UDMA error

[RYAN vAN GINNEKEN]

I run FreeBSD 4.9 and keep getting this message in my dmesg both the 
cable and the drive are cable of UDMA 100 at least and the board is a 
newer Intel 865 chip set.  Do i have to configure something in my kernel 
or what??

ad0: DMA limited to UDMA33, non-ATA66 cable or device
ad0: 38204MB <SAMSUNG SP0411N> [77622/16/63] at ata0-master UDMA33
acd0: CD-RW <HL-DT-ST GCE-8525B> at ata1-master PIO4
Mounting root from ufs:/dev/ad0s1a