The IBM PC Convertible - the poorest selling portable computer at
Why did the machine
sell so poorly? Because IBM was not paying attention to the
marketplace. At the time, companies like Compaq were developing and
releasing 286 portables - with optional hard disks.
however, was not impossible to upgrade. You "snap-on"
upgrades to the rear of the machine. Have
a look at the Rear View and notice the add-on serial port.
Still, due to its
poor sales, this machine has become notorious and is therefore