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	IBM 5155 portable computer
		The IBM Portable Personal Computer 5155 Model 68 consists of a lightweight case with a carrying handle containing a built-in.
		The system board is the same as that of the IBM Personal Computer XT with 256Kb of memory that is expandable to 512Kb using the memory expansion option.
		The 5155 was IBM's response to the Compaq Portable computer, which was released one year prior, costs $700 less, but has the same CPU and runs just as fast.
	oldcomputers.net /ibm5155.html (600 words)

	IBM Personal Computer XT - Wikipedia, the free encyclopedia
		The IBM Personal Computer XT (IBM 5160), often shortened to the PC XT or simply XT, was IBM's successor to the original IBM PC.
		It was released on March 8, 1983, and was one of the first computers to come standard with a hard drive.
		The XT originally came with 128 kB of memory, a 360 kB double-sided 5 1/4" full-height floppy disk drive, and a 10 MB hard drive, a serial port, eight 8-bit ISA expansion slots, and Intel 8088 microprocessor (with a socket for an 8087 math coprocessor).
	en.wikipedia.org /wiki/IBM_PC_XT (341 words)

	Encyclopedia: IBM Personal Computer XT
		The IBM Personal Computer/AT (IBM 5170), more commonly known as the IBM AT and also sometimes called the PC AT or PC/AT, was IBMs second-generation PC, designed around the Intel 80286 microprocessor running at 6 MHz and released in 1984.
		Clemson Universitys Library Catalog The IBM 3270 is a class of terminals made by IBM (known as Display Devices) normally used to communicate with IBM mainframes.
		A coprocessor is a computer processor used to supplement the functions of the primary processor (the CPU).
	www.nationmaster.com /encyclopedia/IBM-Personal-Computer-XT (745 words)

	IBM PC - Wikipedia, the free encyclopedia
		The predecessor of the current personal computers and progenitor of the IBM PC compatible hardware platform, it was introduced in August 1981.
		The phrase "personal computer" was common currency before 1981, and was used as early as 1972 to characterize Xerox PARC's Alto.
		In 1988 IBM introduced a drive for 2.88 megabyte "DSED" diskettes in its top-of-the-line models; it was an instant failure and is all but forgotten today (but survives as a possible "size" choice in disk-formatting utilities).
	en.wikipedia.org /wiki/IBM_PC (2064 words)

	personal computer - Hutchinson encyclopedia article about personal computer
		The first IBM PC was introduced in the USA in 1981; it had 64 kilobytes of random access memory (RAM) and one floppy-disk drive.
		It was followed in 1983 by the XT (with a hard-disk drive) and in 1984 by the AT (based on a more powerful microprocessor).
		The power of personal computers has increased year by year, as has their ability to handle sophisticated tasks, such as desktop video editing.
	encyclopedia.farlex.com /personal+computer (265 words)

	IBM PC (Site not responding. Last check: 2007-11-05)
		IBM hoped to maintain their position in the market by royalties from licensing the BIOS, and by keeping ahead of the competition.
		The computers are used to process data as it is returned from the ascending radiosonde, attached to a weather balloon.
		However it was not the corporate "computer department" that was responsible for this, for the PC was not seen as a 'proper' computer.
	www.computernostalgia.net /articles/IBMPC.htm (2011 words)

	[No title]
		IBM PERSONAL COMPUTER AT SERIAL ADAPTER CONNECTOR CABLE 9-PIN (#0242): This is a 10-inch, 9-pin to 25-pin adapter cable which allows external devices to attach to the serial port on the IBM Personal Computer AT Serial/Parallel Adapter (#0215).
		IBM RT PERSONAL COMPUTER SERIAL PRINTER CABLE (10-PIN) (#4803): This is a 3-meter interface cable for attaching a serial printer or plotter to one of the standard RS-232C ports in the base unit of the models 020 or 025, or to the four-port asynchronous RS-232C Adapter.
		IBM RT PERSONAL COMPUTER MODEM CABLE - RS-232C (10-PIN) (#4704): This is a 3-meter interface cable for attaching an asynchronous modem to any of the ports on the four-port asynchronous RS-232C Adapter or to the standard RS-232C ports in the system unit of the models 020 or 025.
	www.gilanet.com /ohlandl/6152/186-006.txt (6878 words)

	Comments on the Keyboard of the IBM PC
		When the IBM PC was first introduced, it came with a cassette tape port, and it was envisaged that at least a few people might purchase it for use as a home computer.
		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.
		IBM had felt the need to extend the keyboards on its products so that they could include characters found in ASCII which had not previously been used with their computers.
	www.quadibloc.com /comp/kyb03.htm (2228 words)

	Access ThinkPad: The right information at the right time and place
		Second, there were frustrations with the features that were unique to mobile computers as compared to their desktop counterparts, such as the use of battery power, mobile pointing devices, and communications settings.
		When IBM was designing on-screen documentation, some competitors noticed this advantage at the same time and deployed similar documentation on their mobile computers.
		First, mobile computer users in most of the world were found to be more expert PC users than the typical consumer desktop PC user, with the exception of Japan, where mobile computers were often the first PC purchase made by a family.
	www.research.ibm.com /journal/sj/424/sawin.html (7589 words)

