| A | System (v.1.0.) | 6:46 | ||
| B | System (v.2.0.) | 6:27 |
Recorded at paraDOX Studios.
Mastered at Schallplatten Schneid-Technik Brüggemann GmbH.
| Title, Format | Label | Cat# | Country | Year | ||
|---|---|---|---|---|---|---|
| System (12") | Rumour Records | RUMAT 17 | UK | 1990 | ||
| System (V.1.0.) - System (V.2.0.) (CD, Maxi) | ZYX Records | ZYX 6216-8 | Germany | 1989 | ||
| System (The Remixes) (12") | ZYX Records | ZYX 6216R-12 | Germany | 1990 | ||
| System (The Remixes) (CD, Mini, Single) | ZYX Records | ZYX 6216R-8 | Germany | 1990 | ||
| System (Special Edition - Original + Remixed Versions) (12") | ZYX Records | ZYX 6216-12 RS | Denmark | 1990 |