cvars bugs after reinstalling ET?

Hello crossfire users (:

So i reinstalled ET and i have problem, since i didnt have it in my cfg i got some cvars "forced" at the lowest possible settings (i mean default), and i dont know what higher numbers you can use + the restart command for them

I have com_hunkmegs 56 (i think next number is 128 or smth? + what's the restart thing vid_restart only? )
com_soundmegs 34 (is it the highest possible ? + still only vid_restart?)
com_zoneMegs 24 (not actually sure, if it isnt forced, but it's the lowest possible...)

+ i wanted to know, if there is anyone using more s_chanels than 2 or if it actually ET supports, cause i have no clue how to make it work when i tried more :)

tried to find it out there: http://www.antman.info/wolf/cvar/ but couldnt find what i needed...

I'll be grateful for everyone who helps me out
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