What Is This Tool?
This converter helps translate data transfer units from IDE (PIO mode 2), a legacy ATA/IDE timing mode, to SCSI (Fast Ultra Wide), a parallel SCSI interface variant. It is designed to assist with comparing and understanding data transfer capabilities between older storage technologies.
How to Use This Tool?
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Enter the value in IDE (PIO mode 2) units you wish to convert.
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Select the source unit as IDE (PIO mode 2) and the target unit as SCSI (Fast Ultra Wide).
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Click the convert button to see the equivalent value in SCSI (Fast Ultra Wide).
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Review the conversion results and use them to compare legacy data transfer rates.
Key Features
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Converts data transfer units between IDE (PIO mode 2) and SCSI (Fast Ultra Wide).
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Supports legacy storage interfaces commonly used in vintage computing and enterprise archival systems.
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Simple, browser-based interface for quick conversions.
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Provides example calculations for reference.
Examples
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5 IDE (PIO mode 2) units convert to approximately 1.0375 SCSI (Fast Ultra Wide) units.
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10 IDE (PIO mode 2) units convert to approximately 2.075 SCSI (Fast Ultra Wide) units.
Common Use Cases
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Interpreting or configuring BIOS or firmware drive timing settings on older IDE drives.
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Troubleshooting performance or compatibility issues in vintage PCs or when systems revert from DMA to PIO modes.
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Migrating or comparing legacy storage configurations between ATA/IDE and SCSI devices in enterprise or archival environments.
Tips & Best Practices
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Use this converter to understand relative performance differences rather than exact throughput.
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Validate conversions by cross-referencing with device documentation or firmware reports.
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Apply conversions mainly for legacy hardware diagnostics, restoration, and data migration projects.
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Remember that actual data transfer rates depend on device implementation and signaling conditions.
Limitations
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Conversion represents relative interface transfer capabilities and does not indicate precise data rates.
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Differences in bus width, signaling methods, and device design affect actual performance outcomes.
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This conversion is specifically tailored for legacy hardware and is not applicable for modern storage technologies.
Frequently Asked Questions
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What does IDE (PIO mode 2) measure?
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IDE (PIO mode 2) defines timing specifications for CPU-driven data transfers using programmed I/O cycles on older ATA/IDE devices.
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Why convert IDE (PIO mode 2) to SCSI (Fast Ultra Wide)?
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Converting helps compare and translate legacy data transfer metrics between different storage technologies for diagnostics and system migration.
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Is the conversion rate exact data throughput?
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No, the conversion reflects relative transfer capability and not precise data throughput rates due to varying device factors.
Key Terminology
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IDE (PIO mode 2)
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An ATA/IDE interface timing mode that defines effective data transfer timing for CPU-driven programmed I/O between a host and storage device.
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SCSI (Fast Ultra Wide)
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A legacy parallel Small Computer System Interface mode providing higher data throughput through a wider bus and faster signalling.
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Data Transfer
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The process of moving data between storage devices and a host system using defined interface protocols.