Error while installing NIC drivers

After seeing that Solaris Ethernet Drivers - Supported Devices had drivers for my NIC, I decided to download them on my windows machine so I could burn them to a CD and install them on my old gateway so I could try to get it on the internet. While following the instructions with the drivers, I always run into the error
"pkgadd: ERROR: attemp to process datastream failed
- open of <packages/i386> failed, errno=2
pkgadd: ERROR: could not process datastream from <packages/i386>"

Anyone know what could be causing this, or how I could fix it?

It looks like you used the pkgadd command incorectly. If the package(s) is/are in streamed (.pkg) format then the command is

pkgadd -d /path/to/packagename.pkg

ie the .pkg, not it'd parent directory is passed in as a parameter after -d

Thank you
Would the command be the same for a folder that I unzipped? ( The drivers came in a .zip, and after I unzipped them there werent any .pkg files, just a folder with some stuff in it.)