UEFI, iPXE, and HP Service Pack for ProLiant (SPP)

[fdge]

I'm getting a new error

Code:

Starting initrd...
Warning!!! Unable to mount the file system

Preboot maintenance mode

/bin/ah: can't access tty; job control turned off

ipxe menu contains

Code:

kernel http://${ipserver}/data/hp_spp/${hpsppver}/vmlinuz
initrd --name initrd.img http://${ipserver}/data/hp_spp/${hpsppver}/initrd.img
imgargs vmlinuz initrd=initrd.img rootfstype=ramfs root=/dev/ram0 media=net rw ramdisk_size=1099688 init=/bin/init iso1mnt=/mnt/bootdevice loglevel=3 ide=nodma ide=noraid nopat pnpbios=off vga=791 splash=silent hp_fibre showopts noexec32=off numa=off nox2apic ipappend 2 TYPE=MANUAL AUTOPOWEROFFONSUCCESS=no AUTOREBOOTONSUCCESS=no iso1=nfs://<?php echo "{$_SERVER['SERVER_ADDR']}"; ?>/opt/planb/data/hp_spp/${hpsppver}/${hpsppiso} iso1opts=timeo=120,nolock,bg,ro
imgstat
prompt
boot