DVI-A Information

DVI, or Digital Video Interface Technology, was introduced in 1999 following the formation of the Digital Display Working Group (DDWG) in 1998. The DDWG's goal was to create a universal digital video interface standard for connecting PCs to VGA monitors.

DVI-A (DVI-Analog) carries only analog video signals, making it functionally similar to VGA/SVGA. The DVI-A connector has 17 pins and uses 4 analog pins surrounding the long flat pin to transmit Red, Green, Blue, and sync signals.

Because both DVI-A and SVGA are analog signal types, conversion between the two is straightforward. Inexpensive passive adapters and cables are widely available to convert SVGA to DVI-A or DVI-A to SVGA without any signal processing required.

Modern Context

DVI-A is largely obsolete today, having been replaced by DVI-D, HDMI, and DisplayPort for modern video connections. For analog connections, VGA/SVGA remains far more common than DVI-A. DVI-A ports are rarely found on current hardware, so users needing analog connectivity will typically encounter standard VGA connectors instead.