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Computer interface
In computing, a parallel port is a type of interface found on early computers (personal and otherwise) for connecting peripherals. The name refers to
Parallel_port
Standard for parallel peripheral interfaces, known as the Centronics port
IEEE 1284, also known as the Centronics port, is a standard that defines bi-directional parallel communications between computers and other devices, with
IEEE_1284
PIC microcontroller interface
A parallel slave port (PSP) is an interface found on some PIC microcontrollers. It allows 8-bit asynchronous bidirectional data transfer between the PIC
Parallel_slave_port
Communication interface transmitting information sequentially
bit at a time. This is in contrast to a parallel port, which communicates multiple bits simultaneously in parallel. Throughout most of the history of personal
Serial_port
External digital-to-analog audio converter
external digital-to-analog converter (DAC) that plugs into the parallel printer port of a PC. It converts 8-bit digital sound using a simple R-2R resistor
Covox_Speech_Thing
List of models of Sony's PlayStation
SCPH-750x models, except the parallel port was removed and the size of the PCB is further reduced. The removal of the parallel port is partially due to the
PlayStation_models
different types of cables, for example: Serial: RS-232, EIA-422 Parallel FireWire USB Parallel port printers have been slowly phased out, and are now difficult
Printer_cable
Method of data transmission in which bits are conveyed in parallel
connection. Complexity: Parallel data links are easily implemented in hardware, making them a logical choice. Creating a parallel port in a computer system
Parallel_communication
IBM PC compatible home computer system
memory for the computer; they omitted the RS-232 port because all Tandy printers use the parallel port and, they believed, most customers would use internal
Tandy_1000
Amateur radio VoIP technology
at parallel port) 5 Aux pin 2 (active high at parallel port) 6 Aux pin 3 (active high at parallel port) 10 DTMF 4 11 COS (active low at parallel port on
Internet Radio Linking Project
Internet_Radio_Linking_Project
Removable cartridge disk storage system
SCSI ID limited to ID 5 and 6). Parallel port external Zip drives are actually SCSI drives with an integrated Parallel-to-SCSI controller, meaning a true
Zip_drive
The Parallel Line Internet Protocol (PLIP) is a computer networking protocol for direct computer-to-computer communications using the parallel port, normally
Parallel Line Internet Protocol
Parallel_Line_Internet_Protocol
File transfer software
PCs, in an era before local area networks, using the parallel port and a LapLink cable or serial port and a null modem cable or USB and a USB ad hoc network
Laplink
Small piece of computer hardware
copying of certain forms of software. Initially using ports such as the serial port or parallel port, most are now in USB format. In the mid-to-late 2010s
Dongle
American electronics products business
MSM adds another option, a high-speed parallel port interface that supplements the programmer's serial port. In conjunction with a Windows-based PC
Data_I/O
DOS file sharing utility
and files between two interconnected computers using the serial port or parallel port. This utility first appeared on Digital Research's DR-DOS 5.0 in
Interlnk
Serial interface for testing integrated circuits
years don't have a parallel port. Driver support is also a problem because pin usage by adapters varies widely. Since the parallel port is based on 5 V logic
JTAG
First generation of Sun Microsystems computers
displays. The 16-bit parallel port was a special-purpose port for connecting 8-bit parallel port keyboard and 8-bit parallel port optical mouse for workstations
Sun-1
Notebook computer
on four standard AA cell batteries. There was an RS-232 serial port, a parallel port for connecting a printer, and a PC card socket, by means of which
Amstrad_NC100
Hardware signal sent to a processor to interrupt a running program and handle input
with serial port 4, if present) IRQ 4 – serial port controller for serial port 1 (shared with serial port 3, if present) IRQ 5 – parallel port 3 or ISA sound
Interrupt_request
Portable consumer MP3 digital audio player
playback time. Connection to a personal computer is through the computer's parallel port, with a proprietary connector on the Rio's edge. The Rio retailed for
Rio_PMP300
8-bit microprocessor
6502, and are opcode compatible, including undocumented opcodes. The parallel port was provided by using several formerly unused pins, eliminating some
MOS_Technology_6510
Topics referred to by the same term
Parallel card could mean: An insert card mostly identical to another card in the same trading card series Parallel port expansion card in a computer This
Parallel_card
Device for backing up ROM information from a video game cartridge
model MS-3201. Included an external 3.5" floppy drive and integrated parallel port. File format is *.SMC; for multi-disk images, *.SMC followed by *.001
Game_backup_device
Personal computer by Commodore
