3-40
Chapter 3: Software Installation - Windows NT
Echo
User's Manual, ver. 0.00
12.
Click the
DONE
button
but do not select
the
REBOOT
option
yet.
13.
Repeat steps 7 through 12 for the remaining Echo serial
ports, each time specifying the appropriate I/O port address
(i.e., 288, 290, 298, etc.) and the same IRQ (i.e., 10).
14.
Now you must edit the
registry database in order to inform
the serial driver that all the Echo serial ports will share the
same IRQ. There are two methods for doing this; a simple
Method A
and a more complex, but more powerful
Method
B.
Method A
This series of steps involves editing the registry database to
inform the WindowsNT serial driver that all the Echo ports
will share the same hardware Interrupt.
14.1.
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
.
14.2.
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.
14.3.
Make sure you are editing the
HKEY_LOCAL_MACHINE
registry.
14.4.
Select the
SYSTEM
folder.
14.5.
Select the
CURRENT CONTROL SET
folder.
14.6.
Select the
SERVICES
folder.
14.7.
Select the
SERIAL
folder.
14.8.
On the right side you will see some information.
Double click the
PERMIT SHARE
line and a dialogue
box opens. You need to alter this item as the default
is sharing
OFF
and you must set sharing
ON
. You then
can change the setting to 1 (sets sharing
ON
).
14.9.
The system will save the changes when you exit the
registry editor.