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The IBM Personal Computer XT (model 5160, often shortened to PC/XT) is the second computer in the IBM Personal Computer line, released on March 8, 1983. [1] Except for the addition of a built-in hard drive and extra expansion slots, it is very similar to the original IBM PC model 5150 from 1981.
The original IBM Personal Computer, with monitor and keyboard. The IBM Personal Computer, commonly known as the IBM PC, spanned multiple models in its first generation (including the PCjr, the Portable PC, the XT, the AT, the Convertible, and the /370 systems, among others), from 1981 to 1987.
IBM PC Jr: Several models in series [citation needed] USA RCA: COSMAC VIP: RCA 1802: 1977: Monitor: Cassette: Germany Schneider Computer Division: Euro PC: 8088: 1988 Monitor Floppy diskette Hercules, CGA: IBM PC XT: Several descendant models including 80286 and 80386SX processor and EGA, VGA adapters [15] UK Oric Int'l/Tangerine: Oric-1: 6502: ...
An IBM PC 340. The PC 340, introduced in 1996, [2] was a budget model. It used the Pentium processor clocked at 100, 133 or 166 MHz. It had 4 ISA and 3 PCI expansion slots and four (2 external 5.25 inch, 1 external and 1 internal 3.5 inch) drive bays. It had 4 SIMM-72 RAM slots, and featured an IBM SurePath BIOS. The submodels were:
The cable from the connector then went to the back of the machine, where the original XT keyboard jack was. Experts [who?] stated that IBM developed the Portable in part because its sales force needed a computer that would compete against the Compaq Portable. [2] If less sophisticated than the Compaq, the IBM had the advantage of a lower price tag.
The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business Machines (IBM), directed by William C. Lowe and ...
The Multi-Personal Computer (MPC), better known as the MPC 1600, is a line of desktop personal computers released by Columbia Data Products (CDP) starting in 1982. The original MPC, released in June 1982, was the first commercially released computer system that was fully compatible with the IBM Personal Computer (IBM PC).
The IBM PC AT came with a 192-watt switching power supply, significantly higher than the 130-watt XT power supply. According to IBM's documentation, in order to function properly, the AT power supply needed a load of at least 7.0 amperes on the +5 V line and a minimum of 2.5 amperes on its +12 V line.