Solution:

The POS-560 on-board network chip is UMC-9008 and compatible with Novell NE2000. Installation for Windows NT procedure: 1.At the true DOS mode, execute DIAG9008.EXE and confirm Ethernet configuration before run Windows NT (Ethernet defaults are IRQ=5 , I/O Address=300h). 2.Run Windows NT. 3.Select "Start" => "Settings"=> "Control Panel" => Double-click "Network" 4.Click "Start search" button => Click "Next" button. 5.Choose your Network protocols => Click "Next" Button. 6.Click "Next" button => Choose Windows NT CD path and click "Continue" 7.Confirm your Network Card's IRQ , I/O address and service. 8.Restarting your computer.