
	Where results make sense

Topic: IBM PC keyboard

Related Topics

Windows key

Keyboard Layout

Computer keyboard

Alphanumeric keyboard

Caps lock

Control key

Dvorak keyboard

Touch typing

QWERTY

IBM PC

Keyboard plaque

Computer console

PC DOS

Microsoft Windows

Intel 8048

	ED-IT PC: Keyboard Requirements
		IBM changed the way keyboards behave by specifying that the IBM PC keyboard would be "down/up" encoded with all keys treated equally.
		Given the "down/up" nature of the IBM PC keyboard, six-key braille entry is a snap: a program, such as Braille2000 merely has to listen to the "down" and "up" messages and to interpret clusters of "down" messages (for the key-numbers for the SDF JKL keys) as cells.
		Thus, some keyboard designs remain true to the original IBM PC standard (and are by that design great for braille entry) while others, though not with n-key rollover are quire satisfactory for six-key inputs, while the majority it seems, are not satisfactory at all.
	www.braille2000.com /brl2000/KeyboardReq.htm (0 words)

	PIN-OUT: 5 Pin PC Keyboard
		This signal is sent from the keyboard to synchronise the data signal.
		Keyboard scan codes are sent from the keyboard to the computer on this single wire serially.
		This is a common ground signal used as a return path for data and is a reference to logical 0.
	www.technick.net /public/code/cp_dpage.php?aiocp_dp=pinconkey_pc_5 (166 words)

	IBM PC
		IBM PCs (IBM Personal Computers) and compatible models from other vendors are the most widely used computer systems in the world.
		The original 1981 IBM PC's keyboard was severely criticised by typists for its non-standard placement of the return and left shift keys.
		The original IBM PC used the 7 bit ASCII alphabet as the basis, but in addition this was extended to am 8 bit somewhat haphazardly collected set of characters unique for the IBM PC.
	www.ebroadcast.com.au /lookup/encyclopedia/ib/IBMPC.html (1105 words)

	[No title]
		The keyboard may also be required to return a whole byte/bytes to the controller depending upon the data that was sent by the controller to the KEYBOARD.
		A little background on the IBM AT keyboard: The keyboard I used for this circuit was a BTC 5339sx.
		The problem with the IBM-PC keyboard is that it uses a bidirectional protocol with both the PC's on-board 8741 (or equivalent) keyboard controller single-chip microprocessor and the keyboard toggling the clock line and exchanging pulses and scan codes with relatively strict timing requirements.
	www.hth.com /filelibrary/TXTFILES/keyboard.txt (0 words)

	[No title] (Site not responding. Last check: )
		The PC keyboard is a capacitive device, that is, its internal circuitry detects each keystroke by a change in the capacitive potential of a wire matrix the keys are mounted on.
		This is detected by the keyboard logic circuitry as a change in capacitive potential and the appropriate scan code is sent to the 8088 bus, to be processed.
		Remove the bottom panel from the keyboard and disconnect the Berg connector that holds the keyboard cable to the circuit board inside the unit.
	www.textfiles.com /computers/cleankey.txt (1461 words)

	Keyboard Modification
		Many individuals with a disability can use a standard IBM PC keyboard but may be under the constrint of typeing with one hand, with only one or two fingers, with a head pointer, mouthstick or handstick or with poor motor control.
		The keyboards contain their own microprocessor to provide additional features such as adjustable delay to accept a key, adjustable delay before repeat, adjustable repeat rate and firmware latching on Caps lock, Shift, Control and Alt which normally have to be held down at the same time.
		Keyboarding for the Physically Handicapped is a typing tutor for those needing touch typing adapted to their keyboard.
	polio.dyndns.org /chip/mobkeym.html (5199 words)

	The Great IBM Clickety-Clack Keyboard
		Perhaps it's fitting then that the keyboard that I'm currently using - one that I've been using for the past 10+ years - is a true blue, clickety-clack, IBM keyboard, one that was born to an IBM PS/2 Model 30 before being liberated by yours truly.
		It corrected a number of awkward placements in the original IBM PC keyboard, but kept the function keys on the left side and the Ctrl-key in between the left Shift key and the Tab key.
		The keyboard is exactly the same, but since it's newer, the springs are a mite stiffer, and therefore a bit noisier (or perhaps the acoustics of my room is different).
	www.tprthai.net /ibmkbd.htm (773 words)

	Comments on the Keyboard of the IBM PC (Site not responding. Last check: )
		This keyboard came out before the 101-key keyboard, and, thus, was IBM's first PC keyboard to put both shift keys, the Enter key, and the Backspace key all in their correct positions, as found on a 44-key electric typewriter.
		Keyboards with the backspace key, and/or the Enter key, in unusual positions were very common from a great many computer makers because of the fact that 94, rather than 88, characters need to be produced by a keyboard for ASCII with lower case.
		As that computer had the same keyboard layout as the IBM PC, and the same team that worked on it had the IBM PC as their next project, that computer is generally considered to be the predecessor of the IBM PC.
	www.quadibloc.com /comp/kyb03.htm (2228 words)

