acer travelmate 4150

[Fuad Ala]

i am newbie in freebsd, when i try to install freebsd in my laptop
(travelmate 4150) i get fatal problem. when i boot from cdrom, kernel
said fatal trip, then i try in another way, i boot from acpi mode, and
booting proses running normaly, but when i try to make partition in my
hardisk, system said, disk not found. anyone can help me to solving my
problem. thanks