Few question about freebsd and pcbsd

[garfield270584]

Hi all, i'm neubie here, so please forgive me for my stupid question. I would like to ask :

1. when i install freebsd 7.0 on my laptop acer 5583 nwxmi when i type halt -p it's only shutdown the system, not like in my pc it shutdown completely is this normal ?
2. i use wi fi alot on my laptop, my wifi is intel pro 3945 and freebsd 7.0 seems not detected it at all. Where can i get the driver ?
3. i use marvell yukon ethernet 88e8030 in my laptop and i have download the driver from marvell.com the package is "installbsd70x86v10.51.2.3.tar.gz" how i install it ?
is copying if_myk.ko to /boot/kernel make it works ?
4. i need pspp 0.6.0 for my last work before i graduate but i see only pspp 04.0_1 on freebsd port can you help me

thanks, it feel better now