BIOS not seeing NEC ND 6500A with f/w 4.25

I bought NEC 6500A dual layer DVD burner (was going with 2.40 as Nero said) And it was not working on my laptop (HP ZE4300) So i changed master to slave and upgrade firmware to 4.25 and it works perfectly! But BIOS cant see any CD Drive…I cant use bootable cd’s etc. Anybody nows why is that??? Should i upgrade my motherboard bios??? or its NEC firmware??

Thanks in advance!

Does it work perfectly with Windows?

yes, very perfectly :S