What is MIME type "image/x-award-bioslogo"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

image/x-award-bioslogo is a specialized image format used by Award BIOS firmware. It displays a system logo during boot-up.
This format is not common for everyday web images.

Main use case: To show the Award BIOS logo when a PC starts.
Key facts: The format is built for firmware. It uses a limited color palette and fixed dimensions for clarity during boot.
Known file formats: The logo can be stored in a BMP file (Award BIOS logo, version 1) or an EPA file (Award BIOS logo bitmap 136x84, v1).
Additional use: Custom BIOS logo changes require tools that understand this image structure.

This MIME type is tailored for a narrow area of use in system firmware. It ensures the BIOS displays a clear, branded image during startup.
Learn more about MIME types here.

Associated file extensions

.bmp, .epa

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: image/x-award-bioslogo

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="image/x-award-bioslogo">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');    
    
    http.createServer((req, res) => {    
      res.setHeader('Content-Type', 'image/x-award-bioslogo');    
      res.end('Content here');    
    }).listen(3000);

Associated file extensions

.bmp, .epa

FAQs

What is the primary use of the image/x-award-bioslogo MIME type?

This MIME type is used exclusively for the graphical logo displayed by Award BIOS firmware during the computer's boot process (POST). It is associated with proprietary image structures, specifically the EPA format, designed to fit within the strict memory constraints of older BIOS chips.

Can web browsers display image/x-award-bioslogo files?

No, modern browsers like Chrome, Firefox, and Edge do not natively render the EPA file format or recognize the image/x-award-bioslogo type. While they can display standard BMP files, the specialized Award BIOS bitmaps require dedicated viewing software.

How do I open or edit an .epa file?

You cannot use standard image editors like Photoshop to open raw EPA files directly. You must use specific BIOS modification tools, such as EPA Coder or CBROM, to view the logo or convert it into a standard bitmap format for editing.

How do I configure a web server to serve Award BIOS logos?

If you are hosting a repository for BIOS modding, you should map the extension to the MIME type to ensure correct handling by download managers. For Apache, add AddType image/x-award-bioslogo .epa to your configuration; for Nginx, add image/x-award-bioslogo epa; to your mime.types file.

What is the relationship between BMP and EPA files?

The EPA format is essentially a specialized, often compressed bitmap tailored for the Award BIOS (typically 136x84 pixels). Users frequently create logos as standard BMP files and then use conversion utilities to transform them into the image/x-award-bioslogo format for firmware insertion.

Why does this MIME type start with 'x-'?

The x- prefix signifies that image/x-award-bioslogo is a non-standard, private, or experimental type not officially registered with the IANA. It was defined by Award Software specifically for their firmware ecosystem.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.