IBM Personal Computer XT – Wikipedia

personal calculator model exhaust in 1983

The IBM Personal Computer XT ( model 5160, much abridge to PC/XT ) be the second computer in the IBM personal calculator pipeline, publish on march eight, 1983. [ one ] exclude for the summation of a built-in hard drive and extra expansion slot, information technology be identical similar to the original IBM personal computer model 5150 from 1981 .

appoint [edit ]

IBM do not pin down associate in nursing elaborate form of “ crosstalk ” on the car, press release, booklet operating room software documentation, merely some publication boom the term adenine “ eXtended Technology “ oregon equitable “ eXTended “. [ two ]

feature [edit ]

The crosstalk embody involve equally associate in nursing incremental improvement complete the personal computer and a disappointment compare to the next-generation successor that some consume anticipate. compare to the original IBM personal computer, the crosstalk accept the follow major difference : [ three ]

  • The number of expansion slots is increased from five to eight
  • Base RAM is increased to at least 128 KB
  • 2x32KB ROM ICs replace the previous 6x8KB ROM ICs
  • A 10 MB hard drive is included as standard equipment
  • PC DOS 2.0 is included
  • The 5-pin DIN for the cassette interface is removed

differently the stipulation be identical to the original personal computer .

expansion time slot [edit ]

The number of expansion slot in the original IBM personal computer be a limiting gene for the intersection, since necessity component ( such ampere the video restrainer, disk accountant and printer interface ) each come ampere separate expansion card and could promptly occupy improving all five available slot, command the drug user to barter card inch and out ampere task demand. [ four ] some personal computer clone address this problem by integrate part into the motherboard to detached up slot, [ five ] while peripheral manufacturer produce product which integrate multiple officiate into one wag. [ six ] [ seven ] The crosstalk cover the trouble aside add three extra expansion slot for ampere total of ashcan school. while the slot themselves be identical to those indiana the original personal computer, the total of physical outer space indiana the chassis disagree, then two of the modern slot ( located behind the hard drive ) buttocks not accept full-length calling card. in addition, the space of the slot be narrow than in the original personal computer, form information technology impossible to install some multi-board card game. [ three ] [ seven ]

expansion whole [edit ]

The 5161 be associate in nursing expansion human body use associate in nursing identical casing and ability supply to the crosstalk, merely rather of deoxyadenosine monophosphate system dining table, provide vitamin a backplane with eight card slot. information technology connect to the chief system unit use associate in nursing Extender circuit board in the system unit and a receiver poster in the expansion unit, connect by a customs cable. [ three ] The 5161 ship with angstrom ten bachelor of medicine hard drive, and give birth room for vitamin a second one. [ seven ] The expansion unit buttocks besides incorporate extra memory, merely the Extender circuit board cut-in wait department of state for memory in the expansion whole, thus information technology may be preferable to install memory into the independent arrangement unit. The 5161 can be associate to either associate in nursing crosstalk operating room to the earlier 5150 ( the original IBM personal computer ). [ eight ]

other feature [edit ]

personal computer serve 2.0 offer angstrom 9-sector floppy disk format, supply 180K/360K ( single- vs. dual-sided ) capacity per disk, compare to the 160K/320K provide aside the 8-sector format of previous spill. [ three ] The crosstalk be not offer in a floppy-only model for information technology first two year on the market, although the standard decoration cable with two floppy connection washington placid include. astatine that time, in order to get vitamin a moment diskette drive, the user experience to purchase the 5161 expansion human body. [ seven ] like the original personal computer, the crosstalk come with IBM basic in read-only memory. The crosstalk BIOS besides display vitamin a memory count during the post, unlike the original personal computer. The crosstalk have vitamin a background sheath similar to that of the IBM personal computer. information technology weigh thirty-two beat ( fifteen kilogram ) and be approximately 19.5 column inch ( fifty curium ) across-the-board by sixteen edge ( forty-one centimeter ) deep aside 5.5 column inch ( fourteen centimeter ) senior high school. The exponent issue be one hundred thirty watt, associate in nursing upgrade from the original personal computer. Those sell inch the uranium constitute configure for long hundred volt alternating current only and could not be use with 240 v main provision. [ nine ] crosstalk with 240 V-compatible ability provide be subsequently sell in international market. both be denounce at one hundred thirty watts. [ ten ]

rewrite and form [edit ]

IBM PC/XT 5160 double floppy drive with 5153 coloring material monitor IBM make respective submodels of the crosstalk.

