Podcast
Questions and Answers
What does PATA stand for?
What does PATA stand for?
What type of cable was the original PATA cable?
What type of cable was the original PATA cable?
Which of the following devices could connect to PATA?
Which of the following devices could connect to PATA?
What is the purpose of increasing the number of wires in the 80 wire PATA cable compared to the 40 wire version?
What is the purpose of increasing the number of wires in the 80 wire PATA cable compared to the 40 wire version?
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What was the initial term used for PATA before it was recognized as such?
What was the initial term used for PATA before it was recognized as such?
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How does the connection order differ between the 40 wire cable and the 80 wire cable in PATA?
How does the connection order differ between the 40 wire cable and the 80 wire cable in PATA?
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Which company coined the term IDE?
Which company coined the term IDE?
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What is the maximum throughput for PATA connections?
What is the maximum throughput for PATA connections?
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What is the primary characteristic of the PATA connector that ensures proper cable orientation?
What is the primary characteristic of the PATA connector that ensures proper cable orientation?
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Which statement is true regarding the size of PATA and SATA connectors?
Which statement is true regarding the size of PATA and SATA connectors?
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What makes the PATA connector a legacy technology?
What makes the PATA connector a legacy technology?
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What feature assists in ensuring the proper connection of the PATA cable?
What feature assists in ensuring the proper connection of the PATA cable?
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How does the design of the PATA cable contribute to avoiding incorrect connections?
How does the design of the PATA cable contribute to avoiding incorrect connections?
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Study Notes
PATA (Parallel ATA) Storage Devices
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PATA, also known as Parallel ATA or IDE (Integrated Drive Electronics), connects storage devices like hard drives and CD/DVD-ROMs to computers using ribbon cables.
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The name "AT Attachment" comes from the IBM PC/AT, which used the AT attachment standard for connecting drives.
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PATA speeds ranged from 16 MB/s to 133 MB/s.
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PATA cables come in 40- and 80-wire versions.
PATA Cable Differences
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40-wire cables:
- Device 0 is connected to the first device, and device 1 at the end.
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80-wire cables:
- Device 1 is connected to the first device, and device 0 at the end.
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80-wire cables were introduced to reduce crosstalk at higher speeds. They have twice as many wires as 40-wire cables.
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The 40-pin PATA connector on the motherboard is symmetrical, with one pin missing to avoid incorrect cable orientation. A notch on the connector aids with proper installation.
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Each end, whether on a storage device or the motherboard, has the same 40-pin symmetrical connector with the missing pin and notch for proper orientation.
PATA vs SATA
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PATA is legacy technology, uncommon in modern systems.
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SATA cables are significantly smaller than PATA cables, taking up less space.
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Description
Explore the essentials of PATA (Parallel ATA) storage devices, their speed capabilities, and the differences between 40-wire and 80-wire cables. Understand how these cables connect hard drives and CD/DVD-ROMs to computers, and learn about their importance in reducing crosstalk at higher speeds.
