Installation1-22. Return all packing materials to the shippingcontainer and store the container in a safe place.If you need to return the adapter to 3Com, you mustpack it in the original (or equivalent) packingmaterial, or the warranty will be voided.3. Remove the adapter from its antistatic bag.4. Check the adapter for any visible signs of damage.If you find a problem, immediately notify your networksupplier and the carrier that delivered the adapter.5. Place the adapter back in its antistatic bag untilyou are ready to install it.NOTE: After the adapter has been unpacked, fill out theProduct Registration Card at the back of this manual andreturn it to 3Com. Or call 1-800-NET-3Com forimmediate registration.Installing the Boot PROMThe boot PROM is optional and can be purchasedseparately. If you are installing it onto the adapter, followthe instructions that accompanied the boot PROM.Installing the AdapterWARNING: The adapter board will be installed in acomputer which operates with voltages that can belethal. Before you remove the cover of your computer,you must observe the following steps to protect yourselfand prevent damage to the system’s components.