Update Disks for RedHat

[EGR]

Hi,

I'd like to install a RedHat AS 2.1 and connect it to a SAN.

Bacause of that I downloaded driver update disk-images from RedHat homepage.
I created the disks with
'dd if=<file> of=/dev/fd0' and/or with rawrite.

During installation I entered &quot;linux update dd&quot;, after that the installer asks me to insert the driver disk.
But after inserting ist following message appears:
&quot;The floppy disk you inserted is
not a valid driver disk for this
release of Red Hat Linux&quot;
But it is!
What can I do?

Another question:
Can I use more than one driver update disk during one installation process?

Thank You
/EGR