On 27.9.2013 21:49, h vlems wrote: My most often used Digital Server 5305 (white box equivalent of the as 1200) lost one of its power supplies. It was replaced with a spare and Osmium is running again. I' m thinking of repairing the damaged unit but need schematics for that. Any pointers for them, or a service manual? Hans * * . I have never seen any kind of schematics for the later AlphaServer power supplies. There used to be for VAXen and early Alphas. The AS1200 service manual can be found there: http://manx.classiccmp.org/collections/mds-199909/cd1/alpha/as120sva.pdf Unfortunately there aren't any other repair advise than replacement procedures. Kari