	IBM-PC Keyboard Extension -- DataPro
		The DataPro 1129 series Keyboard Extension cable for the IBM-PC is a high-quality imported molded cable.
		For connecting a keyboard port to a data switch, see our 1134 series cables.
		For the PS2/Compaq type keyboard connection using the 6 pin mini-din, see our 1139 and 1159 series cables.
	www.datapro.net /products/ibm-pc-keyboard-extension.html (0 words)

	Interfacing the PC's Keyboard.
		The PC's AT Keyboard is connected to external equipment using four wires.
		The keyboard may not generally change it's data line on the rising edge of the clock as shown in the diagram.
		However to prevent the keyboard from sending data at the same time that you attempt to send the keyboard data, it is common to take the KBD Clock line low for more than 60us.
	www.beyondlogic.org /keyboard/keybrd.htm (3919 words)

	IBM PC
		IBM PCs and compatible models from other vendors are the most widely used computer systems in the world.
		Note: "IBM PC" is used in this dictionary to denote IBM and compatible personal computers, and to distinguish these from other personal computers, though the phrase "PC" is often used elsewhere, by those who know no better, to mean "IBM PC or compatible".
		When a new peripheral device, such as a monitor or scanner, is added to an IBM compatible, a corresponding, new controller board must be plugged into an expansion slot (in the bus) in order to electronically control its operation.
	burks.bton.ac.uk /burks/foldoc/13/55.htm (868 words)

	IBM PC (Site not responding. Last check: )
		IBM PCs and compatible models from other vendors are the most widely used computer systems in the world.
		Note: "IBM PC" is used in this dictionary to denote IBM and compatible personal computers, and to distinguish these from other personal computers, though the phrase "PC" is often used elsewhere, by those who know no better, to mean "IBM PC or compatible".
		When a new peripheral device, such as a monitor or scanner, is added to an IBM compatible, a corresponding, new controller board must be plugged into an expansion slot (in the bus) in order to electronically control its operation.
	www.cacs.louisiana.edu /~mgr/404/burks/foldoc/13/55.htm (868 words)

	Fil's FAQ-Link-In Corner: Ports: PC Keyboard FAQ
		The keyboard will eventually re-transmit the data byte that was interrupted, unless the keyboard was successful in transmitting the 10th bit, in which case the keyboard considers the data byte as successfully sent.
		The keyboard may also be required to return a whole byte/bytes to the controller depending upon the data that was sent by the controller to the KEYBOARD.
		Thus these scancodes are sent by the keyboard, in time to its own clock, both of which go to the 8255 PIA port chip on the motherboard, after a bit of serial to parallel work by a couple other chips.
	members.tripod.com /~ilkerf/c64tower/F_Keyboard_FAQ.html (6032 words)

	Matric IBM PC Keyboard
		Not only do KB695A membrane keyboards provide the keys and functions of full-travel units, but three new keys have been added for Windows: an applications-menu key and left and right Windows keys.
		Matric KB695A membrane keyboards are designed for easy, dependable operation in hostile environments such as industrial controls, robotics, laboratory use, remote data entry, public access -- wherever you need tough, full-featured keyboards for IBM PC/AT or "clones".
		IBM and PC/AT are registered trademarks of International Business Machines, Inc. Windows and Windows 95 are registered trademarks of Microsoft, Inc.
	www.matric.com /ibm.html (209 words)

	quickchai.com IBM PC keyboard
		The PC keyboard with its various keys has a long history of evolution reaching back to teletypewriters.
		No current keyboard approaches the superb ergonomics of the IBM Selectric typewriter, because its complex mechanism would be prohibitively costly to manufacture and maintain in today's market.
		Dome-switch keyboards are kind of a hybrid of membrane and mechanical keyboards.
	www.quickchai.com /ibm-pc-keyboard.htm (833 words)

	[No title]
		It is in many ways far superior to the cheap keyboard I normally use, but it has a problem that is a deal-breaker for this emacs user: when the key to the left of the "A" key is held down, the "H" key generates no scan code on press or release.
		IBM's PC designers did so because that is where the consensus international keyboard standard said it should go.
		It plugs into any PC and it has the Ctrl key where those of us who have read this far like it to be, but has numerous annoying differences from the IBM keyboard.
	www.cs.utk.edu /~shuford/terminal/ibm_pc_enh_keyboard_news.txt (7709 words)

	IBM Archives: IBM Personal Computer
		Although IBM's launch of the Personal Computer (IBM 5150) in 1981 set the industry standard for personal computing, IBM had introduced a variety of small computers for individual users several years before that.
		So while now is certainly an appropriate moment to salute the legendary IBM PC on its 20th birthday, it's also a good time to take a brief look back at some of the pioneering IBM products that immediately preceded it.
		One of the earliest IBM attempts to move computing into the hands of single users was the "SCAMP" project in 1973.
	www.ibm.com /ibm/history/exhibits/pc/pc_1.html (207 words)

	PC Keyboard FAQ
		The AT keyboard transmission protocol is clocked serial (with the keyboard as clock source or 'master'), 11 bits in length.
		The keyboard will transmit keystroke data to the host system as soon as a key is pressed (or released) if both the DATA and CLOCK lines are HIGH.
		The 101/102 keyboard is laid in a 16 row by 8 column matrix.
	oap.sourceforge.net /keyboard_faq.html (5979 words)

