You can advance this asset.
When your turn begins, gain 1[credit] for each hosted advancement counter.
When the Runner encounters this ice, you may pay 1[credit]. If you do, place 1 advancement counter on an installed card you can advance.
[subroutine] Give the Runner 1 tag.
+1[memory unit]
When your turn begins, identify your mark. (If you don’t have a mark, a random central server becomes your mark for this turn.)
The first time each turn you make a successful run on your mark, if that server is HQ, access 1 additional card when you breach HQ. Otherwise, breach HQ when the run ends.
Limit 1 console per player.
You can advance this upgrade.
2 hosted advancement counters: Place 2 advancement counters on another card in the root of this server that you can advance. Use this ability only once per turn.
Limit 1 region per server.
When you rez this ice during a run against this server, you may search R&D for a piece of ice and reveal it. (Shuffle R&D after searching it.) Add that ice to HQ.
[subroutine] Gain 1[credit] for each rezzed piece of harmonic ice.