What does IDE (PIO mode 3) represent in data transfer?

IDE (PIO mode 3) is a CPU-driven programmed I/O transfer mode for Parallel ATA storage devices with a theoretical maximum throughput of about 11.1 MB/s.

How is megabyte/second (SI def.) defined?

A megabyte per second (SI definition) equals 1,000,000 bytes transferred each second, based on decimal units.

Why convert IDE (PIO mode 3) to megabyte/second (SI def.)?

To express legacy transfer speeds in a standard data rate widely used in modern digital storage and networking for easier comparison.

How to Convert from IDE (PIO mode 3) to Megabyte/second (SI def.)?

Learn how to convert data transfer rates from IDE (PIO mode 3) to megabyte per second using SI definitions, with practical examples, use cases, and key considerations for legacy and modern systems.

IDE (PIO mode 3)

Megabyte/second (SI def.)

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IDE (PIO mode 3) to Megabyte/second (SI def.) Conversion Table

IDE (PIO mode 3)	Megabyte/second (SI def.)

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Start Value

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

End Value

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Interval

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IDE (PIO mode 3) to Megabyte/second (SI def.) Conversion Table
IDE (PIO mode 3)	Megabyte/second (SI def.)

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What Is This Tool?

This converter transforms data transfer rates from the legacy IDE (PIO mode 3) unit into the standardized megabyte per second (SI definition), enabling easy comparison and communication between older and modern data throughput measurements.

How to Use This Tool?

Enter the value in IDE (PIO mode 3) units you wish to convert.
Select megabyte/second (SI def.) as the target unit.
Perform the conversion to view the equivalent data transfer rate.

Key Features

Converts IDE (PIO mode 3) legacy transfer rates to megabyte/second (SI definition).
Provides clear rate comparisons between historical and current data transfer units.
Includes examples showing conversion multiples for intuitive understanding.

Examples

1 IDE (PIO mode 3) equals 11.1 megabyte/second (SI def.).
2 IDE (PIO mode 3) equals 22.2 megabyte/second (SI def.).

Common Use Cases

Analyzing legacy desktop or laptop hard drive throughput in context of modern units.
Handling embedded or industrial systems with older IDE devices lacking DMA support.
Performing performance tests or retrocomputing comparisons of historical storage modes.

Tips & Best Practices

Use this conversion to clearly communicate legacy hardware speeds in modern terms.
Be aware of the decimal (SI) basis of megabyte/second to avoid confusion with binary units.
Consider theoretical throughput limitations when interpreting IDE (PIO mode 3) data rates.

Limitations

IDE (PIO mode 3) throughput values are theoretical and may not represent actual speeds due to system overhead.
Megabyte/second (SI def.) is decimal-based and differs from binary-based units like mebibyte per second.
Conversion should be used with understanding of the difference between legacy and modern transfer units.

Frequently Asked Questions

What does IDE (PIO mode 3) represent in data transfer?: IDE (PIO mode 3) is a CPU-driven programmed I/O transfer mode for Parallel ATA storage devices with a theoretical maximum throughput of about 11.1 MB/s.
How is megabyte/second (SI def.) defined?: A megabyte per second (SI definition) equals 1,000,000 bytes transferred each second, based on decimal units.
Why convert IDE (PIO mode 3) to megabyte/second (SI def.)?: To express legacy transfer speeds in a standard data rate widely used in modern digital storage and networking for easier comparison.

Key Terminology

IDE (PIO mode 3): A programmed I/O transfer mode for ATA/IDE devices that is CPU-controlled with a max throughput near 11.1 MB/s.
Megabyte per second (SI def.): A data transfer rate defined as one million bytes per second, based on the decimal SI system.

Quick Knowledge Check

What is the theoretical maximum throughput of IDE (PIO mode 3)?

About 11.1 megabyte/second

About 10 megabyte/second

Exactly 12 megabyte/second

Which unit represents 1,000,000 bytes transferred each second?

Mebibyte per second

Megabyte per second (SI def.)

Kibibyte per second

Why might IDE (PIO mode 3) data rates not match actual speeds?

Overhead and CPU constraints

Because it uses DMA

Because it uses binary units

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