What Is This Tool?
This unit converter allows you to transform data transfer rates from IDE (UDMA mode 0), an interface used in older Parallel ATA devices, into equivalent values expressed in SCSI (Fast Ultra Wide) units, a legacy parallel Small Computer System Interface variant offering higher throughput than earlier SCSI modes.
How to Use This Tool?
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Enter the numeric data transfer value in IDE (UDMA mode 0) units
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Select the target unit as SCSI (Fast Ultra Wide)
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Click the convert button to see the result instantly
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Review output to compare interface performance or support troubleshooting
Key Features
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Converts data transfer rates between IDE (UDMA mode 0) and SCSI (Fast Ultra Wide)
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Supports comparison of legacy PATA/IDE and parallel SCSI interface speeds
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Provides clear output suitable for diagnostics and system migration planning
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Browser-based and easy to use with simple inputs
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Includes example conversions to guide users
Examples
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2 IDE (UDMA mode 0) equals 0.83 SCSI (Fast Ultra Wide)
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5 IDE (UDMA mode 0) equals 2.075 SCSI (Fast Ultra Wide)
Common Use Cases
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Assessing throughput capabilities of legacy PATA/IDE hard drives and optical drives
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Troubleshooting DMA timing issues in BIOS or drivers for older hardware
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Comparing transfer performance for system upgrades from PATA to other interfaces
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Managing storage enclosures and arrays in environments using parallel SCSI
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Planning migrations between older server and workstation storage configurations
Tips & Best Practices
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Use this converter to estimate interface speed differences for legacy storage devices
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Consider the conversion as an approximation—you may need to verify with device-specific performance tests
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Use conversion results to aid in troubleshooting compatibility or throughput concerns
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Keep in mind the tool focuses on legacy interfaces and may not represent modern storage technologies
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Review multiple conversion examples to understand typical transfer rate comparisons
Limitations
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Applies primarily to legacy parallel ATA and SCSI interfaces, not modern storage standards
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Conversion rates represent nominal maximum transfer capabilities, not guaranteed sustained speeds
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Actual performance varies with hardware condition, protocol overhead, and device-specific factors
Frequently Asked Questions
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What does IDE (UDMA mode 0) represent in data transfer?
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IDE (UDMA mode 0) defines a transfer mode for Parallel ATA devices with a nominal maximum raw data transfer rate of about 16.7 megabytes per second.
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What is SCSI (Fast Ultra Wide) used for?
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SCSI (Fast Ultra Wide) is a legacy parallel interface used to connect storage devices like hard drives and tape libraries, offering higher throughput through a wider data bus and faster signalling.
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Can this converter be used for modern storage technologies?
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No, this conversion tool is intended for legacy interfaces and may not reflect the performance or standards of modern storage hardware.
Key Terminology
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IDE (UDMA mode 0)
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An Ultra DMA transfer mode for Parallel ATA devices defining interface timing with a nominal maximum transfer rate of about 16.7 MB/s.
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SCSI (Fast Ultra Wide)
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A legacy parallel Small Computer System Interface variant using a wider data bus and faster signalling to achieve higher sustained throughput.
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Parallel ATA (PATA/IDE)
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An older interface standard for connecting storage devices such as hard drives and optical drives using parallel data transfer.
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DMA (Direct Memory Access)
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A capability allowing devices to transfer data to/from memory without continuous CPU intervention.