the problem with the intersil is not that it isn't a good card.
its that support is non existant.
and it won't function with many utilities.
this could be fixed by a driver update and that's just not available
list more properties.
what ip's are they pulling from the router?
read off the workgroups exactly. 9 times out of 10 with windows networking its an issue with a typo in the workgroup name.
is that server running active...