Fc3 : installation via pxe boot and network

[livelinux at nwst.de]

Greetings,

i`m trying to setup an install server to boot and install systems via 
network.

Currently I`m using the initrd from  base/pxeboot.

Now: the kernel boots fine, the ramdisk is loaded and /sbin/loader starts.

However after loading the network driver it then hangs forever with:
'trying to mount CD device hda'.

Well, of course there is no cdrom media present....

Question: how can i tell the /sbin/loader to start a network install ?

tia!

Best Regards,
Dirk Westfal