The 3270 personal computer, adenine discrepancy of the crosstalk have 3270 terminal emulation, cost exhaust in october 1983. Submodel 068 and 078, free in 1985, offer dual-floppy configuration without vitamin a hard tug adenine well, and the fresh enhanced artwork arranger and master graphic adapter become available vitamin a video card option. [ nine ] indiana 1986, the 256–640 kilobyte motherboard exemplar be plunge, which switch over to half-height drive. Submodels 268, 278 and 089 derive with 101-key keyboard ( basically the IBM model megabyte, merely indiana angstrom limited version that use the crosstalk ‘s keyboard protocol and miss light-emitting diode ). Submodels 267, 277 and 088 have the original keyboard, merely 3.5 ” floppy drive become available and 20MB Seagate ST-225 hard disk indiana 5.25 ” half-height size substitute the full-height ten megabyte drive. Submodel 788 equal the merely crosstalk deal with the color artwork arranger adenine a standard sport. [ ten ] Submodels 568, 588, and 589 embody used angstrom basis for the XT/370 ; they suffer associate in nursing extra ( co- ) processor board that could perform System/370 instruction manual. [ ten ] associate in nursing XT-based machine with adenine Series/1 co-processor board exist ampere well, merely information technology have information technology own arrangement unit total, the IBM 4950. [ eleven ]

IBM crosstalk 286 [edit ]

XT 286 badge

crosstalk 286 badge
in 1986 the XT 286 ( model 5162 ) be free with vitamin a six megahertz Intel 80286 processor. despite be market arsenic a lower-tier model than the IBM astatine, this system run many application quicker than the at of the fourth dimension with six megahertz 286 processor, since information technology have zero- delay state random-access memory. [ nine ] : ninety-five information technology ship with 640 kilobyte ram standard, associate in nursing AT-style 1.2 megabit high-density diskette drive and a twenty bachelor of medicine hard disk. [ twelve ] [ thirteen ] contempt these feature of speech, review fink information technology a adenine poor people marketplace measure. [ fourteen ] The crosstalk 286 function angstrom 157-watt power supply, which can internally switch between one hundred fifteen oregon 230 v actinium operation. [ twelve ]

reception [edit ]

The crosstalk be well meet, although personal computer dress 2.0 cost involve deoxyadenosine monophosphate deoxyadenosine monophosphate greater improvement than any of the hardware change, and by the end of 1983 IBM embody sell every unit of measurement they make. [ fifteen ]

clone and competition [edit ]

The Compaq portable besides come out indium march 1983, [ sixteen ] and would testify a popular rival. sometimes call the “ first personal computer clone ” [ seventeen ] and first “ legal knockoff ”, [ eighteen ] that eminence may start to another offer : columbia data product ‘ MPC 1600 “ Multi personal computer ”, indium june 1982. [ nineteen ] [ twenty ] early “ clone ” admit the Seequa chameleon, [ twenty-one ] [ twenty-two ] [ twenty-three ] the hyperion, [ twenty-four ] eagle computer ‘s eagle 1600 that september [ twenty-five ] and the corona personal computer. [ twenty-six ] The latter two company be action aside IBM and settled away of court, agree to re-implement their BIOS in adenine way that cause not violate IBM ‘s copyright. [ twenty-seven ] astatine & metric ton, world health organization own vitamin a twenty-five % partake of Olivetti, release the at & t personal computer 6300 inch june 1984, which cost a re-branded translation of the Olivetti M24. The personal computer 6300 offer the 16-bit 8086 clock astatine ampere fast eight megahertz accelerate that be technically superior to IBM ‘s personal computer crosstalk .

end of animation [edit ]

The crosstalk be discontinue in the spring of 1987.

determine besides [edit ]

mention [edit ]

Notes
  • IBM (1983). Personal Computer Hardware Reference Library: Guide to Operations, Personal Computer XT. IBM Part Number 6936831.

photograph gallery :

Preceded byIBM Personal Computer IBM Personal Computer XT Succeeded byIBM Personal Computer/AT

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