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The difference between SCSI Cable and IDE Cable

Views: 32     Author: Site Editor     Publish Time: 2022-11-14      Origin: Site

SCSI Cable and IDE Cable are used to connect computer devices and interfaces. People often compare them. IDE is a later interface and wire compared to SCSI. SCSI is an upgrade. In this article, we will share the knowledge of SCSI Cable and IDE Cable, so you can compare the difference between them.

type of scsi cable


SCSI Cable

History

Around the 1970s, as the need for physical and logical interfaces between peripherals and computers emerged, Shugart Associates introduced the SASI (Shugart Associates System Interface). This interface device served as a bridge between hard drives and computers. This 50-pin flat ribbon connector was sold commercially as SCSI-I.


This interface standard, often referred to as "scuzzy," was supported by many of the electronics and hardware industry leaders of the time. Since then, various versions of SCSI have been released, and although it is now considered more or less obsolete, some low-end personal computers still use them because of their low cost and the ATA HDD standard.


Building and working

The first SCSI used a 50-pin flat ribbon connector. SCSI boards were typically the size of a hard disk and were physically mounted. While early SCSI was a parallel interface, current SCSI interfaces perform communication via serial communication. Serial SCSI provides faster transfers than parallel SCSI.


The SCSI can either be physically mounted on the motherboard or implemented using a plug-in adapter. Although SATA has effectively ruled out any modern computer system with SCSI provisions, separate interfaces for motherboards that do not support SCSI are still available on the market. However, they will eventually be phased out before long.


Storage

SCSI allows the connection of up to 7 - 15 (depending on the bus width) devices. This allows all devices to be on the same board rather than buying different boards for different devices. This increases the cost as well as the complexity inside the CPU.


Speed

Current SCSI can transfer up to 80 megabytes/second and supports fiber optic cable, IEEE, and SSP. Modern SCSI devices are backward compatible, meaning that if an older device is connected, SCSI will still support it, although the transfer speed may be affected.


Price and utility

SCSI has historically been a burden on pockets. Its new version doesn't make it any more comfortable. Considering that there are at least 10 different (3 new-age) SCSI varieties on the market today, choosing the right one and hoping that the SCSI standard won't be obsolete soon is daunting. However, what is suitable for SCSI is that it supports a wide range of devices, from dot matrix printers to scanners, plotters, and modern keyboards and mice.


IDE Cable

History

IDE was developed by Western Digital Electronics in conjunction with Control Data Corporation and Compaq Computers and was introduced in 1986. It has evolved a lot since then. By the mid-1990s, IDE-enabled ATA drives almost outnumbered SCSI-enabled devices. Western Digital's embedded hard drives with the IDE platform were all the rage, eliminating not only the competition but also the outdated SCSI model of device interfaces. IDE is widely known for its parallel data transfer method.


Build and Work

IDEs originally came with 40-pin and 80-ribbon cables. While some of these are still in use, modern IDEs with 28 pins can be found in most machines. PATA transfers 16 bits at a time and must work on a plug-and-play basis.


Circular parallel ATA cables appeared in the late 90s when assembling computers and modifying CPU chassis became routine. These cables provided flexibility and better cooling.


Storage

PATA allows two devices to be connected per channel.


Speed

The latest version allows 133 MB/sec in burst mode.


Price and utility

The successor of SCSI, PATA, has been very successful due to its low price and better price-performance credentials. The PATA interface is still primarily used in large industrial setups.


Although the application of SCSI cable in the computer equipment market today has been gradually reduced, in some large projects, such as aerospace and large base stations, SCSI Cable still has a vital role if you need to custom SCSI Cable, welcome to contact the professional SCSI cable manufacturers - Maojia.


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