'1. årgang, 2 udgave' means edition no 2 from the first year of publication. In the second magazine there is an entry about deadlines for next issue, set to 31 DEC. 1985, so as was pointed out, it is from 1985. Considering the late date for next issue and that the issue with the date was no 2 for that year, it is likely there were only 2 issues that year.
Originally the magazine was published by Semicap ApS, the importer if Enterprise computers here in Denmark, but in september 1985 editorship was transferred to two guys - Lars Lie and Erik Dam Olsen. Since they refer to the transition in the year 1, issue 2 magazine, it must have been published somewhere between September and December 1985. The other one is probably from 1986. The intention was to make 4 issues per year with 200 copies printed for each issue. The second magazine mentions a membership of about 90 people in the ENTER computer club at this time. However in April 1987 they mailed subscribers to tell them that no more issues would be published, and I never saw any new issues apart from the two I have uploaded. Also an attempt to reestablish a club for Enterprise users at that time failed, since only about 15 people were interested.