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.).