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A VGA feature connector is a legacy internal header that carries digital video data and timing signals between a graphics adapter and auxiliary video hardware. It is not the external VGA socket used to connect a monitor. In Compaq’s 1996 Deskpro 2000 documentation, the feature connector is a 26-position header called the VESA Standard Feature Connector (VSFC), while the monitor connection is a separate DB-15 socket.
What the VGA feature connector does
The feature connector provides an auxiliary device access to the graphics card’s video path. Depending on the hardware, that could let a device receive or supply video data before it reaches the display output. IBM’s 1992 VGA/XGA technical-reference preview describes this kind of extension as a way for an adapter to access resources of the base video subsystem.
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On the Compaq Deskpro 2000 VSFC, the documented signals include eight pixel-data lines, P0–P7, plus a pixel clock, blanking, horizontal sync, vertical sync, and control signals for overlay, external sync, and external clock. These are digital video-path signals, not the analog monitor signals people usually associate with a VGA display connection. See the Compaq Deskpro 2000 Technical Reference Guide (1996) for that system’s connector details.
How it differs from the VGA monitor connector
| Feature | VGA feature connector (VSFC) | External monitor connector |
|---|---|---|
| Location and role | Internal auxiliary header for video hardware | External connection for a display |
| Compaq Deskpro 2000 example | 26-position header | DB-15 socket |
| Signal purpose | Digital pixel data, timing, and control signals | Display connection to a monitor |
| Compatibility concern | Implementation-specific pinout and keying | Separate monitor-interface connection |
The comparison describes the Compaq documentation, not every graphics card ever made. “VGA” may refer to the graphics standard or, informally, the external monitor socket; “VGA feature connector” names a different, internal interface.
#1 Best Overall
- 【Full HD 1080P & Gold-Plated】Supports resolutions at 800x600 (SVGA), 1024x768 (XGA), 1600x1200 (UXGA), 1920x1080P, 2560×1080,3440×1080,3840×1080,1440×1080,1280×1080 and up for high resolution LCD and LED monitors., making it ideal for connecting high-resolution monitors and projectors. With gold-plated connectors and bare copper conductors, this VGA monitor cable guarantees exceptional RGB signal transmission, producing vivid and crisp video output
- 【Protect Against EMI & RFI】Foil & braid shielding and 100% pure copper cores on the shielded VGA male to male PC cable minimize crosstalk, suppress noise, and protect against electromagnetic interference (EMI) and radio frequency interference (RFI)
- 【A Wide Range of Uses】 6FT VGA cable used with Computer, Laptop, Monitors, Projectors, VGA Splitters, KVM and more. Note: Card point design, please use a little force when inserting the Female VGA port (Please Note: VGA have no audio function,Sound can still play through the device's built-in speakers or headphone port）.
- 【15 pin VGA Coupler】Links VGA-equipped computer to any display with 15-pin VGA port (also known as RGB, DB-15, DE-15, HD-15, HDB-15 or D-sub 15).
- 【Lifetime Warranty & Upgraded】1. We should always provide the customer with good service after warranty. 2. Our VGA cable in this product line have been upgraded from nickel to gold plating while maintaining original pricing.
What hardware used it
Historical examples include video capture and overlay boards, MPEG decoders, and TV-tuner hardware. These examples explain why a graphics card might have the header, but do not mean every feature connector works with every auxiliary device. The IBM technical-reference preview describes the extension’s role; a 1998 excerpt from Upgrading and Repairing PCs discusses multimedia applications.
Why pinouts need to be checked carefully
Do not wire an auxiliary board based only on the connector’s shape or pin count. Signal names, pin assignments, direction controls, and keying can vary across implementations. For example, the Compaq table uses P0–P7, while a VESA-style mapping on AllPinouts labels the pixel lines PD0–PD7. Similar-looking names do not establish that two cards are electrically compatible.
Rank #2
- EXCELLENT TRANSMISSION: Benfei DisplayPort to VGA 1.8 Meter Cable utilizes better chip solution and professional multiple shielding for instaneous and accurate data streaming.
