download and install cablenut https://testmy.net/forum/index.php?action=dlattach;topic=1013.0;id=64
download this attached file (98 & ME Cable_DSL 1500+.zip) and unzip it to C:ProgramCablenut
open cablenut adjuster
click delete cablenut tweaks, now all fileds must be blank
click save to registry
now go to top left corner, click file, click load custom settings file browse to C:ProgramCablenut and dubble click on 98 & ME Cable_DSL 1500+.ccs
now you have a few values set in adjuster, click save to registry and reboot your pc
make new speedtests
good luck
VanBuren