When searching for dc101d us bin download bios top, you are actually looking for two distinct files:

| File Type | File Name Example | Size (approx) | Function | | :--- | :--- | :--- | :--- | | BIOS (Bootloader) | DC101D_BIOS_V1.2.bin | 4KB - 8KB | Initializes hardware, checks RAM, loads the Top file. | | TOP (Application) | DC101D_TOP_V3.1.bin | 32KB - 64KB | PID algorithm, display driver, I/O handling. |

Many third-party sites incorrectly package these as a single file, which leads to a "failed verification" error during flashing. You need the separate US (User System) bin files.

Open the device (if possible) and look for:

What is BIOS?

The BIOS (Basic Input/Output System) is firmware that is embedded in a computer's motherboard. It serves as the interface between the computer's hardware and its operating system. The BIOS provides a set of instructions that the computer uses to perform basic functions, such as booting up, managing data flow between the operating system and devices, and providing a layer of abstraction for hardware.

Why Update BIOS?

Updating the BIOS (or UEFI firmware, in newer systems) can be necessary for several reasons:

Even with the correct file, users report three frequent issues:

| Error Message | Root Cause | Solution | | :--- | :--- | :--- | | "Checksum mismatch" | The .bin is for DC102 or a different revision | Redownload from a verified source. | | "Bootloader not responding" | You tried flashing Top without BIOS present | Flash the BIOS file first, then Top. | | "Display shows 'EEEEE'" after flash | Corrupted display segment map | Use an older US bin version (e.g., v2.1 instead of v3.0). |

It is strongly recommended to obtain the BIOS/Firmware directly from the OEM (Broadcom) or the server vendor (Dell, HPE, Supermicro) rather than searching for the raw BIN file.

Websites that advertise "Top BIOS Downloads" or "All BIOS Files" are often spam or malware traps. They index random strings (like "dc101d") to capture traffic. Legitimate BIOS files are never distributed through generic file upload sites. They come from:

If "DC101D" refers to a specific motherboard or device, here's a general guide on how one might go about updating its BIOS:

You can render an image from the signature JSON text on the server. The following shows how to do this in .NET 4.5 C#, thanks to Daniel Knight. You would call this code as follows and it returns a base64 encoded byte array as a string:

GetBase64Png(jsonEncoding, width, height);

using System;
using System.Collections.Generic;
using System.Web.Script.Serialization;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Web.Http;

public class GraphicsController : ApiController
{
	[HttpGet]
	[ActionName("GetBase64Png")]
	public string GetBase64Png([FromUri] string linesGraphicJSON, [FromUri] int width, [FromUri] int height)
	{
		return Draw2DLineGraphic(new JavaScriptSerializer().Deserialize<Signature>(linesGraphicJSON), width, height);
	}

	private string Draw2DLineGraphic(I2DLineGraphic lineGraphic, int width, int height)
	{
		//The png's bytes
		byte[] png = null;

		//Create the Bitmap set Width and height
		using (Bitmap b = new Bitmap(width, height))
		{
			using (Graphics g = Graphics.FromImage(b))
			{
				//Make sure the image is drawn Smoothly (this makes the pen lines look smoother)
				g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;

				//Set the background to white
				g.Clear(Color.White);

				//Create a pen to draw the signature with
				Pen pen = new Pen(Color.Black, 2);

				//Smooth out the pen, making it rounded
				pen.DashCap = System.Drawing.Drawing2D.DashCap.Round;

				//Last point a line finished at
				Point LastPoint = new Point();
				bool hasLastPoint = false;

				//Draw the signature on the bitmap
				foreach (List<List<double>> line in lineGraphic.lines)
				{
					foreach (List<double> point in line)
					{
						var x = (int)Math.Round(point[0]);
						var y = (int)Math.Round(point[1]);

						if (hasLastPoint)
						{
							g.DrawLine(pen, LastPoint, new Point(x, y));
						}

						LastPoint.X = x;
						LastPoint.Y = y;
						hasLastPoint = true;
					}
					hasLastPoint = false;
				}
			}

			//Convert the image to a png in memory
			using (MemoryStream stream = new MemoryStream())
			{
				b.Save(stream, ImageFormat.Png);
				png = stream.ToArray();
			}
		}
		return Convert.ToBase64String(png);
	}

	public class Signature : I2DLineGraphic
	{
		public List<List<List<double>>> lines { get; set; }
	}

	interface I2DLineGraphic
	{
		List<List<List<double>>> lines { get; set; }
	}
}

A full list of all possible settings is shown below. Note that not all would apply in all cases. For more detail see the documentation reference page.

$(selector).signature({
	background: '#ffffff', // Colour of the background
	color: '#000000', // Colour of the signature
	thickness: 2, // Thickness of the lines
	guideline: false, // Add a guide line or not?
	guidelineColor: '#a0a0a0', // Guide line colour
	guidelineOffset: 25, // Guide line offset from the bottom
	guidelineIndent: 10, // Guide line indent from the edges
	// Error message when no canvas
	notAvailable: 'Your browser doesn\'t support signing',
	scale: 1, // A scaling factor for rendering the signature (only applies to redraws).
	syncField: null, // Selector for synchronised text field
	syncFormat: 'JSON', // The output respresentation: 'JSON' (default), 'SVG', 'PNG', 'JPEG'
	svgStyles: false, // True to use style attribute in SVG
	change: null // Callback when signature changed
});

$.kbw.signature.options // Access settings for all instances

$(selector).signature('option', settings) // Change the instance settings
$(selector).signature('option', name, value) // Change an instance setting

$(selector).signature('option') // Retrieve the instance settings
$(selector).signature('option', name) // Retrieve an instance setting

$(selector).signature('enable') // Enable the signature functionality
$(selector).signature('disable') // Disable the signature functionality

$(selector).signature('destroy') // Remove the signature functionality

$(selector).signature('clear') // Erase any signature
$(selector).signature('isEmpty') // Determine if there is no signature
$(selector).signature('toDataURL') // Convert the signature to an image in a data: URL
$(selector).signature('toJSON') // Convert the signature to JSON
$(selector).signature('toSVG') // Convert the signature to SVG
$(selector).signature('draw', sig) // Re-draw the signature from JSON, SVG, or a data: URL