What Is This Tool?
This converter helps you translate data transfer rates from IDE (UDMA mode 1), a Parallel ATA transfer mode, to SCSI (Fast), a parallel SCSI standard. It is especially useful for working with legacy storage systems and vintage computing environments.
How to Use This Tool?
-
Enter the value in IDE (UDMA mode 1) data transfer units.
-
Select IDE (UDMA mode 1) as the from-unit and SCSI (Fast) as the to-unit.
-
Run the conversion to get the equivalent SCSI (Fast) rate.
Key Features
-
Converts data transfer rates between IDE (UDMA mode 1) and SCSI (Fast).
-
Supports legacy storage interface rates for troubleshooting and benchmarking.
-
Provides quick translation for vintage and industrial applications.
Examples
-
2 IDE (UDMA mode 1) equals 5 SCSI (Fast)
-
0.4 IDE (UDMA mode 1) equals 1 SCSI (Fast)
Common Use Cases
-
Diagnosing BIOS and drive transfer settings on vintage PCs using PATA drives.
-
Benchmarking expected maximum throughput of older IDE hard disks.
-
Integrating or troubleshooting legacy RAID or disk-array systems using parallel SCSI.
-
Connecting legacy storage devices in industrial or laboratory environments.
Tips & Best Practices
-
Ensure correct unit selection to avoid conversion errors.
-
Use this tool for legacy hardware settings and not for modern interfaces.
-
Consult device documentation to confirm appropriate transfer modes.
Limitations
-
Both IDE (UDMA mode 1) and SCSI (Fast) are legacy technologies and may not reflect actual sustained speeds.
-
Real-world throughput can be affected by aging hardware, cable quality, and system overhead.
-
Compatibility and differing protocols might impact data transfer performance.
Frequently Asked Questions
-
What does IDE (UDMA mode 1) represent?
-
It is an Ultra DMA transfer mode of the Parallel ATA interface that allows a theoretical raw transfer rate of about 25 MB/s, used mainly in older PATA devices.
-
How does Fast SCSI differ from classic SCSI?
-
Fast SCSI is an enhanced parallel SCSI bus standard that roughly doubles the original 8-bit SCSI throughput to about 10 MB/s by improving timing and signaling.
-
Why convert data rates between IDE (UDMA mode 1) and SCSI (Fast)?
-
Users convert to compare or translate data transfer rates when working with legacy systems for troubleshooting, benchmarking, or integration purposes.
Key Terminology
-
IDE (UDMA mode 1)
-
A legacy Ultra DMA transfer mode for Parallel ATA interfaces providing up to about 25 MB/s transfer rate.
-
SCSI (Fast)
-
A parallel SCSI bus enhancement that roughly doubles classic 8-bit SCSI throughput to about 10 MB/s.
-
Data Transfer Rate
-
The speed at which data is moved between devices, often measured in megabytes per second (MB/s).