Netware 5.1 ham drivers for a Poweredge 850

Just received a Poweredge 850 and was trying to install Netware 5.1 on it.  The server has 2 SATA drives and no RAID controller.  I keep erroring out after selecting the cercsr6.ham driver and selecting the port.  It gives me 4 ports that are available: 2, 105, 10009, and 10010.  The installation halts on the error.  It says that the wrong port was selected.  I've tried the installation with every port mentioned with the same result.  Am I using the wrong ham driver or is there another port I should be using?  I tried to use the server assist, but it only displays information for Netware 6.5 sp4.  We only have Netware 4.11, 5.1 and  6.0 servers on our network.