The card works fine now, the problem seemed to be the Xircom adapter-cable from the card to UTP.
When working with AIX, I found out (as a newbie to AIX that is) it is a lot easier than other Unixlike OSses. It uses Smit As a tool when configuring the Server. Now I am configuring a testsystem for mirroring.
Shopping for a Laptop of my own, is a dirty job. I have to, but am in no hurry. I will have one for the duration of this job.