What Is This Tool?
This unit converter allows you to convert data transfer rates from IDE (PIO mode 3), a legacy CPU-driven transfer mode, to SCSI (Ultra-2), an advanced parallel SCSI standard with higher performance and longer cable support.
How to Use This Tool?
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Enter the value in IDE (PIO mode 3) units that you want to convert
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Choose IDE (PIO mode 3) as the input unit and SCSI (Ultra-2) as the output unit
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Click the convert button to view the equivalent amount in SCSI (Ultra-2)
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Review conversion examples to verify your results if needed
Key Features
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Converts between IDE (PIO mode 3) and SCSI (Ultra-2) data transfer units
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Uses the defined conversion rate based on theoretical maximum throughputs
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Browser-based and easy to use for quick calculations
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Supports comparisons between legacy IDE devices and modern SCSI storage
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Displays example calculations for better understanding
Examples
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5 IDE (PIO mode 3) equals 0.69375 SCSI (Ultra-2)
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10 IDE (PIO mode 3) equals 1.3875 SCSI (Ultra-2)
Common Use Cases
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Comparing data transfer speeds between legacy PATA/IDE drives and SCSI storage
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Performing compatibility and performance testing in retrocomputing
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Managing IT infrastructure where interfacing older IDE devices with SCSI peripherals is required
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Using in data center environments to evaluate storage interface capabilities
Tips & Best Practices
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Always verify your input values for accurate conversion
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Use the tool to compare theoretical maximum data transfer rates for planning and analysis
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Consider actual hardware and configuration factors when interpreting conversion results
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Utilize example values to ensure correct usage of the converter
Limitations
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Conversion is based on theoretical maximum throughput and does not reflect actual performance
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IDE (PIO mode 3) lacks DMA, which can affect transfer efficiency compared to SCSI (Ultra-2)
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Real-world factors like CPU load and cable quality are not accounted for
Frequently Asked Questions
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What is IDE (PIO mode 3)?
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IDE (PIO mode 3) is a CPU-controlled transfer mode for Parallel ATA/IDE devices, offering a theoretical maximum raw data rate of about 11.1 MB/s.
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What makes SCSI (Ultra-2) different from IDE (PIO mode 3)?
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SCSI (Ultra-2) uses Low Voltage Differential signaling, providing higher data transfer performance and supports longer cables compared to the CPU-driven IDE (PIO mode 3).
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Why convert between IDE (PIO mode 3) and SCSI (Ultra-2)?
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Users convert units to compare legacy IDE device speeds with advanced SCSI storage interfaces, aiding compatibility and performance evaluations.
Key Terminology
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IDE (PIO mode 3)
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A CPU-driven data transfer mode for Parallel ATA/IDE devices with a maximum theoretical throughput of about 11.1 MB/s.
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SCSI (Ultra-2)
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A parallel SCSI standard using Low Voltage Differential signaling for higher data transfer rates and longer cables.
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Data transfer
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The process of transferring data between storage devices or systems, measured in units like MB/s.