Dell OptiPlex Gs Reference and Installation Guide (.pdf) - Page 49

Locking and Unlocking Configuration Resources, Modifying the Configuration Manager

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Locking and Unlocking Configuration Resources You can also lock and unlock individual resources for a card. To do so, perform the following steps: 1. If it is not already installed, install the Plug and Play expansion card. Then turn on the system. Complete steps 2 through 8 in "Installing an Expansion Card" in Chapter 6. The Plug and Play expansion card is configured automatically by the system. 2. Start the ICU. See "Starting the ICU" found earlier in this chapter. 3. Select LOCKING ENABLED from the Advanced menu in the ICU window. A check mark next to LOCKING ENABLED signifies that the feature is active; a Lock button appears on the tool bar. 4. Select the Plug and Play expansion card that you want to lock or unlock from the Cards Configured in System list. 5. Click the Modify button or select MODIFY CARD from the Configure menu. 6. From the Card Configuration dialog box, select the function you want to lock or unlock. 7. Click the Settings button. 8. Modify the resource setting and/or resources offered on the Configuration Settings dialog box, if necessary. See "Modifying a Card" found earlier in this chapter for more information. 9. Select LOCK RESOURCES. The Lock Resources box toggles the lock state of the selected configuration setting. 10. Repeat steps 6 through 9 for any other configuration settings that you want to lock or unlock. 11. Click the OK button in the Card Configuration dialog box when you have finished making your selections. Modifying the Configuration Manager PCI and Plug and Play expansion cards are automatically assigned resources when you start up your system. The Configuration Manager makes this resource information available to the ICU. You can modify the Configuration Manager in two ways to conserve system memory. One option for conserving memory is to set the /nolock parameter in the config.sys file. The /nolock parameter disables the Lock Resources box in the Configuration Settings dialog box and saves 30 kilobytes (KB) of memory. NOTE: The /nolock parameter does not affect the Lock button or the LOCK/UNLOCK CARD option in the Advanced menu of the ICU. You can specify the /nolock parameter in the config.sys file by modifying the file to include the following command line: device=c:\directory\config\dwcfgmg.sys /nolock NOTE: See your MS-DOS reference documentation for instructions on how to modify the config.sys file. Be sure to replace directory with the name of the directory in which you loaded the Configuration Manager. The default location for the Configuration Manager is in the c:\plugplay directory. A second method for conserving memory is to load the Configuration Manager driver, dwcfgmg.sys, into high memory using a memory manager, such as EMM386. To do so, you must modify the config.sys file to include the following command lines: device=c:\windows\emm386.exe noems devicehigh /size=a700 c:\plugplay\config\dwcfgmg.sys If you want to take advantage of both options for conserving system memory by setting the /nolock parameter as well as loading the Configuration Manager into high memory, modify the config.sys file to contain the following command lines: device=c:\windows\emm386.exe noems devicehigh /size=32e0 c:\plugplay\config\dwcfgmg.sys /nolock Using the ISA Configuration Utility 3-11

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Using the ISA Configuration Utility
3-11
Locking and Unlocking Configuration
Resources
You can also lock and unlock individual resources for a
card. To do so, perform the following steps:
1.
If it is not already installed, install the Plug and
Play expansion card. Then turn on the system.
Complete steps 2 through 8 in “Installing an Expan-
sion Card” in Chapter 6. The Plug and Play expansion
card is configured automatically by the system.
2.
Start the ICU.
See “Starting the ICU” found earlier in this chapter.
3.
Select
LOCKING ENABLED
from the Advanced menu in
the ICU window.
A check mark next to
LOCKING ENABLED
signifies that
the feature is active; a Lock button appears on the tool bar.
4.
Select the Plug and Play expansion card that you
want to lock or unlock from the Cards Config-
ured in System list.
5.
Click the Modify button or select
MODIFY
CARD
from the Configure menu.
6.
From the Card Configuration dialog box, select
the function you want to lock or unlock.
7.
Click the Settings button.
8.
Modify the resource setting and/or resources
offered on the Configuration Settings dialog box,
if necessary.
See “Modifying a Card” found earlier in this chapter
for more information.
9.
Select
LOCK RESOURCES
.
The Lock Resources box toggles the lock state of the
selected configuration setting.
10.
Repeat steps 6 through 9 for any other configura-
tion settings that you want to lock or unlock.
11.
Click the OK button in the Card Configuration
dialog box when you have finished making your
selections.
Modifying the Configuration Manager
PCI and Plug and Play expansion cards are automatically
assigned resources when you start up your system. The
Configuration Manager makes this resource information
available to the ICU.
You can modify the Configuration Manager in two ways
to conserve system memory. One option for conserving
memory is to set the
/nolock
parameter in the
config.sys
file. The
/nolock
parameter disables the
Lock Resources box in the Configuration Settings dia-
log box and saves 30 kilobytes (KB) of memory.
NOTE: The
/nolock
parameter does not affect the
Lock button or the
LOCK/UNLOCK CARD
option in the
Advanced menu of the ICU.
You can specify the
/nolock
parameter in the
config.sys
file by modifying the file to include the following com-
mand line:
device=c:\
directory
\config\dwcfgmg.sys /nolock
NOTE: See your MS-DOS reference documentation for
instructions on how to modify the
config.sys
file.
Be sure to replace
directory
with the name of the directory in
which you loaded the Configuration Manager. The default
location for the Configuration Manager is in the
c:\plugplay
directory.
A second method for conserving memory is to load the
Configuration Manager driver,
dwcfgmg.sys
, into high
memory using a memory manager, such as EMM386. To do
so, you must modify the
config.sys
file to include the follow-
ing command lines:
device=c:\windows\emm386.exe noems
devicehigh /size=a700
c:\plugplay\config\dwcfgmg.sys
If you want to take advantage of both options for con-
serving system memory by setting the
/nolock
parameter
as well as loading the Configuration Manager into high mem-
ory, modify the
config.sys
file to contain the following
command lines:
device=c:\windows\emm386.exe noems
devicehigh /size=32e0 c:\plugplay\con-
fig\dwcfgmg.sys /nolock