Operating System, Processor and Memory

• The Dell Latitude C640 typically came with the Microsoft Windows 2000 or XP Professional operating system. Each computer had a Mobile Intel Pentium 4 processor with an Intel 845MP chipset, and installed memory was measured at 128 MB.
  
  

Drives and Connectivity

• The Dell Latitude C640 had a 20, 30 or 40 GB hard drive, a 3.5-inch 1.44-MB floppy disk drive and a CD-ROM drive. Also included were a 56k modem, 10/100 Ethernet network interface and 802.11b wireless connectivity.
  
  

Physical Specs and Ports/Slots

• The Dell Latitude C640 was available with only a 14.1-inch screen. It weighed no more than 6 lbs, and measured 12.5 inches by 9.9 inches by 1.4 inches in width, depth and height, respectively. Its ports and slots included two PC Card slots; serial, parallel, VGA, RJ11, RJ45 and S-Video connectors; a USB port; and headphone, microphone and line-out jacks.