SpinPoint Barracuda Series, Product Manual

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Barracuda Product Manual Rev04
85
CHAPTER 10 GLOSSARY
The following contains useful acronyms or abbreviations described in this manual.
Abbreviation Description
AAM Automatic Acoustic Management
AGC Automatic Gain Control
ASC Asymmetry Correction Circuit- refers to amplitude symmetry correction
ATA Advanced Technology Attachment
Bit lowest count of information (8 bits= 1 Byte)
BPI Bits per lineal inch
Byte 8 bits of data
CHS Cylindrical Head Sector
dB Decibel
DMA Direct Memory Access
ECC Error Correction Code
FCI Flux change per lineal inch (magnetic transitions)
FIR Finite Impulse Response
GB Giga byte (1 billion bytes of data)
Hz Hertz (cycle/ sec)
IDE Integrated Drive Electronics
KB 1,000 bytes of data
Lb Weight in pounds
LBA Logical block address
M Meter (39.37")
mA (.001 Ampere)
Mb/s 1 million of bits of data transferred in a given second
MB/s 1 million bytes of data transferred in a given second
MTBF Mean time between failure
MTTF Mean time to failure
mV (.001 volt)
ns (1 billionth of a second)
PIO Programmed I/O, a method of transferring data between two devices
This uses the computer’s main processor as part of the data path.
PRML Partial Response Max. Likelihood encoding to increase linear density.
RPM revolution per minute
SATA Serial Advanced Technology Attachment
SMART Self monitoring Analyzing Reporting Technology
TPI Tracks Per Inch
V Volt
W Watts
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