What exactly is IDE (PIO mode 4)?

IDE (PIO mode 4) is a Programmed Input/Output timing mode for ATA/IDE devices where the CPU directly manages data transfers, characterized by specific timing and handshaking protocols.

Why convert IDE (PIO mode 4) speeds to MB/s?

Converting to MB/s allows users to compare legacy ATA/IDE performance with modern data transfer rates expressed in a standard unit.

Can this converter be used for modern SSD or HDD speeds?

No, this tool is intended for legacy IDE (PIO mode 4) timing modes, not for current storage device transfer rates.

How to Convert from IDE (PIO mode 4) to Megabyte/second [MB/s]

Learn how to convert data transfer rates from the IDE (PIO mode 4) timing mode to megabytes per second (MB/s), enabling effective benchmarking and comparison of legacy and modern storage transfer speeds.

IDE (PIO mode 4)

Megabyte/second [MB/s]

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

IDE (PIO mode 4) to Megabyte/second [MB/s] Conversion Table

IDE (PIO mode 4)	Megabyte/second [MB/s]

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 (PIO mode 4) to Megabyte/second [MB/s] Conversion Table
IDE (PIO mode 4)	Megabyte/second [MB/s]

Explore More Data Transfer Units Converter

What Is This Tool?

This unit converter transforms data transfer values expressed in IDE (PIO mode 4), a legacy ATA/IDE CPU-controlled timing mode, into megabytes per second (MB/s), a standard measure of data transfer rate.

How to Use This Tool?

Enter the value measured in IDE (PIO mode 4) mode.
Select the source unit as IDE (PIO mode 4) and the target unit as megabyte/second [MB/s].
Execute the conversion to see the equivalent speed in MB/s.

Key Features

Converts IDE (PIO mode 4) values, representing old CPU-driven ATA timings, to MB/s.
Uses a defined conversion rate to translate theoretical throughput into a familiar data transfer unit.
Supports understanding and comparison of legacy drive speeds with modern standards.

Examples

2 IDE (PIO mode 4) converts to approximately 31.66 MB/s.
0.5 IDE (PIO mode 4) corresponds to about 7.92 MB/s.

Common Use Cases

Configuring or troubleshooting older IDE/ATA drives and legacy BIOS or driver settings.
Benchmarking vintage storage devices to evaluate potential upgrade needs.
Maintaining compatibility in retro-computing or industrial environments with historical ATA timing modes.

Tips & Best Practices

Understand that IDE (PIO mode 4) reflects a timing mode rather than a direct physical speed.
Use this conversion to translate CPU-controlled legacy transfer rates into a widely recognized data rate unit.
Consider byte conventions (decimal vs binary) when interpreting results in MB/s.

Limitations

IDE (PIO mode 4) indicates theoretical throughput, so actual speeds depend on system conditions and hardware state.
Definitions of megabyte vary; values may differ slightly if binary (MiB) or decimal units are applied.

Frequently Asked Questions

What exactly is IDE (PIO mode 4)?: IDE (PIO mode 4) is a Programmed Input/Output timing mode for ATA/IDE devices where the CPU directly manages data transfers, characterized by specific timing and handshaking protocols.
Why convert IDE (PIO mode 4) speeds to MB/s?: Converting to MB/s allows users to compare legacy ATA/IDE performance with modern data transfer rates expressed in a standard unit.
Can this converter be used for modern SSD or HDD speeds?: No, this tool is intended for legacy IDE (PIO mode 4) timing modes, not for current storage device transfer rates.

Key Terminology

IDE (PIO mode 4): A Programmed Input/Output timing mode for ATA/IDE devices where the CPU directly controls data transfers with defined timing and handshaking.
Megabyte per second (MB/s): A data transfer rate unit indicating one megabyte moved per second, using either decimal or binary byte definitions.

Quick Knowledge Check

What does IDE (PIO mode 4) represent?

A physical storage size unit

A CPU-controlled ATA/IDE transfer timing mode

A network data speed standard

Why might actual IDE (PIO mode 4) speeds vary from theoretical values?

Due to varying CPU brands

Because of system overhead and device condition

Because the converter is inaccurate

What unit does this tool convert IDE (PIO mode 4) into?

Bits per second

Megabyte per second (MB/s)

Gigabytes per hour

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