The computer might weigh more or less, depending on its configuration. 3 SpeedStep allows a user to configure their system to run at lower clock speeds when operating on battery power. The 750 MHz can clock down to 600 MHz. The 800 MHz and 1 GHz can clock down to 700 MHz. 4 Download speeds limited to 53 Kbps.
Speeds also vary depending on line conditions.
Analog phone line and compatible server equipment required.