The IBM PC/AT, IBM's first fully 16-bit PC, based on the Intel 80286 central processor with a 24-bit address bus allowing access to 16MB RAM, with a built-in 20MB hard disk. Released in 1984 and retired in 1987 in favor of the IBM PS/2.
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- The IBM PC AT came with a 192-watt switching power supply, significantly higher than the 130-watt XT power supply.
- medium.com pcmag-access/the-ibm-pc-at-40-lessons-…Looking back, it’s clear those decisions impacted not just the IBM PC and IBM as a company but also the direction of the entire PC industry.
- piermarcobarbe.github.io informatics_history_HCI_…Here above, the message IBM wanted to send to the customers was that the PC-AT could offer a different mean of space in everyday's life.
- dfarq.homeip.net ibm-5170-pc-at/The IBM 5170 PC/AT is a very popular retro PC, for several reasons. It was the last of the open architecture IBM PCs.
- dosdays.co.uk computers/IBM PC-AT (5170)/…"AT" stood for "Advanced Technology". In April 1986, IBM enhanced the standard PC/AT by increasing the 80286 from 6 MHz to 8 MHz.
- vintage-computer.com machines.php…Description. Manufacturer. International Business Machines Corporation. Model. 5170 IBM PC AT (Advanced Technology). Date Announced. 1984.
- pcjs.org machines/pcx86/ibm/5170/ega/Other IBM PC AT machine configurations with EGA include: IBM PC AT, 640Kb RAM, 10Mb Hard Disk, IBM EGA with Color Monitor (Debugger).
- columbia.edu cu/computinghistory/pcat/The IBM PC/AT, IBM's first fully 16-bit PC, based on the Intel 80286 central processor with a 24-bit address bus allowing access to 16MB RAM, with a...
- forum.vcfed.org index.php…[h="3"] Overview [/h] [wiki="File:IBM_PC_AT.JPG"]right|300px[/wiki]. The IBM AT (5170) was IBM's third entry into the PC market.