including two DE-9 ports for joysticks, mice, and light pens, a standard 25-pin RS-232 serial port and a 25-pin Centronics parallel port. As a result, at
Amiga_3000
Home video game console
system also contained several ports to its rear. In order from left to right: 9-pin male serial port, 25-pin parallel port for connection to a printer,
TeraDrive
Development and backup device made for the Nintendo 64
the data from a game cartridge and transfer the data to a PC via the parallel port. This allowed developers and homebrew programmers to upload their game
Doctor_V64
Type of electrical connector
connector because of its introduction by Centronics for use with the parallel port of printers, and is standardized as IEEE 1284 type B. Other connectors
Micro_ribbon_connector
Early portable microcomputer
character display memory Parallel printer port configurable as an IEEE-488 port RS-232 compatible 1200 or 300 baud serial port for use with external modems
Osborne_1
Expansion card standard for laptop computers
(SCPH-3000x onwards). Before the introduction of the PCMCIA card, the parallel port was commonly used for portable peripherals. The PCMCIA 1.0 card standard
PC_Card
Subnotebook sold by Gateway 2000
being in the laptop. A floppy disk was attached through a proprietary parallel port connector. A tremendous engineering effort went into the design of the
Gateway_HandBook
Topics referred to by the same term
dictionary. LPT signifies the line printer, and is the designation of a parallel port interface on some personal computer systems. LPT may refer to: Listed
LPT_(disambiguation)
Antiquated computer port
computing, a legacy port is a computer port or connector that is considered by some to be fully or partially superseded. The replacement ports usually provide
Legacy_port
Professional computer backup device
including the Jaz Traveller interface that connected it to a standard parallel port, and, later, a SCSI-USB adapter and SCSI-Firewire adapter. An ATA version
Jaz_drive
1981 American microcomputer model
Graphics Sound Mouse support Expanded memory Joystick port Additional serial or parallel ports Networking Connection to proprietary industrial or scientific
IBM_Personal_Computer
Computer serial port
9-pin COM port PCI card with two 9-pin COM ports ISA card with one 25-pin COM port Device file Parallel port "Configuring a communication port". IBM Lotus
COM_(hardware_interface)
Device that optically scans images, printed text
slow to fast: Parallel port – Connecting through a parallel port is the slowest common transfer method. Early scanners had parallel port connections that
Image_scanner
Feature of Microsoft Windows
another computer, via a connection using either the serial port, parallel port or the infrared port of each computer. It is well suited to computers that do
Direct_cable_connection
Topics referred to by the same term
Input port may refer to: Input device, a generic term for any device that provides input to a system Parallel port, a computer hardware interface Serial
Input_port
1992 personal computer
including two DE-9 ports for joysticks, mice, and light pens, a standard 25-pin RS-232 serial port and a 25-pin Centronics parallel port. As a result, at
Amiga_4000
Late 1990s portable solid state digital audio player
format by an encoder provided by the user, and then transferred via the parallel port to the docking station that connected to the portable player device
MPMan
Set of circuits of interest to radio amateurs
Deluxe PLRI interface, and is used to connect a radio to a PC using a parallel port and sound card. This circuit is fully compatible with the Version 3
Parallel Logic Radio Interface
Parallel_Logic_Radio_Interface
1986 PC-compatible microcomputer
usual Hercules mono display. Motherboard includes RS232c serial and parallel port Loudspeaker with volume control (PC speaker, not sound card) Battery-backed
Amstrad_PC1512
The Parallel Bus Interface, or PBI, is a 50-pin port found on some XL models of the Atari 8-bit computers. It provides unbuffered, direct connection to
Parallel_Bus_Interface
Series of specifications and Microsoft Windows features
commonly attached via ISA at the time of development, including RS-232 and parallel port devices. As a Windows feature, Plug and Play refers to operating system
Legacy_Plug_and_Play
1992 personal computer
including two DE9M ports for joysticks, mice, and light pens, a standard 25-pin RS-232 serial port and a 25-pin Centronics parallel port. As a result, the
Amiga_1200
Printer manufactured by C. Itoh
was succeeded by the ImageWriter in 1984. The Apple DMP is the last parallel port printer sold under the Apple label; all subsequent Apple printers (ImageWriter
Apple_Dot_Matrix_Printer
Personal computer by Commodore
floppy disk drives via a DB23F connector A standard RS-232 serial port (DB25M) A parallel port (DB25F) Power inlet (+5 V, ±12 V) Amiga video connector: Analogue
Amiga_500
Audio tracker for DOS
output via Covox's Speech Thing (a digital-to-analog converter using the parallel port) or a Sound Blaster 1.x card. The first popular version of Scream Tracker
Scream_Tracker
Computer bus system
these were a 10BASE2 Ethernet controller, a SCSI-SNS host adapter, a parallel port, and an 8-channel serial controller. The specification was published
