Hi,
try a "dd if=/dev/zero of=/dev/sda" if your disk is the first SCSI disk.
Replace sda with the right devive name. Don't enter a partition number -
just the device name. dd should overwrite the MBR and the partition table.
Good luck
Gernot Weber
--
Gernot A. Weber
http://www.tux-web.de
Only wimps use tape backup: _real_ men just upload their important stuff
on ftp, and let the rest of the world mirror it.
Linus Torvalds, after a hard drive crash