What Is This Tool?
This converter helps you translate data transfer rates from IDE (UDMA-66), a legacy Parallel ATA transfer mode, to USB, a widely used serial interface standard. It's ideal for comparing throughput between older PATA devices and modern USB connections.
How to Use This Tool?
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Enter the value in IDE (UDMA-66) units you want to convert.
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Select IDE (UDMA-66) as the input unit and USB as the output unit.
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Click convert to obtain the equivalent value in USB units.
Key Features
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Converts data transfer units between IDE (UDMA-66) and USB.
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Supports device compatibility and performance evaluation.
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Provides quick calculations with user-friendly interface.
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Useful for hardware diagnostics and system upgrades.
Examples
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2 IDE (UDMA-66) equals 88 USB.
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0.5 IDE (UDMA-66) equals 22 USB.
Common Use Cases
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Comparing data transfer rates between legacy PATA drives and USB devices.
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Evaluating hardware compatibility and transfer performance for upgrades.
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Interpreting benchmarks and troubleshooting IDE to USB system interactions.
Tips & Best Practices
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Use this tool for theoretical approximations rather than precise measurements.
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Verify transfer modes and interface specifications when evaluating device performance.
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Consider protocol overhead and device generation differences when comparing results.
Limitations
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Conversions are theoretical and approximate due to protocol overhead and hardware differences.
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USB's varying nominal link-layer speeds across generations affect actual transfer rates.
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Unit definitions differ—IDE (UDMA-66) uses raw data rate, USB uses nominal signaling rates.
Frequently Asked Questions
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What does IDE (UDMA-66) represent?
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IDE (UDMA-66) is a Parallel ATA transfer mode defining a maximum theoretical raw data rate of 66.7 megabytes per second, used with legacy PATA devices.
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What is USB used for?
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USB is an industry-standard serial interface for data communication and power delivery between host devices and peripherals.
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Can this tool provide exact transfer speeds?
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No, due to overheads and hardware differences, the tool gives approximate conversions rather than exact speeds.
Key Terminology
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IDE (UDMA-66)
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A Parallel ATA transfer mode specifying a maximum data rate of 66.7 MB/s used for legacy PATA storage devices.
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USB
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An industry-standard serial interface and protocol for data communication and power delivery between hosts and peripherals.
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Conversion Rate
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The factor used to translate values between IDE (UDMA-66) and USB units, here 1 IDE (UDMA-66) equals 44 USB.