What does IDE (DMA mode 1) mean in data transfer?

IDE (DMA mode 1) is a direct memory access transfer mode for IDE/ATA devices allowing data moves between device and system memory with limited CPU usage, defined by specific timing protocols for moderate-speed transfers.

What is modem (28.8k) referring to?

Modem (28.8k) indicates a data transfer rate of approximately 28,800 bits per second typical of a 28.8 kbps dial-up modem transmitting data over analog telephone lines.

Why convert IDE (DMA mode 1) to modem (28.8k)?

Converting these units helps compare data transfer speeds between legacy storage hardware and classic dial-up modem rates for performance evaluation or historical study.

Convert IDE (DMA mode 1) to Modem (28.8k) Data Transfer Units

Easily convert data transfer rates from IDE (DMA mode 1) direct memory access speeds to modem (28.8k) analog transmission rates. Understand legacy hardware and communication performance differences.

IDE (DMA mode 1)

Modem (28.8k)

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IDE (DMA mode 1) to Modem (28.8k) Conversion Table

IDE (DMA mode 1)	Modem (28.8k)

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

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Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

IDE (DMA mode 1) to Modem (28.8k) Conversion Table
IDE (DMA mode 1)	Modem (28.8k)

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What Is This Tool?

This converter translates data transfer rates from IDE (DMA mode 1), a direct memory access transfer mode for IDE/ATA devices, into modem (28.8k), which represents the speed of a classic 28.8 kilobits per second dial-up modem. It helps compare hardware memory transfer speeds with analog telephone line transmission rates.

How to Use This Tool?

Enter the value in IDE (DMA mode 1) units you want to convert
Select IDE (DMA mode 1) as the input unit and modem (28.8k) as the output unit
Click the convert button to view the equivalent modem (28.8k) rate
Review the result to understand the comparative data transfer speeds

Key Features

Supports conversion between IDE (DMA mode 1) and modem (28.8k) units
Displays equivalent transfer rates based on standard definitions
Provides quick comparison of legacy hardware and modem speeds
Browser-based and easy to use without installing software

Examples

Converting 1 IDE (DMA mode 1) yields approximately 3694.44 modem (28.8k) units
Converting 0.5 IDE (DMA mode 1) results in about 1847.22 modem (28.8k) units

Common Use Cases

Evaluating relative speed differences between IDE direct memory access and modem throughput
Supporting legacy system performance assessments and diagnostics
Comparing classic network modem speeds with IDE storage device transfer rates
Researching historical data transfer technologies in IT and telecommunications

Tips & Best Practices

Use this tool to gain perspective on legacy hardware speed comparisons
Remember the conversion represents theoretical rates, not actual real-world throughput
Consider protocol and overhead factors affecting real transfer speeds outside of raw conversion
Apply conversions primarily for educational, testing, or historical analysis purposes

Limitations

Conversion is approximate due to differing technologies between DMA hardware transfers and modem serial communication
Real data throughput may vary because of overhead, error correction, and protocol efficiency
Not suitable for current generation hardware speed evaluations
Context-dependent and useful mainly for legacy systems and historical comparisons

Frequently Asked Questions

What does IDE (DMA mode 1) mean in data transfer?: IDE (DMA mode 1) is a direct memory access transfer mode for IDE/ATA devices allowing data moves between device and system memory with limited CPU usage, defined by specific timing protocols for moderate-speed transfers.
What is modem (28.8k) referring to?: Modem (28.8k) indicates a data transfer rate of approximately 28,800 bits per second typical of a 28.8 kbps dial-up modem transmitting data over analog telephone lines.
Why convert IDE (DMA mode 1) to modem (28.8k)?: Converting these units helps compare data transfer speeds between legacy storage hardware and classic dial-up modem rates for performance evaluation or historical study.

Key Terminology

IDE (DMA mode 1): A legacy direct memory access data transfer mode for IDE/ATA devices enabling data moves directly between storage and memory with specific timing constraints.
Modem (28.8k): An informal term for a data transfer speed of about 28.8 kilobits per second typical of 28.8k dial-up modems using telephone lines.
Direct Memory Access (DMA): A method for hardware subsystems to access system memory independently of the CPU to increase data transfer efficiency.

Quick Knowledge Check

What does IDE (DMA mode 1) primarily involve?

Serial data transmission over phone lines

Direct memory access data transfer between device and system memory

Wireless data transfer between devices

What is modem (28.8k) commonly used to describe?

Speed of modern Ethernet connections

Throughput of a 28.8 kilobits per second dial-up modem

Wireless broadband speed

Why is the conversion between IDE (DMA mode 1) and modem (28.8k) approximate?

Because both use the exact same transfer protocols

Due to differences in hardware memory access and serial network transmission technologies

Because modem speeds are always faster than IDE DMA modes

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