thought i can't uplug any devices from IBM TP because it's laptop and has all integrated. i was wrong
i manage to drag out internal :? modem and one of memory module, pcmcia network card (it was easy

)
after that PC-BSD was successfuly installed in "without ACPI" mode on my laptop
P-3 500MHz, 12Gb HDD, 192Mb RAM, 2(or 4 don't remember exactly)Mb Video RAM
i'm really happy now