The serial interface board was $124 and the parallel interface was $119.
From the en.wikipedia.org
Later versions adopted the USB interface in preference to the serial or parallel interface.
From the en.wikipedia.org
Dataproducts introduced a very different implementation of the parallel interface for their printers.
From the en.wikipedia.org
Before the advent of USB, the parallel interface was adapted to access a number of peripheral devices other than printers.
From the en.wikipedia.org
Although much of the documentation of SCSI talks about the parallel interface, most contemporary development effort is on serial SCSI.
From the en.wikipedia.org
Many manufacturers of personal computers and laptops consider parallel to be a legacy port and no longer include the parallel interface.
From the en.wikipedia.org
The difference between the two being that transceivers interface electrically with the host system using a serial interface, whereas transponders use a parallel interface to do so.
From the en.wikipedia.org
In computing, a parallel port is a parallel communication physical interface.
From the en.wikipedia.org
For consumers, the USB interface-and often Ethernet-has effectively replaced the parallel printer port.