A Berg connector is a brand of electrical connector

Electrical connector

An electrical connector is an electro-mechanical device for joining electrical circuits as an interface using a mechanical assembly. The connection may be temporary, as for portable equipment, require a tool for assembly and removal, or serve as a permanent electrical joint between two wires or...

 used in computer hardware

Computer hardware

Personal computer hardware are component devices which are typically installed into or peripheral to a computer case to create a personal computer upon which system software is installed including a firmware interface such as a BIOS and an operating system which supports application software that...

. Berg connectors are manufactured by Berg Electronics Corporation of St. Louis, Missouri

St. Louis, Missouri

St. Louis is an independent city on the eastern border of Missouri, United States. With a population of 319,294, it was the 58th-largest U.S. city at the 2010 U.S. Census. The Greater St...

, a division of Framatome Connectors International.

Berg connectors have a 2.54 mm (=.100 inch) pitch, pins are square (0.64 mm x 0.64 mm = approx. 0.025 x 0.025 inch), and usually come as single or double row connectors.

Many types of Berg connectors exist. Some of the more familiar ones used in IBM PC compatible

IBM PC compatible

IBM PC compatible computers are those generally similar to the original IBM PC, XT, and AT. Such computers used to be referred to as PC clones, or IBM clones since they almost exactly duplicated all the significant features of the PC architecture, facilitated by various manufacturers' ability to...

s are:

• the 4-pin polarized Berg connectors used to connect floppy disk
  Floppy disk
  A floppy disk is a disk storage medium composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic carrier lined with fabric that removes dust particles...
  
   drive units to the power supply unit, usually referred to as simply a "floppy power connector",
• the 2-pin Berg connectors used to connect the front panel
  Front panel
  A front panel was used on early electronic computers to display and allow the alteration of the state of the machine's internal registers and memory. The front panel usually consisted of arrays of indicator lamps, toggle switches, and push buttons mounted on a sheet metal face plate...
  
   lights, turbo switch, and reset button
  Reset button
  In electronics and technology, a reset button is a button that can reset a device. On video game consoles, the reset button restarts the game, losing the player's unsaved progress. On personal computersOn IBM mainframes reset neither clears memory nor initiates an IPL., the reset button clears the...
  
   to the motherboard
  Motherboard
  In personal computers, a motherboard is the central printed circuit board in many modern computers and holds many of the crucial components of the system, providing connectors for other peripherals. The motherboard is sometimes alternatively known as the mainboard, system board, or, on Apple...
  
  , and
• the 2-pin Berg connectors used as jumper
  Jumper (computing)
  In electronics and particularly computing, a jumper is a short length of conductor used to close a break in or bypass part of an electrical circuit...
  
  s for motherboard configuration.

Availability

• Berg connectors are available from Tyco Electronics, AMP EI series, and FCI (BergStik family of headers)
• The 4-pin right-angle solder male floppy connector for drives is Tyco Electronics part no. 171826-4
• The 4-position crimp female floppy connector for cables is Tyco Electronics part no. 171822-4

External links

• picture of a 4-pin floppy disc drive Berg power connector
• http://portal.fciconnect.com/portal/page/portal/FcicntPublic/HomePage, the current owner of Berg.