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Black Box Explains...Upgrading from VGA to DVI video.

Many new PCs no longer have traditional Cathode Ray Tube (CRT) computer monitors with a VGA interface. The latest high-end computers have Digital Flat Panels (DFPs) with a Digital Visual... more/see it nowInterface (DVI). Although most computers still have traditional monitors, the newer DFPs are coming on strong because flat-panel displays are not only slimmer and more attractive on the desktop, but they’re also capable of providing a much sharper, clearer image than a traditional CRT monitor.

The VGA interface was developed to support traditional CRT monitors. The DVI interface, on the other hand, is designed specifically for digital displays and supports the high resolution, the sharper image detail, and the brighter and truer colors achieved with DFPs.

Most flat-panel displays can be connected to a VGA interface, even though using this interface results in inferior video quality. VGA simply can’t support the image quality offered by a high-end digital monitor. Sadly, because a VGA connection is possible, many computer users connect their DFPs to VGA and never experience the stunning clarity their flat-panel monitors can provide.

It’s important to remember that for your new DFP display to work at its best, it must be connected to a DVI video interface. You should upgrade the video card in your PC when you buy your new video monitor. Your KVM switches should also support DVI if you plan to use them with DFPs. collapse

  • Firmware... 
  • ServSwitch Wizard VGA Firmware
    Firmware for the KV3004A, KV3204A, KV3304A, and KV3404A (Version 2.04)
 

Black Box Explains... Digital Visual Interface (DVI).

The Digital Visual Interface (DVI) video standard is based on transition-minimized differential signaling (TMDS). In a typical single-line digital signal, voltage is raised to a high level and decreased to... more/see it nowa low level to create transitions that convey data. To minimize the number of tran-sitions needed to transfer data, TMDS uses a pair of signal wires. When one wire goes to a high-voltage state, the other goes to a low-voltage state. This balance increases the data-transfer rate and improves accuracy.

Although there are four types of DVI connectors, only DVI-D and DVI-I are commonly used for monitors. DVI-D is a digital-only connector. DVI-I supports both digital and analog RGB connections. collapse


  • Firmware... 
  • ServSwitch Wizard DVI Dual-Link Firmware
    Firmware for the KV2004A, KV2204A, KV2304A, and KV2404A (Version 2.04)
 

Product Data Sheets (pdf)...ServSwitch Simplicity


Product Data Sheets (pdf)...ServSwitch Micro

  • Manual... 
  • ServSwitch Micro User Manual
    User Manual for the KV407A and KV408A (September 2005)
 
  • Manual... 
  • ServSwitch Wizard VGA Manual
    Manual for the KV3004A, KV3304A, KV3204A, & KV3404A (July 2010)
 
  • Manual... 
  • ServSwitch Wizard DVI DL
    Installation and User Guide (Feb-09)
 
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