--- gpm/gpm.service	2012-11-06 06:03:09.000000000 +0100
+++ /etc/systemd/system/gpm.service	2012-11-06 21:56:06.703043339 +0100
@@ -3,7 +3,8 @@
 
 [Service]
 Type=forking
-ExecStart=/usr/sbin/gpm -m /dev/input/mice -t imps2
+EnvironmentFile=/etc/conf.d/gpm
+ExecStart=/usr/sbin/gpm $GPM_ARGS
 
 [Install]
 WantedBy=multi-user.target