>>>>
I think you're failing to set things up correctly. Pfdisk doesn't seem to be 
able to deal properly with these large hard disks. Instead you want to use the 
DiskManager set up utility that should have come with your disk. Invoke it
in manual mode ("dm /m"), and select "Hard Disk Installation" from the menu. 
Select the drive you want to install on, and then select "Partition Setup and 
Configuration". Hit insert and create a Primary dos partition. Select another 
free partition slot, hit insert again, and create a partition type of 
"**other**". Give a partition type of 165 when asked, and then specify the 
size of your NetBSD partition. Now would be a good time to write down the 
starting and ending cylinders for each partition, you will want them later on 
in the NetBSD installation. At this point, you can exit Disk Manager, and 
proceed with the NetBSD installation as described in the Install notes.
<<<<
One thing to remember, though, is that the utilities such as os-bs or 
booteasy(last time I checked anyway) cannot boot the partition beyond 1024 
cylinder boundary.  So, make sure your DOS partition is within that boundary, 
i.e. smaller than 512 Meg.  Otherwise, you will not be able to access NetBSD 
once you reboot the computer.

Kang