- SUPERIOR STABILITY - Built-in advanced IC chip converts DisplayPort signal to VGA signal; It is NOT a bi-directional converter and cannot transmit signals from VGA to DisplayPort
- INCREDIBLE PERFORMANCE - The DisplayPort male to VGA Male converter supports resolutions up to 1920x1080@60Hz (1080p Full HD) including 720p, 1600x1200, 1280x1024 for high definition monitors or projectors; Gold plated DisplayPort connector resists corrosion and abrasion and improve the signal transmission performance; Molded strain relief increases cable durability
- LATCHES DESIGN: DisplayPort connector with latches provides a secure connection, the latches will improve the connection stability in usage. When plug out, please press the realse button, and easy to pull out.
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For the Compaq Deskpro 2000 VSFC specifically, the guide assigns pins 14–21 to P0–P7, pin 22 to DCLK, pin 23 to BLANK, pin 24 to HSYNC, and pin 25 to VSYNC. Pins 4–6 are EVIDEO-, ESYNC-, and EDCLK; pin 13 is keyed, pins 7 and 12 are listed as not connected, and several positions are ground. Treat that mapping as specific to the documented system, not as a universal pinout.
- Identify the exact graphics card and auxiliary board models.
- Consult their manufacturer documentation for pin numbering, orientation, signal names, and signal direction.
- Confirm the header’s keying and ground positions before connecting hardware.
The AllPinouts VFC reference offers broader mapping context, but it should not replace the documentation for the specific card. The IBM reference is a technical-reference preview; its context does not make it a universal wiring guide.
Rank #3
- 【10 Feet VGA Cable】VGA male to VGA male cable connects a VGA (Video Graphic Array) equipped computer to a monitor or projector with 15-pin VGA port (also known as RGB, DB-15, DE-15, HD-15, HDB-15 or D-sub 15) for video editing, gaming, or video projection.
- 【1080P High Resolution】This VGA cable supports video resolutions at 800x600 (SVGA), 1024x768 (XGA), 1600x1200 (UXGA), 1080p (Full HD), and up for high resolution LCD and LED monitors.
- 【Steady and Durable】The VGA cord engineered with molded strain relief connectors for durability, grip treads for easy plugging and unplugging, and finger-tightened screws for a secure connection.
- 【Broad Compatible】Compatible with any devices with a VGA Interface: LED/LCD, Monitor, Projector, PC, Laptop, TV, PSP, TV Box.
- 【24H Service Online】Originated from confidence in the VGA Cable, ensures long-time satisfaction of your purchase, If any problem, plase tell us through Amazon.
Is a VGA feature connector useful today?
It is mainly relevant when identifying, restoring, or working with older PC graphics cards and their companion multimedia boards. A 26-pin header alone does not tell you which adapter will work, and the available documentation here does not establish current compatibility or parts availability. Use the manual for the exact hardware before attempting a connection.
For historical background on multimedia uses, see the 1998 excerpt from Upgrading and Repairing PCs.
Quick Recap
Best Value
- Compatibility Note: This is a VGA extension cable with 15-pin DB-15 Male to Female connectors, designed for extending analog video signals. Not a VGA Male-to-Male cable (not for direct PC-to-monitor connections) — a VGA male-to-male cable is needed (sold separately). Not compatible with DB9 serial ports.
- VGA video extension cable extends the length of an existing HD15 VGA cord; Connect to a monitor across the room or attach to an existing male to male VGA cable in a hard-to-reach location behind a desk with this VGA monitor cord extender; Extend a KVM switch VGA monitor cable with this convenient computer extension cord for VGA
- Monitor cable extension cord supports video resolutions up to full HD 1080p, including 800x600 (SVGA), 1024x768 (XGA), 1600x1200 (UXGA), and 1920x1200 (WUXGA); Connect to an LED-lit and LCD HD monitor with this SVGA extension cable
- Integrated ferrite cores on this male to female VGA cable minimize crosstalk, suppress noise, and protect against radio frequency interference (RFI) and electromagnetic interference (EMI)
- Hex nuts on the VGA male to female extension cable mate with the thumb screws on the existing VGA cable to provide a secure connection; Flexible VGA extender cord extends an RGB cord from a monitor or projector in seconds
Rank #4
- Screw-in VGA cable with 15-pin male input and output
- Supports resolutions at 800x600 (SVGA), 1024x768 (XGA), 1600x1200 (UXGA), 1920x1080P and up for high resolution LCD and LED monitors
- The VGA cord engineered with molded strain relief connectors for durability, grip treads for easy plugging and unplugging, and finger-tightened screws for a secure connection
- Links VGA-equipped computer to any display with 15-pin VGA port
- Cable Length : 1.8M/ 6Ft;Jacket Material : PVC
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