What does IDE (UDMA mode 2) represent?

It is an Ultra DMA transfer mode for PATA interfaces, allowing up to about 33.3 megabytes per second transfer rate, commonly called ATA/33.

Why convert IDE (UDMA mode 2) to megabit per second?

Converting helps compare legacy disk speeds with modern network bandwidth units, bridging storage and communication standards.

Is the converted speed always equivalent to actual device performance?

No, IDE (UDMA mode 2) rates are theoretical maxima; actual speeds may be reduced by hardware and protocol limitations.

How to Convert from IDE (UDMA mode 2) to Megabit/second (SI def.)

Learn how to convert data transfer rates from IDE (UDMA mode 2), an ATA/33 PATA interface speed, to megabit per second using the SI definition. Understand the conversion process, use cases, and practical examples to compare legacy disk speeds with modern network bandwidth units.

IDE (UDMA mode 2)

Megabit/second (SI def.)

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IDE (UDMA mode 2) to Megabit/second (SI def.) Conversion Table

IDE (UDMA mode 2)	Megabit/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 (UDMA mode 2) to Megabit/second (SI def.) Conversion Table
IDE (UDMA mode 2)	Megabit/second (SI def.)

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What Is This Tool?

This converter transforms data transfer rates measured in IDE (UDMA mode 2) — an Ultra DMA mode for Parallel ATA interfaces — into megabit per second based on the SI unit definition. It helps relate legacy hardware transfer speeds to current standard network throughput measures.

How to Use This Tool?

Enter the value in IDE (UDMA mode 2) units you wish to convert.
Select megabit per second (SI definition) as the target unit.
View the converted data transfer rate instantly.
Use the result to compare or analyze legacy device throughput with network speeds.

Key Features

Converts IDE (UDMA mode 2) transfer rates to megabit per second using the SI standard.
Facilitates comparison between legacy PATA device speeds and modern bandwidth units.
Provides clear examples to illustrate the conversion process.
Supports IT diagnostics, legacy system configuration, and network analysis.

Examples

2 IDE (UDMA mode 2) converts to 528 Megabit/second (SI def.) by multiplying 2 × 264.
0.5 IDE (UDMA mode 2) converts to 132 Megabit/second (SI def.) by multiplying 0.5 × 264.

Common Use Cases

Configuring or identifying legacy PC BIOS or drive-controller settings for ATA/33 performance.
Interpreting legacy disk throughput or benchmark results featuring UDMA mode 2 capabilities.
Troubleshooting PATA system compatibility and firmware issues with older drives.
Comparing historical storage transfer rates with modern internet or network speeds.

Tips & Best Practices

Verify that you are converting legacy IDE (UDMA mode 2) speeds before applying this conversion.
Be cautious of unit differences; megabit per second uses bits, while IDE typically references bytes.
Use conversion results as an approximate comparison tool between storage and network data rates.
Consider hardware overhead and real-world limitations that affect actual transfer speeds.

Limitations

IDE (UDMA mode 2) rates represent theoretical maximum speeds; actual throughput may be lower.
This conversion involves different unit bases: megabit/second counts bits, IDE mode is often in bytes.
Primarily suited for legacy PATA/IDE devices, not applicable to modern SATA or NVMe interfaces.
Hardware and protocol overhead may affect practical results beyond this conversion.

Frequently Asked Questions

What does IDE (UDMA mode 2) represent?: It is an Ultra DMA transfer mode for PATA interfaces, allowing up to about 33.3 megabytes per second transfer rate, commonly called ATA/33.
Why convert IDE (UDMA mode 2) to megabit per second?: Converting helps compare legacy disk speeds with modern network bandwidth units, bridging storage and communication standards.
Is the converted speed always equivalent to actual device performance?: No, IDE (UDMA mode 2) rates are theoretical maxima; actual speeds may be reduced by hardware and protocol limitations.

Key Terminology

IDE (UDMA mode 2): An Ultra DMA transfer mode for Parallel ATA interfaces, also known as ATA/33, with a theoretical max rate of about 33.3 megabytes per second.
Megabit per second (SI def.): A data transfer rate unit equal to one million bits transmitted per second, used to measure digital communication throughput.
ATA/33: A common name for IDE (UDMA mode 2), indicating a PATA transfer mode with a nominal speed of roughly 33 megabytes per second.

Quick Knowledge Check

What is the conversion rate from IDE (UDMA mode 2) to megabit/second (SI def.)?

264 Megabit/second

33.3 Megabit/second

1 Megabit/second

Which unit represents data transfer rate in bits per second according to SI?

Megabit/second (SI def.)

IDE (UDMA mode 2)

Megabyte/second

What type of devices typically use IDE (UDMA mode 2)?

Legacy PATA/IDE drives

Modern NVMe SSDs

Ethernet switches

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