I think new type of license is either x86 (Linux/Windows) or UNIX (rest) - not sure where does Solaris x86 fits, but I would guess first group .  Based on name, it appears one of name is x86 and second one is just listed for Linux.  Both are network edition type.

The only difference i see is the version - it looks like with NW 7.6 a new P/N has been introduced.

I am sure that it does not apply to Solaris x86 as there is no storage node package available - only the client software.

bingo wrote: I am sure that it does not apply to Solaris x86 as there is no storage node package available - only the client software.

Are you sure?  I know at least one customer who used to run server on x86 Solaris (not sure if that was NW7 or early NW8) and current compatibility guide also speaks of Oracle x86 support for server and storage node.

Yes I am. The file size alone already supports that.

You can of course also uncompress the zipped file and read pkginfo? to verify that.

Yes, i also remember a NW server on x86 Solaris. But to the best of my knowledge, this has been compiled by SUN directly ... years ago. I do not remember the version though.

I think your arch understanding might be too strict.  64bit instructions for x86 HW in Solaris world translates to amd64 and if you check that package you will find server.  You can unzip package to verify it yourself