SBus
Topics referred to by the same term
caterpillar-like creature in the Mario series of games Wiggler (JTAG), a parallel port JTAG tool from the Macraigor Systems LLC Wiggler (synchrotron), an insertion
Wiggler
Storage medium from Imation
normal floppy drive.[citation needed] SuperDisk drives have been sold in parallel port, USB, ATAPI and SCSI variants. Imation also released a version of the
SuperDisk
Series of British microcomputers by Acorn
interfaces were catered for with standard analogue inputs, a serial and parallel port, and a cassette interface that followed the CUTS (Computer Users Tape
BBC_Micro
15-pin video connector
VGA connectors, but newer digital interfaces such as DVI, HDMI, and DisplayPort (sometimes via USB or Thunderbolt) have largely displaced VGA, and modern
VGA_connector
Computer diagnostic interface card
(for laptops), Universal Serial Bus, or Low Pin Count bus, or for a parallel port. A typical card for desktop computers has a different bus interface
POST_card
Monochrome laser printer range
printers may be connected to a computer using either the serial port, parallel port or Ethernet ( for the network capable "N" series ). The LaserJet
HP_LaserJet_4000_series
Standard for computer data connections
replacing various interfaces such as serial ports, parallel ports, game ports, and Apple Desktop Bus (ADB) ports. Early versions of USB became commonplace
USB
Games console
S-Video connector User port Original C64 casing and PS2 keyboard Additional hardware Data transfer cable (Parallel port (or USB/serial port via DTV2ser) to Joystick
C64_Direct-to-TV
Tools for amateur radio sport
Most contest logging software packages support the use of a parallel port or serial port interface that connects to the keying input on amateur radio
Contesting_technology
Octart provided eight serial bus channels and a single bi-directional parallel port. The serial connections were often used to interface eight computer
Cromemco_Octart
Laptop computer made in 1987
CGA-compatible LCD. Unlike the Convertible, it includes a standard serial port and parallel port, connectors for an external monitor, and a real-time clock. Unusual
Toshiba_T1000
Oscilloscope software application
ability to save/load waveforms to disk. PicoScope is compatible with parallel port oscilloscopes and the newer USB oscilloscopes. The software has been
PicoScope_(software)
to floppy-disk, parallel port printer interface and a "magic button" (see Non-maskable interrupt), it also offered twin joystick ports, Sinclair ZX Net-compatible
DISCiPLE
High capacity floppy disk system
introduce HiFD drives. The first drives to reach the public were external parallel port models priced at $199. An internal ATA version was later offered, with
Sony_HiFD
Virtual machine software
Up to four serial ports that can be mapped to a real port, to a pipe or to an output file. Up to three bi-directional parallel ports, each of which can
Parallels_Workstation
Magnetic tape data storage system
available. Ditto external drives were connected to the parallel port and offered a print-through port which allowed a printer to operate while daisy-chained
Ditto_(drive)
1985–1998 series of personal computers
including parallel and serial ports were produced for this interface. Some of the later models include a built-in parallel port; these could be bundled with
Amstrad_PCW
Sound generation IC
same name. The AY-3-8912 is the same chip in a 28-pin package, with parallel port B simply not connected to any pins. Smaller packages save cost and board
General_Instrument_AY-3-8910
Electronic software copy protection device
the USB interface, which became the preferred choice over the serial or parallel interface.[citation needed] A 1992 advertisement for Rainbow Technologies
Software_protection_dongle
Single-board computer released in 2000
for embedded computing. The project also spun off an Open Hardware parallel port JTAG interface board and the Blob bootloader. Debian/ARM runs on LART
LART
Method of CPU communication with peripheral devices
including legacy serial ports, legacy parallel ports when not in ECP mode, keyboard and mouse PS/2 ports, legacy MIDI and joystick ports, the interval timer
Programmed_input–output
Proprietary MIDI-like electronic port
switching to the 14-pin Amphenol DDK connector vaguely resembling a parallel port. DCB was quickly replaced by MIDI in the early 1980s which Roland helped
Digital_Control_Bus
1980s Unix desktop computer
(300 mm) monitor Internal 300/1200 bit/s modem RS-232 serial port Centronics parallel port 3 S4BUS expansion slots 3 phone jacks The initial PC 7300 model
AT&T_UNIX_PC
GameCube accessory
from the original GameCube's. The accessory connects to the high speed parallel port at the bottom of the GameCube and is affixed to the system with screws
Game_Boy_Player
Low-bandwidth computer motherboard bus
Platform Module (TPM). "Legacy" I/O devices usually include serial and parallel ports, PS/2 keyboard, PS/2 mouse, and floppy disk controller. Most PC motherboards
Low_Pin_Count
English television presenter, producer, narrator and actor
