After you install Adaptive Server, manually register the SySAM plug-in.
$SYBASE_JRE6/bin/java -jar $SYBASE/SYSAM-2_0/ SYSAMP/lib/SYSAMPlugin.jar -r $SYBASE
$SYBASE_JRE64/bin/java -Ddebug=no -classpath $SYBASE/shared/sybcentral600/sybasecentral600.jar:$SYBASE/ shared/java/jsyblib600.jar com.sybase.central.viewer.Register -p $SYBASE/shared/sybcentral600 $SYBASE/SYSAM-2_0/SYSAMP/bin/ SYSAMPlugin.jpr