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u
Perform any additional installation and configuration tasks described in the Late-
Breaking News document delivered with your system.
u
Configure the system as described in Chapter 3, “Configuring the System.”
u
If your system was running Windows NT 4.0 Service Pack software, install this software
after installing drivers and other system software, and after installing any application
software products.
u
Perform any operational changes required for your system as described in Chapter 5,
“Operating Notes.”
Do the following after you install the Windows NT Service Pack:
u
If you created a Quick-Fix Engineering (QFE) backup diskette from Version Manager
during any previous initial system configuration, install the QFE update software. See
the
README.TXT file on the QFE diskette for more information.
u
Complete the additional installation and configuration tasks in this section.
Disabling Command Queuing
In systems equipped with the Adaptec 2910 SCSI adapter, you can improve both system and
SCSI peripheral performance by disabling command queuing in the Windows NT Registry.
WARNING Do not change values in the Registry other than as directed. If you introduce incorrect
values into the Registry, you may cause serious operating system problems, and you
may have to reinstall Windows NT. If you change values in the Registry that make
your system unusable, you may be able to restart the system and use the Last Known
Good Configuration option to undo the damage. See the operating system
documentation for more information on the Last Known Good Configuration option.
To disable command queuing:
1. Start the Registry Editor (
REGEDT32.EXE) to open the Registry.
2. Open the following subkey in the Registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\aic78xx
3. From the Edit menu, select Add Key.
4. Type Device into the Key Name box, and then select OK. Do not set a Class value.
5. Open the following subkey in the Registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\aic78xx\
Device
6. From the Edit menu, select Add Value.
7. Type DisableTaggedQueuing into the Value Name box.
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