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48 Cards in this Set
- Front
- Back
- 3rd side (hint)
The individual disks inside a traditional HDD are called what? |
Platters
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The distance between the read/write heads and the HDD disk is called what?
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Flying Height
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Hard drives store data in tiny magnetic fields called what
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Flux
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the tiny magnetic fields in an HDD can switch north/south polarity back and forth through a process called what
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Flux Reversal
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what are groups of flux reversals called?
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Runs
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What data endoding system allows any combination of ones and zeroes to be stored in a preset combination of about 15 different runs?
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RLL (Run Length limited)
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What range is the maximum run length for PRML drives?
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16 to 20 fluxes
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What are the only two technologies HDD manufacturers used to move the actuator arms?
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Stepper motor
Voice Coil |
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Which HDD technology moved the actuator arm in fixed increments?
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stepper motor
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Which HDD technology uses a permanent magnet surrounding a coil on the actuator arm?
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Voice coil
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what are the 3 critical values that define a hard drive’s geometry?
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(CHS)
1. Cylinders 2. Heads 3. Sectors per track |
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Older HDD's would spread data a little farther apart
once it got to a particular cylinder. What was this cylinder called? |
Write Precompensation Cylinder
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Older hard drives had a real problem with the fact that sectors toward the inside of the drives were much smaller than sectors toward the outside.
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What was the unused cylinder used as a “parking place” for the read/write heads of older HDD's called?
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Landing zone
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used only on stepper motor HDD's
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What type of Hard Drives use memory chips to store data instead of platters, arms etc.
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SSD (Solid State Drive)
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What are the 2 type of ATA drives?
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1. SATA
2. PATA (Older technology) |
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How many wires do a PATA ribbon cable have. (2 Sizes)
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What does the colored stripe down one side of an IDE ribbon represent?
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Pin 1
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The real layout of the CHS inside an HDD is called what?
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Physical geometry
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The "fake" CHS described to the CMOS by the onboard circuitry of an HDD was called what?
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Logical geometry
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What the name of the ATA2 extension that enabled non–hard drive devices such as CD-ROM drives and tape backups to connect to the PC via the ATA controllers?
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Advanced Technology Attachment Packet Interface (ATAPI)
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How many pins do ATAPI drives have?
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40-pins
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What new feature did ATA3 techonology introduce?
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(S.M.A.R.T.) Self-Monitoring,
Analysis, and Reporting Technology |
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what is S.M.A.R.T Techonology?
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It helps predict when a hard drive is going to fail by monitoring the hard drive’s mechanical components
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What new feature did ATA4 techonology introduce?
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Ultra DMA
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Which Ultra DMA mode transfered at 16.7 MBps?
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Mode 0
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Which Ultra DMA mode transfered at 25.0 MBps
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Mode 1
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Which Ultra DMA mode transfered at 33.3 MBps
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Mode 2
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Which Ultra DMA mode transfered at 44.4 MBps
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Mode 3
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Which Ultra DMA mode transfered at 66.6 MBps
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Mode 4 aka ATA/33
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A system with INT13 extensions can handle up to what size drives?
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137 GB
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what is the maximum length of SATA cables?
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40 Inches
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What device allows you to use a PATA drive with a SATA ribbon cable?
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SATA Bridge
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what disk-optimization feature for SATA drives enables faster read and write speeds?
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Native command queuing (NCQ)
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http://en.wikipedia.org/wiki/Native_Command_Queuing
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What is the process of connecting a device directly to another device then to another device then on and on called?
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Daisy Chaining
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The device at the end of a SCSI daisy chain must be have what setting enabled?
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Termination
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Some devices have this feature automatically enabled
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What is Raid 0
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Disk Striping
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http://www.prepressure.com/library/technology/raid
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Which level of RAID requires at least two drives, does not provide redundancy to data and if any one drive fails, all data is lost?
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RAID 0—Disk Striping
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http://www.prepressure.com/library/technology/raid
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What is RAID 1
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Disk Mirroring/Duplexing
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http://www.prepressure.com/library/technology/raid
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Which level of RAID stores data twice by writing them to both the data disk and mirror disk?
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RAID 1
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http://www.prepressure.com/library/technology/raid
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Which level of RAID data had blocks subdivided (striped) and written in parallel on two or more drives had an additional drive to store parity information?
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RAID 3
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http://www.prepressure.com/library/technology/raid
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On an ATA66 IDE cable what color is the connector that goes to the controller on the motherboard?
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Blue
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ATA 5 Cable
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On an ATA 66 IDE ribbon cable what color is the connector that goes to a Slave drive?
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Grey
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ATA 5 IDE; has 40 pins
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On an ATA66 IDE ribbon cable what color is the connector that connects to a Master drive?
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Black
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just think of 40 acres and a mule (Master / Black)
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Data is transferred to disks by independent read and write operations (not in parallel). Which level of RAID is this?
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instead of a dedicated parity disk, parity information is spread across all the drives.
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What is the maximum amount of SCSI devices can you put in a daisy chain?
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15 Devices
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Extra information that can be used to rebuild data if one of the drives in a RAID array fails are called what?
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Parity Data
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The hard drive lies to the computer about its geometry through an advanced
type of sector translation called what? |
(LBA) Logical Block Addressing
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What NTFS feature enables administrators to set limits on drive space usage for users?
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Disk Quotas
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