What does IDE (DMA mode 0) mean?

IDE (DMA mode 0) is the first and lowest-speed direct memory access mode for ATA/IDE devices, specifying how drives transfer data directly to system memory without CPU-driven input/output.

How is a megabyte per second (SI) defined?

A megabyte per second (SI) represents a data transfer rate of one million bytes per second, using decimal multiples rather than binary.

Why convert IDE (DMA mode 0) to megabyte/second (SI def.)?

Converting allows users to express legacy data transfer rates with modern standard units, facilitating easier performance comparison and specification documentation.

How to Convert from IDE (DMA mode 0) to Megabyte/second (SI def.)?

Convert data transfer rates from IDE (DMA mode 0), a legacy ATA/IDE transfer mode, to modern megabyte per second (SI) units for clear performance comparison and specification.

IDE (DMA mode 0)

Megabyte/second (SI def.)

Please check your input. It must be a valid numeric value.

IDE (DMA mode 0) to Megabyte/second (SI def.) Conversion Table

IDE (DMA mode 0)	Megabyte/second (SI def.)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

IDE (DMA mode 0) to Megabyte/second (SI def.) Conversion Table
IDE (DMA mode 0)	Megabyte/second (SI def.)

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What Is This Tool?

This tool converts data transfer rates from IDE (DMA mode 0), the earliest direct memory access mode for ATA/IDE devices, into megabyte per second as defined by the decimal SI standard. It helps translate older transfer speed units into modern, widely used metrics.

How to Use This Tool?

Enter the value in IDE (DMA mode 0) units you want to convert.
Select IDE (DMA mode 0) as the source unit and megabyte/second (SI def.) as the target unit.
Click convert to view the result expressed in megabyte per second (SI definition).

Key Features

Converts IDE (DMA mode 0) data rates to megabyte/second (SI def.) units.
Supports legacy ATA/IDE device transfer speed interpretation.
Based on standardized conversion rates for consistent results.
Browser-based and user-friendly interface for quick conversions.

Examples

2 IDE (DMA mode 0) converts to 8.4 megabyte/second (SI def.).
0.5 IDE (DMA mode 0) equals 2.1 megabyte/second (SI def.).

Common Use Cases

Interpreting legacy PATA hard drive speeds in modern units.
Supporting embedded or industrial systems with IDE interfaces to assess transfer rates.
Analyzing OS or BIOS device drivers that configure IDE DMA modes.
Benchmarking and comparing storage performance across different standards.

Tips & Best Practices

Confirm the unit type to avoid confusion between decimal and binary data rates.
Use conversions to compare legacy drive speeds with modern storage device metrics.
Be aware that real-world speeds may vary from ideal calculated values due to hardware and system factors.

Limitations

IDE (DMA mode 0) represents outdated and relatively slow transfer speeds.
Conversion assumes ideal conditions; actual throughput can be affected by system overhead.
Ensure clarity that megabyte/second (SI) differs from binary-based units like mebibyte per second.

Frequently Asked Questions

What does IDE (DMA mode 0) mean?: IDE (DMA mode 0) is the first and lowest-speed direct memory access mode for ATA/IDE devices, specifying how drives transfer data directly to system memory without CPU-driven input/output.
How is a megabyte per second (SI) defined?: A megabyte per second (SI) represents a data transfer rate of one million bytes per second, using decimal multiples rather than binary.
Why convert IDE (DMA mode 0) to megabyte/second (SI def.)?: Converting allows users to express legacy data transfer rates with modern standard units, facilitating easier performance comparison and specification documentation.

Key Terminology

IDE (DMA mode 0): The initial direct memory access transfer mode for ATA/IDE drives, used for low-speed data transfers without CPU intervention.
Megabyte/second (SI def.): A data rate unit equal to one million bytes per second, based on decimal multiples rather than binary.

Quick Knowledge Check

What is IDE (DMA mode 0)?

A modern data transfer protocol for SSDs

The first and lowest DMA transfer mode for ATA/IDE devices

A binary data rate unit

How many bytes per second does a megabyte/second (SI) represent?

1,048,576 bytes/s

1,000,000 bytes/s

512,000 bytes/s

Why is converting IDE (DMA mode 0) to megabyte/second useful?

It updates transfer speeds to binary units

It expresses legacy speeds in a modern standard for comparison

It increases transfer speed

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