1. A method for configuring a computer system, comprising: configuring the computer system to receive service data from an RFID tag, wherein the service data was sent to the RFID tag from an RF transmitter while the computer system was powered off, wherein the RFID tag comprises tag memory and an antenna, and wherein the RFID tag is attached to the computer system; and configuring the computer system to send the service data to the RFID tag, wherein the service data is received by an RF scanner from the RFID tag via the antenna while the computer system is powered off.