3.2.7 Hard Drive Cables
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Questions and Answers

What is the main advantage of newer SCSI versions compared to earlier versions?

  • They use only parallel data buses.
  • They require proprietary connectors.
  • They are incompatible with older SCSI devices.
  • They allow for longer cables and increased data transfer rates. (correct)

Which SCSI technology is most commonly associated with transferring data over TCP?

  • UAS
  • iSCSI (correct)
  • SAS
  • FCP

What type of cable is most commonly used with the Fiber Channel Protocol (FCP)?

  • Fiber cables (correct)
  • USB cables
  • Coaxial cables
  • Parallel cables

Which statement correctly describes Sequential Attached SCSI (SAS)?

<p>SAS is a serial data bus technology. (A)</p> Signup and view all the answers

What is the purpose of a small form-factor pluggable (SFP) module in SCSI connections?

<p>To facilitate connections between fiber or copper cables and devices. (C)</p> Signup and view all the answers

What is the primary function of IDE ports in older computers?

<p>To connect internal hard drives (B)</p> Signup and view all the answers

What does the term PATA stand for in the context of hard drive interfaces?

<p>Parallel Advanced Technology Attachment (B)</p> Signup and view all the answers

How many devices can be connected to a single IDE channel with two cables?

<p>Four devices (A)</p> Signup and view all the answers

What type of cable does IDE use to connect a hard drive to the motherboard?

<p>Ribbon cable (C)</p> Signup and view all the answers

Why must the ribbon cable for IDE not exceed 18 inches in length?

<p>To maintain signal integrity (D)</p> Signup and view all the answers

Which connector on an IDE cable attaches to the primary, or master, drive?

<p>Black connector (B)</p> Signup and view all the answers

What indicates the correct orientation for connecting the 40-pin connector on an IDE cable?

<p>A stripe along one side of the cable (C)</p> Signup and view all the answers

What is one of the alternative names for an IDE channel?

<p>Enhanced IDE (D)</p> Signup and view all the answers

What feature helps ensure that IDE connectors can only be attached in one direction?

<p>The absence of a pin in position 20 (C)</p> Signup and view all the answers

Which of the following describes the Molex connector?

<p>It was one of the first power connectors for hard drives. (C)</p> Signup and view all the answers

What is the maximum data transfer rate supported by SATA cables?

<p>6 gigabytes per second (C)</p> Signup and view all the answers

What distinguishes eSATA from standard SATA connections?

<p>eSATA is more suitable for external connections. (A)</p> Signup and view all the answers

Why is SCSI often used in high-performance workstations?

<p>Its architecture allows faster data access. (D)</p> Signup and view all the answers

How many pins does a SATA power supply cable typically have?

<p>15 (C)</p> Signup and view all the answers

Which of the following connectors is commonly used for older hard drives and devices?

<p>Molex connector (D)</p> Signup and view all the answers

What is a characteristic of SCSI connections?

<p>They are known for having a flat cable with 50 pins. (A)</p> Signup and view all the answers

What advantage do SATA cables offer compared to older cable types?

<p>Easier cable management due to a thinner profile. (C)</p> Signup and view all the answers

What does the term 'port multiplication' refer to in relation to SATA?

<p>Using a single SATA port to connect multiple drives (A)</p> Signup and view all the answers

What is a unique feature of eSATA connections?

<p>They allow for hot-swapping of drives (A)</p> Signup and view all the answers

Why are Molex connectors still relevant despite the introduction of newer technologies?

<p>They remain popular for older devices. (D)</p> Signup and view all the answers

What is required for a SCSI configuration to operate effectively?

<p>A SCSI device driver (B)</p> Signup and view all the answers

Flashcards

Hard Drive Interface

Different ways a hard drive connects to a computer's motherboard.

Internal Hard Drive

A hard drive that is installed inside the computer's case.

IDE (Integrated Drive Electronics)

An older technology for connecting hard drives to the motherboard.

IDE Cable

A ribbon cable with 40 pins used to connect an IDE hard drive to a motherboard.

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Ribbon Cable

A cable with wires laid flat, used in IDE connections.

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Master Drive

The primary hard drive in an IDE setup.

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Slave Drive

A secondary hard drive in an IDE setup.

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IDE Cable Length Limit

IDE cables should not exceed 18 inches to maintain signal quality.

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SCSI Connectors

Various connectors used for SCSI connections, with updated versions like SCSI-3 or Ultra SCSI having 68 or 80 pins.

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Serial Attached SCSI (SAS)

A serial data bus used for SCSI, compatible with older SCSI and SATA drives.

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Fiber Channel Protocol (FCP)

A protocol for transferring data over fiber optic cables, used for connecting switches and sometimes with copper cables for very fast transfer speeds.

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iSCSI Protocol

An internet protocol used to connect to shared storage devices over networks (local area, wide area, or internet) with greater efficiency.

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USB Attached SCSI (UAS)

SCSI technology for transferring data from USB devices (hard drives, SSDs, thumb drives) using the standard SCSI command set.

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Molex Connector

A 4-pin electrical connector, commonly used for powering older computer components like IDE hard drives, fans, and floppy drives.

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SATA Connector

Serial Advanced Technology Attachment connector, a faster data transfer standard for modern hard drives.

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SATA Cable

Connects a SATA hard drive to the motherboard using a data cable and power supply cable, allowing high-speed data transfer.

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eSATA Connector

External Serial Advanced Technology Attachment connector, allowing external connections for fast data transfer and hot-swappable drives, but needing an external power source.

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SCSI Connector

Small Computer System Interface, a high-performance interface for high-end workstations and servers.

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Data Cable

Cable that transmits data between a hard drive and the motherboard.

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Power Supply Cable

Cable that provides power to a hard drive.

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IDE Interface

Older hard drive interface technology prone to misconnections if incorrect cables are used.

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Cable Key

Plastic feature on a cable that prevents improper connection.

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Port Multiplier

Technology allowing more than one device to connect to a single port. Often present in newer technology

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Parallel Bus Interface

Early SCSI interface configuration that uses multiple data lines in parallel.

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Hot Swapping

Replacing a device while the system is running.

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Daisy Chaining

Connecting multiple devices in a line to a single connection point.

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SCSI Controller

Circuitry built into a hard drive for direct communication with the CPU/Motherboard.

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