What is IDE (UDMA mode 2)?

IDE (UDMA mode 2) is a transfer mode for Parallel ATA interfaces providing maximum theoretical transfer rates around 33.3 megabytes per second using legacy PATA controllers.

Why convert IDE (UDMA mode 2) to gigabyte/second (SI def.)?

Converting to gigabyte/second with SI units allows comparison of older PATA device speeds with modern network and storage performance ratings.

Can this conversion be used for SATA or newer drives?

No, this conversion is only relevant for legacy PATA/IDE devices and does not apply to SATA or newer storage technologies.

Convert IDE (UDMA mode 2) to Gigabyte/second (SI def.) Data Transfer Rate

Easily convert data transfer rates from IDE (UDMA mode 2) to gigabyte per second (SI definition) for comparing legacy PATA speeds with modern rates.

IDE (UDMA mode 2)

Gigabyte/second (SI def.)

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

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

IDE (UDMA mode 2)	Gigabyte/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

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

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What Is This Tool?

This tool converts data transfer rates from IDE (UDMA mode 2), a legacy PATA interface mode, into gigabyte per second using the SI decimal definition. It helps translate older hardware transfer values into contemporary standardized units.

How to Use This Tool?

Enter the data transfer rate value expressed in IDE (UDMA mode 2)
Select IDE (UDMA mode 2) as the source unit if needed
Choose gigabyte per second (SI def.) as the target conversion unit
Submit to receive the converted data rate in gigabytes per second (SI definition)

Key Features

Converts IDE (UDMA mode 2) transfer rates into gigabyte/second (SI def.) data rate units
Supports legacy PATA interface benchmarks and system configuration analysis
Provides standardized output for modern network and storage performance evaluations
Offers clear, straightforward conversion based on fixed rate values

Examples

2 IDE (UDMA mode 2) converts to 0.066 gigabyte/second (SI def.)
10 IDE (UDMA mode 2) converts to 0.33 gigabyte/second (SI def.)

Common Use Cases

Configuring legacy PC BIOS or drive controllers for ATA/33 performance
Interpreting older hard drive or optical drive throughput benchmarks with UDMA mode 2
Comparing legacy PATA device speeds to current network or storage rates using SI units
Troubleshooting compatibility or performance issues on PATA-based systems

Tips & Best Practices

Use the conversion to standardize legacy PATA transfer rates with modern data metrics
Verify that your context applies to PATA/IDE interfaces, as this conversion doesn't extend to newer technologies
Remember that IDE (UDMA mode 2) rates are theoretical maxima and actual speeds can vary
Note that gigabyte/second here is based on SI decimal units, not binary definitions

Limitations

The IDE (UDMA mode 2) rate is a theoretical maximum and may not reflect real-world speeds
Conversion uses SI gigabytes (decimal), differing slightly from binary-based gigabytes in some cases
The tool applies only to legacy PATA/IDE interfaces and is not suitable for SATA or newer storage standards

Frequently Asked Questions

What is IDE (UDMA mode 2)?: IDE (UDMA mode 2) is a transfer mode for Parallel ATA interfaces providing maximum theoretical transfer rates around 33.3 megabytes per second using legacy PATA controllers.
Why convert IDE (UDMA mode 2) to gigabyte/second (SI def.)?: Converting to gigabyte/second with SI units allows comparison of older PATA device speeds with modern network and storage performance ratings.
Can this conversion be used for SATA or newer drives?: No, this conversion is only relevant for legacy PATA/IDE devices and does not apply to SATA or newer storage technologies.

Key Terminology

IDE (UDMA mode 2): An Ultra DMA transfer mode for legacy Parallel ATA interfaces providing about 33.3 MB/s maximum theoretical synchronous transfer rate.
Gigabyte per second (SI def.): A data transfer rate measuring 10^9 bytes per second, using SI decimal prefixes to quantify data throughput.

Quick Knowledge Check

What does one IDE (UDMA mode 2) unit approximately equal in gigabyte/second (SI def.)?

0.033 GB/s

0.33 GB/s

3.3 GB/s

Which interface does IDE (UDMA mode 2) relate to?

Serial ATA (SATA)

Parallel ATA (PATA/IDE)

USB

What definition of gigabyte is used in this conversion?

Binary-based gibibyte

Decimal SI gigabyte

Octal byte group

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