User manual

Chapter 3: Software Installation - Windows NT 3-41
Echo User's Manual, ver. 0.00
Method B
This method is more complex than Method A and involves
writing information regarding the Echo status port to the
Windows NT registry. Since this method will enable your
Echo adapter’s status port, you will attain better system
performance in the way of less CPU usage.
Note:
You will need to know the I/O address of the your Echo
adapter’s status port and make sure that DIP switch 7 on
the Echo’s switchblock SW1 is set to ON
14.10. For Windows NT v.3.51 you click on the
WINDOWS
NT DIAGNOSTIC icon in the ADMINISTRATIVE TOOLS
group and then select TOOLS, then REGISTRY.
14.11. For Windows NT 4.0 select
START, then RUN and
then enter REGEDT32 and hit the ENTER key. This
will bring up the Windows NT Registry Editor.
14.12. Make sure you are editing the
HKEY_LOCAL_MACHINE
registry.
14.13. Select the
SYSTEM folder.
14.14. Select the
CURRENT CONTROL SET folder.
14.15. Select the
SERVICES folder.
14.16. Select the
SERIAL folder.
14.17. Select the
PARAMETERS folder.
14.18. You will need to add two new values: an
InterruptStatus value and a PortIndex value for each
SERIAL key associated with your Echo ports
(
SERIAL110000, SERIAL110001, SERIAL110002, etc.).