Help me for install on Mac mini

[Chanond Yuangket]

Hi Developer

I use macmini G4 1.25 Ghz and download freebsd6 ppc version. My problem =
is  can't install

On "sysinstall Main menu"

I select Standard.Program not show "FDISK Partition Editor"It show =
"FreeBSD Disklabel Editor" And program found ad0s1 ad0s2 ad0s3
I choose ad0s3.by select A=3DAuto Default. and select Q=3DFinish

error appear

Unable to mount the root file system on /dev/ados3 Giving up
Couldn't make filesystems properly. Aborting

Please help me

Thankyou
Chanond Yuangket