Berg connectors have a 2.54 mm (0.100 in) pitch, pins are 0.64 mm (0.025 in) square, 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 compatibles are:
- the four-pin polarized Berg connectors used to connect 3½-inch floppy disk drive units to the power supply unit, usually referred to as simply a "floppy power connector", but often also referred to as LP4. This connector has a 2.50 mm (0.098 in) pitch (not 2.54 mm).
- the two-pin Berg connectors used to connect the front panel lights, turbo switch, and reset button to the motherboard.
- the two-pin Berg connectors used as jumpers for motherboard configuration.
Floppy drive power connector
|Designer||Berg Electronics Corporation|
|Pin 1||Red||+5 V|
|Pin 4||Yellow||+12 V|
The power connector on the 3½-inch floppy drive, informally known as "the Berg connector", is 2.50 mm pitch (distance from center to center of pins).
The power cable from the ATX power supply consists of 20 AWG wire to a 4-pin female connector. The plastic connector housing is TE Connectivity / AMP 171822-4 with female metal contact pins are choice of TE Connectivity / AMP 170204-* or 170262-*, where * is 1 or 2 or 4.
- Electrical connector
- DC connector
- Insulation-displacement connector (IDC)
- JST connector
- Molex connector
- Pin header connector
- "ATX12V Power Supply Design Guide, v2.31 (Power Supply Design Guide for Desktop Platform Form Factors, v1.2)" (PDF). Archived from the original (PDF) on 2016-04-14. Retrieved 2016-12-25.
- AMP 171822-4 Female Housing; TE Connectivity.
- AMP 170204-1 Female Contact Pin for AWG 20-26 wire; TE Connectivity.
- AMP 171826-4 Right-Angle Male Connector; TE Connectivity.
- AMP 171825-4 Straight Male Connector; TE Connectivity.
- Framatome To Acquire Berg In Connector Deal; Berg Electronics; August 28, 1998.
- Amphenol Corporation Completes the Acquisition of FCI Asia Pte Ltd; Business Wire; January 08, 2016.
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