| File Type 1 |
Virtual PC Virtual Hard Disk (Most common) |
| File Format |
File |
| Common? |
No |
| File Description |
Hard disk image file used by Microsoft Virtual PC; stores data within a single file that acts as an individual hard disk; may be used to install multiple operating systems on a single computer, test software programs, or run older applications.
The VHD Image Format Specification has been available as a royalty-free license since June, 2005. |
| Program(s) that open vhd files |
Windows: Microsoft Virtual PC or Virtual Server |
| File Type 2 |
VHDL Source File |
| File Format |
Standard File |
| Common? |
No |
| File Description |
Source file written in VHDL, which stands for Very High Speed Integrated Circuits (VHSIC) Hardware Description Language (HDL); often used for automating the design of electrical circuits and components.
Electronic engineers can use VHDL to describe hardware components in a text-based format; this description can then be used to manufacture a physical circuit such as a motherboard, processor, or memory module. |
| Program(s) that open vhd files |
Mac: Green Mountain DirectVHDL; View in a text editor
Windows: Mentor Graphics ModelSim; Xilinx ISE; Green Mountain DirectVHDL; View in a text editor
Unix: Mentor Graphics ModelSim; Xilinx ISE; View in a text editor |
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