RHEL 5 Network Problem

RHEL 5 AP intel 945 RTL8101 problem

Please advise. RHEL 5 AP kernel 2.6.18, can see: devices - 82801G PCI Eth...- RTL8101E PCI Express Fast Ethernet. Try to make network - NO such a device in list, downloaded driver from RTL/Intel can't plug in. Software/Hardware used: RHEL 5 AP, Intel d945gclf