See throw walls in HalfLife ... need help plz

[Slix78]

Sorry that i am asking a stupid qestion like this,but i need it to do 1 time to give my mate a payback....
i have a matrox G400 dualhead on a K6/2-500 / 128 RAM / Aopen Motherboard

the thing i want =
ive seen somewhere that you can see throw walls with the beta 5.5 drivers....its the same like the gl_zmax 0 command...
with the 5.21 drivers it is sorth of that but not that good....so i installed the beta 5.5 drivers and ... nothing happend everything was ok...i want to use this 1 TIME !! to kick my mates ass who is a @#$% ****ing aimbotter...so....does anyone can help me to get the same result with the G400 as when you type sv_zmax 0 in console on your own server ??
thats what i need...im not a cheater plzz trust me ...i only use it 1 TIME to give my mate a lesson .. thats all....
Many TNX for the ones who like to help me....
if i can do something back...just ask me....

bye all

[FaRaN]

Valve squashed that bug in their latest patch. So it will not work. There is another cheat, but it's not Matrox related, and will be fixed in Valve's next patch. So no need to tell you about it. No go play the honest way.