Centronics in Burgess Hill, known mostly for the industry-standard 36-pin parallel port micro ribbon connector. He attended Ditchling primary school. He played
Jamie_Theakston
Series of hardware design requirements and recommendations
the system, this logic must be terminated such that software writes to I/O port 92, bit 1, do not result in A20M# being asserted to the processor." Perhaps
PC_System_Design_Guide
Removable-disk hard drive
version utilized an IDE interface, and the external version used a parallel port. The disk can store 1 GB of data. As a removable-disk hard drive, it
SyQuest_SparQ
Topics referred to by the same term
license-validation module Standard parallel port, a back-formed name for the original Centronics mode of parallel port after introduction of EPP and ECP modes
SPP
Home computer introduced in 1992
mice, and light pens, a standard 25-pin RS-232 serial port and a 25-pin Centronics parallel port. As a result, the A600 is compatible with many peripherals
Amiga_600
Early Z80-based microcomputer
workstations could be daisy-chained together via DC-37 "Chaining Adaptor" parallel ports to share the "central disk system" (one of the three hard drive peripheral
Intertec_Superbrain
American technology company
for the Speech Thing, a digital-to-analog converter that plugs into a parallel port of the IBM Personal Computer. Covox was originally based in Southern
Covox
ZX Spectrum clone developed in Moscow in 1991 by MicroArt and ATM
chips in upgraded models), 8-bit DAC, 8-bit 8-channel ADC, RS-232, parallel port, Beta Disk Interface, IDE interface, AT/XT keyboard, text mode (80x25
ATM_(computer)
Type of electrical connector
computers first used DB-25 connectors for their serial and parallel ports, when the PC serial port began to use 9-pin connectors, they were often mislabeled
D-subminiature
Personal computer by Apple Inc.
interface included a detached keyboard, a "thin button" mouse, with a parallel port for Apple ProFile external hard drive(s), and three (3) expansion slots
Apple_Lisa
Informal measure of rate of computer data operations
transfer Hard disk drive performance characteristics § Data transfer rate Parallel port Symbol rate (baud) "Mega transfer". Encyclopedia of Information Technology
Transfers_per_second
Topics referred to by the same term
Printer port is the parallel port of a computer, used by printers. The term may also refer to: Port 631, the network port used by remote printers. Macintosh
Printer_port_(disambiguation)
Software system
to lend itself to specific types of external interfaces - PCI, PCIe, Parallel port (in SPP or EPP mode), ISA, and Ethernet have been used for motor control
LinuxCNC
Removable floppy disk storage system
interface, but external drives can also be converted for use with a parallel port interface using a special adapter. Cartridges for both the original
Bernoulli_Box
Embedded system programming technique
support this port. Parallel port programming is very fast. Serial port (COM port) – At one time the most popular method. Serial ports usually lack adequate
In-system_programming
Custom chips used in Amiga computers
functions: floppy control, serial control, some parallel port status 'Odd' CIA functions: parallel port, keyboard, some floppy support, joystick/mouse
Amiga_custom_chips
Modular computer system
published in 1980. A Motorola 68000 CPU, along with memory, a parallel port controller and a serial port controller, were included on the main CPU board designed
SUN_workstation
Topics referred to by the same term
mean: Centronics, a printer company that developed the parallel port standard IEEE 1284, the parallel interface standard that superseded the Centronics interface
Centronics_(disambiguation)
NEC personal computer line
RAM (expandable to 32 KB), CRT video output, cassette port, parallel port for a printer, serial port and an expansion bus. The built-in BASIC interpreter
PC-8000_series
Open standard family of wired computer networking protocols
Early repeaters had only two ports, allowing, at most, a doubling of network size. Once repeaters with more than two ports became available, it was possible
Ethernet
Amiga add-on hardware
expansion-bus on the right side of the Amiga 1000 computer (→ Side-expansion Port). It is built around the same Intel 8088 processor, the original IBM PC/XT
Amiga_Sidecar
Class of I/O controller integrated circuits
controller An IEEE 1284-compatible parallel port (commonly used for printers) One or more 16C550-compatible serial port UART's Keyboard controller for PS/2
Super_I/O
Server computers by Digital Equipment Corporation
parallel ports share. Each parallel port, if sending data from the memory to the I/O subsystem, has a maximum bandwidth of 88 MB/s. If the parallel port
DEC 7000 AXP and DEC 10000 AXP
DEC_7000_AXP_and_DEC_10000_AXP
Desktop computer by Canon
The array of I/O interfaces encompasses one Centronics parallel port, one RS-232C serial port (DB-25), and two RJ11 telephone jacks for the modem loop
Canon_Cat
British electronics company
floppy drive) PcW10 (same as PcW9256 but with 512 KB RAM and a built-in parallel port) PcW16 (Z80, 16 MHz, single 1.44 MB 3.5" floppy drive, new machine not
Amstrad
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