A blistering 1.9 MHz 16-bit CPU drove a 5-inch CRT monitor and you could have between 16K and 64K of RAM along with ... graphics frame buffers, color maps, etc.). The IBM PC had just been ...

The M series also packs IBM's embedded security subsystem. A 1.6GHz M Series can be had for $1,169 with 128MB of RAM, a 40GB hard drive and a CD-ROM drive. A monitor is not included in that price.

The IBM PC-XT had a lot more expansion slots compared to the first IBM PC that launched in 1981, but it was not as big of a leap in other hardware specs. It also had a rival PC in the Compaq Portable.

It is also the most affordable (or smallest) PC I know that can drive three monitors with a combined 55,461,888 pixels (a pair of 6K monitors and one 5K display); that’s enough grunt to power ...