What does SCSI (Ultra-2) represent?

SCSI (Ultra-2) is a parallel Small Computer System Interface standard using Low Voltage Differential signaling for higher data-transfer performance and longer cable lengths, mainly used for enterprise block storage devices.

What is IDE (PIO mode 1)?

IDE (PIO mode 1) is a Programmed Input/Output transfer mode for legacy Parallel ATA devices where the CPU controls data transfers, offering low to moderate throughput with higher CPU overhead.

Why convert between SCSI (Ultra-2) and IDE (PIO mode 1)?

Users convert between these units to compare data transfer rates between enterprise and legacy systems, assist in firmware development, perform diagnostics, or benchmark vintage computing platforms.

How to Convert from SCSI (Ultra-2) to IDE (PIO mode 1)?

Convert data transfer rates from SCSI (Ultra-2) to IDE (PIO mode 1) using this online unit converter. Understand differences, use cases, and conversion examples between these storage interfaces.

SCSI (Ultra-2)

IDE (PIO mode 1)

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

SCSI (Ultra-2) to IDE (PIO mode 1) Conversion Table

SCSI (Ultra-2)	IDE (PIO mode 1)

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.

SCSI (Ultra-2) to IDE (PIO mode 1) Conversion Table
SCSI (Ultra-2)	IDE (PIO mode 1)

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What Is This Tool?

This online tool converts data transfer measurements from SCSI (Ultra-2), a high-performance parallel Small Computer System Interface standard, to IDE (PIO mode 1), a CPU-controlled Programmed Input/Output transfer mode for legacy Parallel ATA devices. It helps users translate rates between enterprise-level and legacy storage interfaces.

How to Use This Tool?

Enter the value representing the amount in SCSI (Ultra-2) data transfer units
Select SCSI (Ultra-2) as the source unit and IDE (PIO mode 1) as the target unit
Click the convert button to obtain the equivalent IDE (PIO mode 1) value
Review the output to compare or translate data transfer speeds between storage interfaces

Key Features

Convert data transfer units between SCSI (Ultra-2) and IDE (PIO mode 1) quickly and accurately
Provides conversions based on established theoretical throughput equivalences
Includes examples to illustrate typical conversions
Supports diagnostic and benchmarking use cases for legacy and enterprise storage hardware
Browser-based and easy to use without requiring installation

Examples

1 SCSI (Ultra-2) = 15.38 IDE (PIO mode 1)
4 SCSI (Ultra-2) = 61.54 IDE (PIO mode 1)

Common Use Cases

Comparing data transfer rates between enterprise SCSI systems and legacy PATA devices
Developing or debugging firmware and device drivers requiring CPU-driven PIO transfers
Benchmarking data transfer behavior on vintage or embedded systems using PIO modes
Diagnosing legacy PATA hard drives and optical drives in older computers or industrial equipment

Tips & Best Practices

Understand that the conversion is based on theoretical throughput, not exact performance
Use the tool mainly for comparison, diagnostics, or benchmarking purposes
Consider overhead and protocol differences when interpreting results
Cross-check data transfer speeds with actual hardware performance where possible

Limitations

Conversion reflects theoretical equivalence and may not consider real-world overhead or efficiencies
Different protocols and CPU usage can cause deviations in actual performance
Not intended for precise performance prediction but rather for comparative analysis

Frequently Asked Questions

What does SCSI (Ultra-2) represent?: SCSI (Ultra-2) is a parallel Small Computer System Interface standard using Low Voltage Differential signaling for higher data-transfer performance and longer cable lengths, mainly used for enterprise block storage devices.
What is IDE (PIO mode 1)?: IDE (PIO mode 1) is a Programmed Input/Output transfer mode for legacy Parallel ATA devices where the CPU controls data transfers, offering low to moderate throughput with higher CPU overhead.
Why convert between SCSI (Ultra-2) and IDE (PIO mode 1)?: Users convert between these units to compare data transfer rates between enterprise and legacy systems, assist in firmware development, perform diagnostics, or benchmark vintage computing platforms.

Key Terminology

SCSI (Ultra-2): A parallel SCSI standard using Low Voltage Differential signaling for higher data transfer and longer cable support in enterprise storage.
IDE (PIO mode 1): A CPU-controlled Programmed Input/Output transfer mode for legacy Parallel ATA devices, defined by ATA standards with moderate throughput.
Data Transfer: The process of moving data between devices or components measured in transfer rate units.

Quick Knowledge Check

Which signaling method does SCSI (Ultra-2) use?

Single-ended signaling

Low Voltage Differential signaling

Optical signaling

What controls data transfer cycles in IDE (PIO mode 1)?

The device firmware

The host CPU

The DMA controller

What is a common use case for converting SCSI (Ultra-2) to IDE (PIO mode 1)?

Translating network protocols

Benchmarking vintage or embedded systems

Converting file formats

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