Having similar issue. I'm running 0.5.11_0.111b 64 bit on a Dell D630...
root at kosutic:/export/home/gravesro/Downloads/ndis/ndis-1.2.3# add_drv -i '"pci14e4,4328"' bcmndis devfsadm: driver failed to attach: bcmndis Warning: Driver (bcmndis) successfully added to system but failed to attach root at kosutic:/export/home/gravesro/Downloads/ndis/ndis-1.2.3# uname -a SunOS kosutic 5.11 snv_111b i86pc i386 i86pc Solaris root at kosutic:/export/home/gravesro/Downloads/ndis/ndis-1.2.3/amd64# modinfo | grep ndis 260 fffffffff816e7c0 1acf18 269 1 bcmndis (Ndiswrapper 1.2.3) 261 fffffffff817a018 11548 - 1 ndisapi (NDIS API 1.2.3) A cat of /var/adm/messages with grep for ndis, error. and devfsadm revealed nothing pertinent... -- This message posted from opensolaris.org