The IBM ThinkCentre M83 ( types `10AG`, `10AK`, `10AL`, and `10BE`) have the Intel I217 / L217LM Clarkville according to their [spec sheet](http://support.lenovo.com/en_US/detail.page?DocID=PD028161)
Their driver download page [does not](http://support.lenovo.com/es_MX/downloads/detail.page?DocID=DS033624) have a linux network driver.
However, the [Intel Download Center](https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=15817) provides a driver that should work for these machines.