Etech Dolphin ISDN in W2K

I can't get my etech Dolphin working in w2k does anybody know how i can get it working here are the specs of my pc

ABIT BP6
Celeron 366 @ 550 DUAL
64 mb pc 100
4.3 gb hd
1 gb hd
2gb SCSI DAT
VOODOO II
Viper 330
Tbeach montego
36x Aopen
Etech Dolphin
100 mb intern ZIP
floppy etc.


Arnold Naber
www.overklokken.nl