	Definition of IBM PC
		The IBM PC (Personal Computer), is a trade mark of IBM.
		The predecessor of the current personal computers and progenitor of the PC compatible hardware platform, it was introduced in August 1981.
		However, due to the success of the IBM PC, what had been a generic term came to mean specifically a microcomputer compatible with IBM's specification (see IBM PC compatible).
	www.wordiq.com /definition/IBM_PC (2027 words)

	IBM 5150 Personal Computer
		The IBM Personal Computer ("PC") was not as powerful as many of the other personal computers it was competing against at the time of its release.
		This wasn't IBM's first attempt at a personal, or micro-computer, although it is by far their most successful.
		This time IBM was determined to do it right - in order to save time and money, instead of developing their own hardware and software, they used already available off-the-shelf components.
	oldcomputers.net /ibm5150.html (654 words)

	IBM 5155 computer (Site not responding. Last check: 2007-11-05)
		The 5155 was little competition for the Compaq Portable computer, which was released one year prior, costs $700 less, but had the same CPU and ran just as fast.
		It was advertised as being 100% IBM compatible, and even weighs slightly less.
		This wasn't IBM's first portable computer, that would be the IBM 5100, released in 1975.
	members.cox.net /obsoletetechnology/ibm5155.html (563 words)

	Antiques Computer Column: January 1995 (Site not responding. Last check: 2007-11-05)
		The IBM XT personal computer of a decade ago had an internal operating rate of 4.7 megahertz (4,700,000 operations a second).
		A good computer with all the bells and whistles can be bought today for half the price of the first personal computers.
		Yes, scientists and engineers are doing things with personal computers that were once impossible, but it is not easy to see what big computing power has done for the average user.
	www.maineantiquedigest.com /articles/comp0195.htm (1722 words)

	IBM Archives: 1986
		IBM Fellows Gerd K. Binnig and Heinrich Rohrer of the IBM Zurich Research Laboratory win the 1986 Nobel Prize in physics for their work in scanning tunneling microscopy.
		IBM announces plans to sell its South African subsidiary to a new company established for the benefit of IBM South Africa employees.
		IBM opens a National Support Center for Persons with Disabilities in Atlanta to provide information to agencies and institutions on how computers and attached devices can aid persons with disabilities to lead more productive lives.
	www-03.ibm.com /ibm/history/history/year_1986.html (960 words)

	Timeline of Microcomputers (1981-1983)
		The National Computer Conference is held in Chicago, with attendance of 73,000.
		IBM split its Personal Computer development team into three groups: one to work on the PC XT, one to develop the PCjr, and one to start work on the PC AT.
		IBM is not interested as they are already developing what would be called TopView.
	www.fortunecity.com /marina/reach/435/comphis4.html (3043 words)

	Argecy Computer Corporation - IBM 3274
		IBM Personal Computer Attachment Support: This function, selectable during the customization of any Model 3274, except 21x, provides support for attachment of an IBM Personal Computer to a 3278 or 3279.
		IBM Personal Computer Attachment Support: This function, selectable during the customization of any Model 3274, except Models 21x, provides support for attachment of an IBM Personal Computer to a 3278 or 3279.
		IBM Personal Computer XT with XT/370 Option: IBM Personal Computer XT * Category B Terminals cannot be attached to a 3274 Model 21A, and 21C/SNA.
	www.argecy.com /3274.html (11112 words)

	Chronology of IBM Personal Computers (1983-1986)
		At IBM, Don Estridge is removed from the PC project, moving to vice president of manufacturing.
		IBM announces that some PC AT computers shipped since the beginning of the year include a faulty Texas Instruments chip, affecting about 10% of shipments.
		IBM announces the IBM RT Personal Computer, using RISC-based technology from IBM's "801" project of the mid-70s.
	www.islandnet.com /~kpolsson/ibmpc/ibm1983.htm (1850 words)

	History of the IBM PC (Site not responding. Last check: 2007-11-05)
		Some IBM executives believed the single-user desktop system was a fad which would die out when the shortcomings of such systems became appreciated.
		IBM's second choice was BASIC-in-ROM vendor Microsoft, which had no OS product at the time but quickly purchased a crude disk operating system called 86-DOS from Seattle Computer Products to offer it to IBM.
		IBM offered the system to the public after it became clear that no other division was going to come up with anything timely.
	members.aol.com /angelboy75/02ibm.htm (600 words)

	Selectric Typewriter Museum-IBM PC, XT, and AT
		The IBM 5150 Personal Computer features an 8088 Intel processor, 256k of memory on the motherboard, and a monochrome display adapter driving a 5151 green/fl monitor.
		I like the small IBM keyboard, which is early 90s vintage (an option on the PS/2 computers), and has no numerical keypad to get in the way of the mouse.
		There is the original IBM disk drive controller board inside, this is an extra tall full length board, as it controls both the floppy and hard drives.
	www.selectric.org /ibmpc/index.html (619 words)

