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Abbreviations
A
Ampere
ac
alternating current
AM
Address Mark
AWG
American Wire Gauge
CA
Cylinder Address
CRC
Cyclic Redundancy Check
dc
direct current
DE
Disk Enclosure
DIP
Dual-inline-packaged
DKC
Disk Controller
DKU
Disk Unit
ECC
Error Correction Code
EOR
End of Record
GND
Ground
HA
Head Address
HEX
Hexadecimal
1GB
Inner Guard Band
I/O
Input/Output
LED
Light emitting diode
m
meter
MB
Megabyte
MFM
Modified Frequency Modulation
MHz
Megahertz
mm
Millimeter
ms
Millisecond
mV
Millivolt
MTBF
Mean Time Between Failures
MTTR
Mean Time to Repair
NRZ
N on-Return-to-Zero
ns
Nanosecond
OGB
Outer Guard Band
PCB
Printed Circuit Board
PLO
Phase Locked Oscillator
RMS
Root-Mean-Square
ROM
Read only memory
RPM
Revolutions per Minute
R/W
Read/Write
SA
Sector Address
TTL
Transistor/Transistor Logic
V
Volt
f.ls
microsecond
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