What Is This Tool?
This converter translates data transfer rates from SCSI (Async), an asynchronous mode of the SCSI protocol, into the modem (110) unit representing a legacy modem bit rate of about 110 bps. It's useful for analyzing and comparing data throughput between different legacy communication methods.
How to Use This Tool?
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Enter the value in SCSI (Async) units you want to convert
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Select the target unit as modem (110)
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Click the convert button to obtain the equivalent modem (110) rate
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Use the result to analyze or benchmark legacy communication speeds
Key Features
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Converts from SCSI (Async) asynchronous data rates to modem (110) bit rates
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Supports benchmarking and troubleshooting of vintage computing and telecommunications systems
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Provides clear conversion using the formula: 1 SCSI (Async) = 109090.90909091 modem (110)
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Browser-based and easy to use for quick comparisons
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Useful for retrocomputing and protocol compatibility testing
Examples
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Converting 2 SCSI (Async) units gives 218181.81818182 modem (110)
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Converting 0.5 SCSI (Async) units gives 54545.454545455 modem (110)
Common Use Cases
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Benchmarking throughput of legacy SCSI devices operating in asynchronous mode
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Troubleshooting SCSI bus timing and handshake issues between devices
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Configuring embedded systems or retrocomputing hardware using asynchronous SCSI
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Comparing or emulating vintage modem/serial link performance
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Documenting old telemetry or serial communication links with low bit rates
Tips & Best Practices
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Verify the mode of SCSI devices before conversion to ensure accurate context
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Use conversion results as approximate comparisons rather than exact speeds
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Consider the nature of asynchronous protocols affecting real-world throughput
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Apply conversion results primarily for benchmarking or emulation purposes
Limitations
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Conversion assumes ideal transfer rates without protocol overhead or errors
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SCSI (Async) speeds depend on device and bus factors, differing from fixed modem (110) rates
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Direct equivalence is approximate and intended only for comparative use
Frequently Asked Questions
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What does SCSI (Async) mean?
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SCSI (Async) refers to an asynchronous data transfer mode of the Small Computer System Interface protocol, where data exchange relies on request/acknowledge handshakes instead of a shared clock.
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What is modem (110) used to represent?
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Modem (110) denotes a legacy modem transmission speed of roughly 110 bits per second, often used in early dial-up and teletype communication systems.
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Can the conversion between SCSI (Async) and modem (110) be exact?
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No, the conversion provides an approximate equivalence since SCSI (Async) throughput varies with device performance, while modem (110) is a fixed nominal speed.
Key Terminology
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SCSI (Async)
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An asynchronous data transfer mode of the Small Computer System Interface where data is exchanged using request and acknowledge handshakes instead of a shared clock.
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modem (110)
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A data transmission speed unit denoting approximately 110 bits per second, used by legacy dial-up and teletype communication systems.