I have just contacted a friend of mine working in the local phone company, and i found out that the distance (physical line distance) from the distribution box at my home to the local exchange is about 1km. So, I suspect that the culprit behind my poor modem performance is most probably the poor phone line / high SNR. As an example, my download speed now average at 4Mbit/s while previously it was at 8Mbit/s. Yes, it is still low, but that is what I have to put up with especially when the phone company is a monopoly here in Malaysia where I live. So my question now is, are there any way that I can use to determine the level of noise on my phone line, either software or hardware? Or, do you guys have any idea on how to construct a device for that purpose? A URL/pointer to a circuit diagram would be nice. Thanks. Do you want to signoff PCBUILD or just change to Digest mode - visit our web site: http://freepctech.com/pcbuild.shtml