	PC keyboard Definition: TechEncyclopedia from TechWeb
		(2) The keyboard introduced with the first IBM PC in 1981 that provided a dual-function keypad for numeric entry and cursor movement.
		It was severely criticized for its non-standard shift key placement, which was corrected with the AT keyboard in 1984.
		Regardless of key placement, users have always loved the feel of IBM keyboards.
	www.techweb.com /encyclopedia/defineterm.jhtml?term=PC+keyboard (255 words)

	Keyboard Input
		When running under a terminal-based system, retrieving and using keyboard input is accomplished exactly the same, using the same functions.
		The IBM PC keyboard was used as the standard.
		However, in the IBM PC systems, one keystroke generally translates into one keycode that goes in the keyboard buffer.
	www.vtsoft.com /VVHTMLHelp/VVUsersGd/htm/keyboardinput.htm (568 words)

	IBM PS2 Keyboard Modification
		PC keyboards use a bi-directional clocked serial interface to communicate with the motherboard.
		After looking at the clock and data lines with a scope and comparing to a newer keyboard, it seemed that the 'logic high' state on both Clock and Data lines was fractionally lower when the IBM keyboard was connected.
		It is connected to the PC with a male-male PS/2 cable (like the ones used to connect most KVMs to a PC).
	www.geocities.com /jszybowski/keyboard (2271 words)

	IBM PC
		The original IBM PC is the grandfather of today's most popular computers, which until recently were known as "IBM Compatibles" (now more frequently referred to as "x86 architecture" or "Windows PCs").
		The IBM PC rapidly dominated the personal computing industry, despite some wacky marketing decisions by IBM such as licensing the Charlie Chaplin "Little Tramp" character as their advertising mascot, and the disastrous introduction of the PC's "little brother", the IBM PCjr.
		IBM AT - 80286, 6-8 MHz (the 286 breaks the "640K barrier", but only with a special "protected mode" in which normal programs won't run; a slot extension is added to bring the IBM PC bus to 16 bit width; hard disks are now supported in the system BIOS ROM)
	www.computercloset.org /IBMPC.htm (553 words)

	IBM PC
		IBM, being the biggest computer company of all time to that point, helped legitimize the PC revolution by participating in it.
		The IBM PC Keyboard was a very sturdy, well designed 83 key model that had far better key placement and a better feel than any other low-cost computer of its day.
		IBM did everything they could to sell the ideas of "professional" and "sturdy" with their machines and they succeeded without question.
	www.vintage-computer.com /ibm_pc.shtml (4999 words)

	www.6502.org: How to: PC/AT Keyboard
		The outputs from the latches are used to drive the enable pins on two of the four buffers from the 74LS125, these are then used to drive the data and clock lines of the keyboard.
		Note that the keyboard supplies the pullup for both the data and clock lines so with no keyboard connected you may read zero when you expect a one.
		Most AT keyboard decoding software uses two tables, one for the unshifted characters and one for the shifted characters, some use further tables for control and alt character decoding as well.
	www.6502.org /mini-projects/at-keyb/at-keyb.htm (1099 words)

	IBM-PC Keyboard Cable KB5 M/M -- DataPro
		The DataPro 1134 series cable is used to connect either a 5-pin keyboard or CPU keyboard port to a data switch.
		The connections are: 5 pin din, all pins connected in a straight-thru configuration.
		For extending an existing keyboard connection using a M/F (plug to jack) cable, see our 1129 series cable.
	www.datapro.net /products/ibm-pc-keyboard-cable-kb5-m-m.html (0 words)

	ASCII Chart and Other Resources (Site not responding. Last check: )
		Also, I've added additional info,such as IBM PC Keyboard Scan Codes, and a list of other references.
		Depending on the programming language being used and the level at which the keyboard is being accessed, the escape character is either ESC (27, 0x1B), or NUL (0).
		However, when the IBM PC was developed, the video card contained one byte for each character in the 80x25 character display.
	www.jimprice.com /jim-asc.shtml (1641 words)

	PC + Keyboard - Synth Zone BBS
		To download XG and play them on my keyboard is no problem.
		What do I need (software and hardware) to connect my Keyboard and PC together.
		Connect the serial connection coming straight from the MIDI connections to the serial port on the back of your computer and leave the other serial connector hanging, it doesn't connect to anything until you have another MIDI device in the future.
	www.synthzone.com /ubbs/Forum26/HTML/000024.html (336 words)

	DigiBarn Devices: Chicklet Keyboard frm IBM PC Jr
		This is the famous "chicklet" keyboard first shipped with the IBM PC Jr.
		An innovative feature of this keyboard was that it needed no cable, instead it used an infrared (wireless) connection.
		This did not always work so well so in the replacement keyboard (which had much more ergonomic keys) IBM put in an option for a cable to connect the keyboard to the CPU.
	www.digibarn.com /collections/devices/pcjr-chicklet-keyboard (180 words)

Try your search on: Qwika (all wikis)