主题：看不懂的硬盘行业：（一）小鱼吃大鱼 -- 达闻奇

XT 5160 March 1983 8088 First IBM PC to come with an internal hard drive as standard.

The "IBM Personal Computer XT", IBM's model 5160, was an enhanced machine that was designed for diskette and hard drive storage introduced two years after the introduction of the "IBM Personal Computer". It had eight expansion slots and a 10 MB hard disk (later versions 20 MB).

http://en.wikipedia.org/wiki/IBM_Personal_Computer#PC