suspend/hibernate > using acpi packages
wifi > using proprietary Broadcom STA wireless driver
NIC
multimedia buttons
touchpad w/ on/off button
dvd +/- RW w/ lightscribe w/ HP software from support site
memory card reader/writer, built-in
firewire port
audio/microphone jacks
nVidia 6150Go > using nVidia driver, v. 180

Have not tested modem, pcmcia, s-video, and vga ports