HP Tablet PC's HP tc1100 Tablet PC: A Tablet PC from HP, the tc1100 supports Intel Pentium and Intel Celeron M processors, 10.4" XGA displays, and up to 80 GB hard drives. The tc1100 supports multiple ports including two USB, Ethernet, phone line, VGA, Infared, and audio ports, and weighs just over three pounds. HP tc4200 Tablet PC A Tablet PC from HP, the tc4200 supports Intel Pentium M processors, 12.1" XGA Wide Viewing Angle displays, and up to 80 GB hard drives. The tc4200 supports multiple ports including three USB, Ethernet, phone line, VGA, Infared, S-video out, docking and audio ports, and weighs just 4.6 pounds.