The disadvantage of the AS/400 is that it locks you into IBM and that they're fairly expensive for what they do. The AS/400 series is now known as System i. Source(s): My wife used to sell AS/400 at IBM. http://en.wikipedia.org/wiki/AS/400. Jan O Â· 8 years ago.here are a number of models and configurations available.. It is a database computer which has very good connectivity to other computers & equipment. Because of its good connectivity, it is also used as a server base by many ISP's. Many software suppliers provide business packages which run on the AS400.
The Celtic knot, which is sometimes referred to as the mystic or endless knot, is a symbol that represents the interconnection of all things and the continuous cycle of existence that is created from this connection. There are many versions of the Celtic knot, and each has its own meaning.
Celtic knot. 1  The Celtic knot is a symbol mainly known form Celtic culture, but has been used in different variaties in other cultures like Roman, Copts etc., especially midieval cultures all around the world. The origin of the Celtic knots dates back to the Celtische cultere in the 3rd and 4th century.