	XTCE PC Emulator Homepage
		The original IBM Personal Computer was released in August 1981.
		All PC-compatible computers (even a 450Mhz PII) are equipped with hardware to provide this backward compatibility and are therefore able to execute the large no. of applications which have been developed for PC-compatible computers in the last 16 years.
		The Handheld Personal Computer (H/PC) is a new category of mobile devices built around the Windows CE operating system to bring Windows to the palm of your hand.
	www.xt-ce.com (1194 words)

	IBM PC
		IBM, being the biggest computer company of all time to that point, helped legitimize the PC revolution by participating in it.
		IBM did everything they could to sell the ideas of "professional" and "sturdy" with their machines and they succeeded without question.
		IBM sold the original PCs for around $1,600, but that was just an advertising price for the 16K system unit with a keyboard.
	www.vintage-computer.com /ibm_pc.shtml (4999 words)

	IBM XT
		IBM (NYSE: IBM - news) introduced the PC, or Personal Computer, on August 12, 1981.
		IBM revolutionized the industry by hitting the market with a computer based on the Intel 8088 processor, which was compatible with 8-bit computers but processed information internally at 16-bits per clock cycle.
		Many 286,386, and 486 computers have been built with the same slot-width as the IBM XT, resulting in the term ISA, or Industry Standard Architecture.
	www.ed-thelen.org /comp-hist/ibm-xt.html (493 words)

	Lloyd Borrett - Computing - Articles - Your IBM Computer, Nov-1983
		When the IBM Personal Computer XT was released back in March 1983, IBM said that while the PC1 and XT were aimed at the same market, they expected the XT would erode the PC1's market share.
		CPU Computer Centre's add-on hard disk implementation is the only one I have seen which offers full functional and operational compatibility.
		The computer system installed that doesn't require an upgrade to expand capacity after one to two years is rare.
	www.borrett.id.au /computing/art-1983-11-01.htm (1965 words)

	The Digital Dungeon (Site not responding. Last check: 2007-11-05)
		IBM Portable PC, model 5155 Introduced: February 1984 Price: US $4225.
		The motherboard still has eight expansion slots, but two of them are blocked by the floppy drives, and cannot be used.
		Excerpt from the original announcement letter: The IBM Portable Personal Computer 5155 Model 68 consists of a lightweight case with a carrying handle containing a built-in.
	www.ping.be /~pin11547/digitaldungeon/computer/ibm/portable-pc_01/portable-pc_01.html (254 words)

	Ackadia's computer architecture section
		In March 1983, the IBM Personal Computer XT (eXtended Technology) was unveiled with its built-in 10 MB fixed disk.
		IBM worked with another company (Xebec, I believe) to take the controller components normally located in the external cabinet and build them right onto a bus interface card, creating what we commonly call the "hard disk controller".
		All PC-compatible computers (even a 733Mhz PIII) are equipped with hardware to provide this backward compatibility and are therefore able to execute the large no. of applications which have been developed for PC-compatible computers in the last 18+ years.
	www.ackadia.com /computer/system-architecture/form-factors.php (910 words)

	OLD-COMPUTERS.COM : The Museum
		The computer which caused the death of CP/M computers.
		The original IBM PC wasn't very powerful (and was certainly less powerful than lot of 8 bit computers at the time).
		Although the IBM PC XT was launched in 1983, IBM continued production of both units, in various configurations, for several years.
	www.old-computers.com /museum/computer.asp?c=274 (659 words)

	IBM XT
		IBM XT *** Please note, this page (and web site) are in early development.
		IBM (NYSE: IBM - news) introduced the PC, or Personal Computer, on August 12, 1981.
		It carried the nameplate 'IBM Personal Computer XT'.`` The expansion bus also contained eight slots instead of the original five.
	ed-thelen.org /comp-hist/ibm-xt.html (493 words)

	virginia.edu: Spring 2002 - Cool Tools Column
		The November 1983 issue of Byte Magazine was 720 pages thick, and had as its theme "Inside the IBM PC." The spotlight was on the newly-announced IBM Personal Computer XT, which had a monster 10-megabyte hard disk.
		As remote backup locations may not be handy for day-to-day restoration of the occasional, accidentally-overwritten file, you may want to also back up data files to a server or folder on your hard disk temporarily, then move that folder or files to whatever off-site mechanism you choose.
		It's also more reliable to re-install the modern computer operating systems from their manufacturer-supplied disks and then copy your system files back on, than it is to try to do both OS and data files in one package.
	www.itc.virginia.edu /virginia.edu/spring02/cool/home.html (1023 words)

	Amazon.com: IBM Personal Computer: Troubleshooting and Repair for the IBM PC Pc/XT and PC at: Books: Robert C. Brenner (Site not responding. Last check: 2007-11-05)
		Amazon.com: IBM Personal Computer: Troubleshooting and Repair for the IBM PC Pc/XT and PC at: Books: Robert C. Brenner
		Be the first person to review this item.
		Be the first person to add an article about this item at Amapedia.com.
	www.amazon.com /IBM-Personal-Computer-Troubleshooting-Repair/dp/0672226626 (709 words)

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