im using windows 2000, a d-link di-604 router, alcatel 1000 adsl modem. the problem is my dsl keeps going down at leas 4-5 times a day for one to two minutes each time. sbc has checked the line according to them alls good. what else could be causing my dsl to go down so much? please anybody i need so input.my business suffers each time it go's down....