What is the other network controller in the system?
The pci id VEN_8086&DEV_008A&SUBSYS_00008086 Is strange,
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Intel product N 1030 network adpt OEM
GENeric 1030_BGN wireless adpt.
As you can see, the the driver package contains a custom version for the generic and for a DELL specific version.
Other OEM may post there own driver.
The 6205 should have an ID of PCI\VEN_8086&DEV_0082&SUBSYS_13018086
Since it appears to be the right driver, with the wrong device ID you could probleby do a force load and it would work, But I think I would just return it or try the warranty support line.
One of the network guys on here may have more info.