What Is This Tool?
This tool allows users to convert data transfer rates from IDE (UDMA mode 1) to SCSI (Sync). It supports legacy storage technology conversions, aiding in benchmarking, configuration, and performance comparison for older PATA and SCSI hardware.
How to Use This Tool?
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Enter the value in IDE (UDMA mode 1) transfer units you wish to convert
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Select the target unit as SCSI (Sync) to convert the rate accordingly
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Click convert to view the equivalent transfer speed in the SCSI (Sync) format
Key Features
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Supports conversion between IDE (UDMA mode 1) and SCSI (Sync) data transfer rates
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Based on established conversion rates relevant to vintage and legacy storage devices
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Browser-based and easy to use with straightforward input and output
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Helps compare theoretical throughput values across different storage transfer protocols
Examples
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Convert 2 IDE (UDMA mode 1) units: 2 × 5 = 10 SCSI (Sync)
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Convert 0.5 IDE (UDMA mode 1) units: 0.5 × 5 = 2.5 SCSI (Sync)
Common Use Cases
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Diagnosing BIOS or transfer settings on older PATA drives using UDMA modes
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Benchmarking expected maximum throughput of vintage IDE hard disks
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Configuring or troubleshooting compatibility issues in legacy storage systems
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Assessing transfer speeds for legacy SCSI devices including synchronous modes
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Analyzing storage performance in archival facilities and data centers with vintage hardware
Tips & Best Practices
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Use this converter primarily for legacy devices like older PATA and SCSI storage
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Cross-check conversions for benchmarking to understand theoretical versus actual throughput
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Interpret conversion results with consideration of device condition and configuration overhead
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Avoid applying this conversion to modern interfaces such as SATA, SAS, or NVMe
Limitations
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The conversion reflects theoretical maximum data rates and actual speeds may differ
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A fixed conversion ratio does not account for specific SCSI negotiated parameter variations
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This tool is intended for legacy hardware and not suitable for modern storage interfaces
Frequently Asked Questions
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What does IDE (UDMA mode 1) represent?
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IDE (UDMA mode 1) is an Ultra DMA transfer mode in the Parallel ATA (IDE) interface, providing a theoretical maximum raw transfer rate around 25 MB/s typically used with older PATA devices.
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What is SCSI (Sync) mode?
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SCSI (Sync) refers to a synchronous transfer mode in the SCSI protocol where data transfer is locked to a negotiated clock, allowing for higher throughput and consistent timing compared to asynchronous transfers.
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Why convert from IDE (UDMA mode 1) to SCSI (Sync)?
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Conversion enables comparison and translation of transfer rates between older PATA interfaces and synchronous SCSI modes, useful for benchmarking, configuration, or troubleshooting legacy storage hardware.
Key Terminology
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IDE (UDMA mode 1)
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A Parallel ATA transfer mode with a theoretical maximum raw transfer rate of about 25 MB/s used in older PATA devices.
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SCSI (Sync)
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A synchronous data transfer mode of the SCSI protocol where data moves in sync with a negotiated clock between initiator and target.
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Data Transfer Rate
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The speed at which data is transmitted from one device to another, often measured in bytes per second.