Abbreviations

Here a lists of abbreviations used in this developer note.

In this section:

Abbreviations and Standard Units
Other Abbreviations

Abbreviations and Standard Units

Standard units of measure used in this note include:

A	amperes	MB	megabytes
dB	decibels	Mbps	megabits per second
GB	gigabytes	Mbits	megabits
Hz	hertz	MHz	megahertz
KB	kilobytes	mm	millimeters
kg	kilograms	ns	nanoseconds
kHz	kilohertz	V	volts
mA	milliamperes	VDC	volts direct current
mAh	milliampere-hours

Other Abbreviations

Other abbreviations used in this note include:

10Base-T	an Ethernet standard for data transmission at rates up to 10 Mbits per second
100Base-T	an Ethernet standard for data transmission at rates up to 100 Mbits per second
1000Base-T	an Ethernet standard for data transmission at rates up to 1000 Mbits per second
AGP	accelerated graphics port
AIM	ATA Interface Module
ANSI	American National Standards Institute
API	application programming interface
ASIC	application-specific integrated circuit
ATA	AT attachment
CAS	column address strobe, a memory control signal
CD	compact disc
CD-ROM	compact disc read-only memory
CLV	constant linear velocity
CPU	central processing unit
CRT	cathode ray tube, a video display device
DAA	data access adapter (a telephone line interface)
DAC	digital-to-analog converter
DDC	display data channel
DIMM	Dual Inline Memory Module
DB-DMA	descriptor-based direct memory access
DDK	device developer’s kit
DDR	double data rate, a type of SDRAM
DFS	dynamic frequency shift
DMA	direct memory access
DVI	Digital Visual Interface
EDO	extended data out
EHCI	Enhanced Host Controller Interface — USB 2.0 controller standard
EIDE	enhanced integrated device electronics
G4	Generation 4, the fourth generation of PowerPC microprocessors, incorporating AltiVec technology
GND	ground
HFS	hierarchical file system
HCRP	hardcopy cable replacement profiler
HID	human interface device, a class of USB devices
IC	integrated circuit
IDE	integrated device electronics
IEC	International Electrotechnical Commission
IIC	inter-IC control bus
IIS	inter-IC sound bus
I/O	input and output
ISM	industrial, scientific, and medicine
ISO	International Organization for Standardization
JEDEC	Joint Electron Device Engineering Council
L1	level 1 or first level, a type of CPU cache
L2	level 2 or second level, a type of CPU cache
LED	light emitting diode
Mac OS	Macintosh Operating System
MDI	Medium Dependent Interface
MDI-X	Medium Dependent Interface with Cross-Over
modem	modulator-demodulator, a data communications interface for use with analog telephone lines
NMI	nonmaskable interrupt
NOP	no operation
NVRAM	nonvolatile random-access memory
OFDM	orthogonal frequency-division multiplexing
OHCI	Open Host Controller Interface — USB 1.1 controller standard
OS	operating system
PCI	Peripheral Component Interconnect, an industry-standard expansion bus
PLL	phase-locked loop
RADIUS	Remote Authentication Dial-In User Service
RAM	random-access memory
RCA	Radio Corporation of America
rms	root mean square
ROM	read-only memory
SBP	Serial Bus Protocol
SCSI	Small Computer System Interface
SDK	software developer’s kit
SDR	Single Data Rate
SDRAM	synchronous dynamic RAM
SNR	signal to noise ratio
SO-DIMM	Small Outline Dual Inline Memory Module
SPD	Serial Presence Detect, a feature of the SO-DIMM
TMDS	transition minimized differential signaling
USB	Universal Serial Bus, an industry-standard expansion bus
VCC	positive supply voltage (voltage for collectors)
VPN	virtual private network
WEP	Wired Equivalent Privacy
Wi-Fi	Logo used by the Wireless Ethernet Compatibility Alliance for certification of interoperability of 802.11 products
WLAN	wireless LAN
ZCLV	zone constant linear velocity

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