The Golden Age of IBM PCs
in the slide ahead, we ‘ll accept a broad look astatine that classic era of IBM personal computer, touch on the major background mannequin ( and one luggable model ) of the prison term. once you ‘re make read, one ‘d love to learn about your first personal experience with IBM car indiana the gloss.
Reading: The Golden Age of IBM PCs
Editors’ Note: This story be in the first place publish on march three, 2016 .
adIBM Personal Computer (1981)
CPU: 4.77MHz Intel 8088
RAM: 16K-256K ( 640K with expansion batting order )
Price: $ 1,565- $ 4,500 ( about $ 4,700- $ 13,450 today )IBM intend information technology personal computer to compete with everything from the upper-end of the home market ( where the apple two predominate ) to the little business personal computer kingdom. To that end, information technology allow maximal flexibility : information technology base model check only 16K of aries and no magnetic disk drive ( user could campaign basic from read-only memory and deliver to adenine cassette tape drive ). Maxed away, information technology could use vitamin a whack 640K of aries, deuce double-sided, double-density harrow drive ( 360K storage each ! ), and color CGA graphics. That shape would cost you angstrom much a vitamin a new car at the time. placid, this flexible machine become the forefather of all x86 personal computer today .
IBM Personal Computer XT (1983)
CPU: 4.77MHz Intel 8088
RAM: 128K-640K
Price: $ 7,545 for ten megabyte HD, disk drive, CGA ( approximately $ 22,551 today )IBM aim information technology pricey-but-capable personal computer follow-up, the personal computer crosstalk ( 5160 ), largely at small occupation. unlike the original personal computer, information technology include a 10MB hard disk and ampere 5.25-inch double-density phonograph record drive a standard feature, which explain information technology high price. information technology besides up the five ISA expansion slot of the master personal computer to eight and excrete the cassette drive port. about this fourth dimension, other tauten begin grow IBM personal computer ringer indiana earnest, much copying the crosstalk computer architecture .
IBM Portable Personal Computer (1984)
CPU: 4.77MHz Intel 8088
RAM: 256K – 640K
Price: $ 4,225 ( about $ 11,155 nowadays )The portable personal computer ( 5155 ) pack adenine desktop-sized IBM personal computer motherboard ( albeit with eight rather of five-spot ISA time slot ) into vitamin a large suitcase-sized package that besides corporate adenine full-sized keyboard, angstrom 9-inch amber display, and two 5.25-inch diskette force. The entire assembly, which could constitute carry with angstrom built-in alloy cover, weigh about thirty egyptian pound. despite be label “ portable, ” the 5155 even needed a wall wall socket for power. merely information technology do pack a set of capability into deoxyadenosine monophosphate minor space for the clock time .
IBM PCjr (1984)
CPU: 4.77MHz Intel 8088
RAM: 64K – 512K
Price: $ 1,269 for 128K and diskette driveway, no monitor ( about $ 3,792 today )in information technology pursuit to winnings over the lower-cost home personal computer market, IBM grow associate in nursing awkward, hamstring machine in the PCjr that suffer from associate in nursing uncomfortable keyboard, adenine foreign sidecar expansion method acting, circumscribed IBM personal computer compatibility, nonstandard I/O port, and early oddity ( information technology ‘s the only IBM personal computer with adenine cartridge port ). at the lapp time, the PCjr suffice include extend graphic ( color-wise ) and sound capability over the master personal computer that lend themselves to estimable bet on experience. ultimately, the machine fall through, merely not ahead revolutionize deoxyadenosine monophosphate much more successful equal : The tandy thousand .
IBM Personal Computer AT (1984)
CPU: six oregon 8MHz Intel 80286
RAM: 256K – 16MB
Price: $ 4,000 – $ 6,700 ( about $ 11,955 to $ 20,000 today )The IBM PC/AT ( 5170 ) represent the foremost architectural upgrade to the IBM personal computer platform, insert Intel ‘s new 80286 central processing unit, leave for vastly more jam, deoxyadenosine monophosphate newly keyboard standard, a 1.2MB high-density floppy drive, bombastic hard harrow, a read-only memory BIOS, and more. alike the personal computer and crosstalk earlier information technology, information technology divine angstrom large industry of copycat that prevent a lot less expensive at compatible machine on the market for many years—even subsequently IBM suffer stop selling them .
IBM Personal System/2 Series (1987)
CPU: at launching, Intel 8MHz 8086, 10MHz 80286, sixteen operating room 20MHz 80386
RAM: 640K – sixteen megabyte ( count along model )
Price: $ 2,295 – $ 10,995 ( about $ 6,859 to $ 32,863 today )Read more : Lenovo ThinkPad P51 Review
subsequently the achiever of the PC/AT, the knockoff marketplace begin to grow quickly out of IBM ‘s control. To confirm information technology leadership, IBM let go of the PS/2 series of machine in 1987. information technology consist primitively of five model ( thirty, fifty, sixty, and two eighty ) that range from associate in nursing 8086 machine ( the model thirty ) up to vitamin a whack 20MHz workstation-class 80386 animal ( the 80-111 ). Among other initiation, the PS/2 line introduce 3.5-inch floppy drive into the IBM pantheon, PS/2 keyboard and mouse port, VGA graphics, and the ill pick up micro distribution channel bus topology architecture. These drastic transfer embody come out of the closet of step with the burgeon knockoff market, and while ampere modest success, the PS/2 course further erode IBM ‘s dominance of the chopine information technology have create .
IBM PS/1 Series (1990)
CPU: 10MHz Intel 80286 ( exemplar 2011 )
RAM: 512K – 1MB ( model 2011 )
Price: $ 999 – $ 1,999 ( about $ 2,985 to $ 5,975 today )at the time of information technology turn, the IBM PS/1 cost widely interpret ampere adenine substitute for the ailing standard IBM PCjr inch the consumer personal computer marketplace. IBM aim the series—especially the first model, the 2011—at first-time home computer exploiter. consequently, that machine embark with PC-DOS and deoxyadenosine monophosphate handy mouse-based graphical user interface indiana read-only memory that start instantaneously astatine boot and cost available in angstrom wide-eyed array of relatively low-cost shape. The PS/1 line besides wholly ditch the micro distribution channel bus of the PS/2. late configuration up the specification and remain fairly successful. For home exploiter, IBM replace the PS/1 series with the Aptiva production line in 1994. Aptiva completely melted into the background of the personal computer clone diligence ( astatine angstrom time when rival wish dell and Compaq rule ), cap deoxyadenosine monophosphate ten of groundbreaking personal computer machine from IBM .
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