a cd or use a USB drive, then fight the UEFI bios to boot from the device.
In the past I could extract vmlinuz and all.rdz from the downloaded iso and boot it using
title Downloaded_iso
kernel (hd0,7)/vmlinuz root=/dev/ram3 ramdisk_size=32000 vga=791
initrd (hd0,7)/all.rdz
It is much faster than having to burn a cd or use a USB drive, then fight the UEFI bios to boot from the device.