What does IDE (UDMA mode 1) represent?

It is a legacy Ultra DMA transfer mode of the Parallel ATA interface with a theoretical maximum transfer rate around 25 MB/s.

What is the difference between kilobyte/second (SI) and kibibyte/second?

Kilobyte/second (SI) is based on 1000 bytes per second, whereas kibibyte/second uses 1024 bytes per second, making them distinct units.

Can this converter be used for modern SATA or NVMe drives?

No, this conversion is intended for older PATA devices and is less relevant for modern SATA or NVMe technologies.

How to Convert from IDE (UDMA mode 1) to Kilobyte/second (SI def.)

Learn how to convert data transfer rates from IDE (UDMA mode 1), an older PATA interface mode, to kilobyte per second using the SI standard for modern reporting and diagnostics.

IDE (UDMA mode 1)

Kilobyte/second (SI def.)

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

IDE (UDMA mode 1) to Kilobyte/second (SI def.) Conversion Table

IDE (UDMA mode 1)	Kilobyte/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 1) to Kilobyte/second (SI def.) Conversion Table
IDE (UDMA mode 1)	Kilobyte/second (SI def.)

Explore More Data Transfer Units Converter

What Is This Tool?

This converter helps translate data transfer speeds from IDE (UDMA mode 1), a legacy mode used in older Parallel ATA drives, into kilobyte per second (SI definition), a contemporary unit that measures data rates based on decimal bytes per second.

How to Use This Tool?

Enter the value in IDE (UDMA mode 1) units you wish to convert.
Select the output unit as kilobyte per second (SI definition).
Click convert to get the equivalent data transfer rate in kilobyte/second.
Use the result for reporting, troubleshooting, or benchmarking legacy device speeds.

Key Features

Converts IDE (UDMA mode 1) transfer rates to kilobytes per second (SI) accurately.
Supports legacy PATA device data transfer diagnostics and benchmarking.
Displays rates using standardized SI decimal prefixes for clarity.
Useful in vintage PC repair, storage performance analysis, and embedded system evaluations.

Examples

1 IDE (UDMA mode 1) equals 25000 kilobytes per second (SI).
0.5 IDE (UDMA mode 1) equals 12500 kilobytes per second (SI).

Common Use Cases

Converting legacy IDE interface transfer rates for modern performance reports.
Benchmarking vintage hard drives and optical drives with known UDMA modes.
Troubleshooting and diagnosing BIOS or PATA controller transfer settings on old PCs.
Specifying embedded device throughput in standard kilobytes per second using SI units.

Tips & Best Practices

Ensure you are converting the theoretical maximum IDE (UDMA mode 1) rates, not sustained speeds.
Clarify when using SI kilobytes (1000 bytes) versus binary kibibytes (1024 bytes) to avoid confusion.
Use this tool mostly for older PATA devices; modern SATA or NVMe drives use different standards.

Limitations

Conversion assumes IDE (UDMA mode 1) theoretical maximum speed and may not reflect real transfer rates.
Kilobyte/second (SI) uses decimal units which differ from binary-based transfer rate units.
Applicability is mainly for legacy PATA drives and not suitable for newer storage technologies.

Frequently Asked Questions

What does IDE (UDMA mode 1) represent?: It is a legacy Ultra DMA transfer mode of the Parallel ATA interface with a theoretical maximum transfer rate around 25 MB/s.
What is the difference between kilobyte/second (SI) and kibibyte/second?: Kilobyte/second (SI) is based on 1000 bytes per second, whereas kibibyte/second uses 1024 bytes per second, making them distinct units.
Can this converter be used for modern SATA or NVMe drives?: No, this conversion is intended for older PATA devices and is less relevant for modern SATA or NVMe technologies.

Key Terminology

IDE (UDMA mode 1): An Ultra DMA transfer mode used in older Parallel ATA devices with a maximum theoretical raw transfer rate of about 25 MB/s.
Kilobyte/second (SI def.): A unit of data transfer rate equal to 1000 bytes transmitted or processed per second, distinct from the binary kibibyte per second.
Ultra DMA: A transfer mode standard in ATA interfaces that improves data transfer timing and error checking.

Quick Knowledge Check

What is the theoretical maximum transfer rate of IDE (UDMA mode 1)?

About 50 MB/s

About 25 MB/s

About 10 MB/s

Kilobyte/second (SI def.) is equal to how many bytes per second?

1024 bytes per second

1000 bytes per second

512 bytes per second

For which devices is this conversion primarily intended?

Modern NVMe drives

Older PATA devices

Wireless routers

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