What Is This Tool?
This converter helps translate data transfer rates from the SCSI (Fast Wide) interface mode to the IDE (DMA mode 2) protocol. It is designed for legacy computing environments where comparing throughput between these two storage technologies is essential.
How to Use This Tool?
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Enter the data transfer rate value in SCSI (Fast Wide) units
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Select SCSI (Fast Wide) as the from-unit
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Choose IDE (DMA mode 2) as the to-unit
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Click convert to get the equivalent data transfer rate in IDE (DMA mode 2)
Key Features
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Converts data transfer rates between SCSI (Fast Wide) and IDE (DMA mode 2)
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Supports legacy storage and interface standards
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Browser-based and easy-to-use interface
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Provides theoretical transfer rate equivalences for comparison
Examples
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1 SCSI (Fast Wide) equals approximately 1.2048 IDE (DMA mode 2)
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5 SCSI (Fast Wide) converts to about 6.0241 IDE (DMA mode 2)
Common Use Cases
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Comparing data transfer rates of legacy SCSI interfaces and IDE DMA modes
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Optimizing performance in older servers and workstations
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Troubleshooting throughput issues involving legacy SCSI and IDE storage devices
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Supporting data recovery and hardware diagnostics in legacy systems
Tips & Best Practices
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Use this tool to assist with diagnostics and performance tuning on legacy hardware
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Verify the actual device and cable quality to understand real throughput differences
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Keep in mind negotiation and environmental factors that affect transfer speeds
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Cross-check with hardware manuals or BIOS/firmware settings for accuracy
Limitations
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The conversion is based on theoretical maximum throughput, not accounting for real-world overhead
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Actual transfer speeds depend on implementation details like cable quality and signal integrity
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Device negotiation and bus arbitration impact effective performance beyond this conversion
Frequently Asked Questions
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What does converting from SCSI (Fast Wide) to IDE (DMA mode 2) mean?
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It means translating the data transfer rates from a SCSI-2 interface mode with a wide 16-bit bus to the comparable rates used by IDE devices operating in Multiword DMA mode 2.
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Why is this conversion useful?
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It helps compare legacy storage interfaces, optimize performance, troubleshoot throughput problems, and support maintenance of older systems that use either SCSI or IDE connections.
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Does this conversion reflect actual device performance?
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No, it represents theoretical maximum speeds and does not factor in real-world conditions such as cable quality, environmental factors, or device negotiations.
Key Terminology
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SCSI (Fast Wide)
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A SCSI-2 mode combining 10 MHz Fast timing with a 16-bit wide bus, yielding up to 20 MB/s theoretical throughput.
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IDE (DMA mode 2)
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A Parallel ATA data-transfer mode that enables devices to move data directly to and from system memory with less CPU involvement.
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Data Transfer Rate
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The speed at which data can be moved from one device or interface to another, often measured in megabytes per second.