Disabling Command Queuing; Installing Qfe Update Software - Intergraph InterServe 800 System Setup

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Disabling Command Queuing

To improve standalone system performance and to improve performance with some high-
performance SCSI peripherals, you should disable 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. Refer to the operating system
documentation for more information on the Last Known Good Configuration option.
To disable command queuing:
1. Start the Registry Editor (
2. Open the following subkey in the Registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\aic78xx
3. From the Edit menu, select the Add Key.
4. Type Device into the Key Name box, and then select OK. Do not set a Class value.
Open the following subkey in the Registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\aic78xx\
Device
5. From the Edit menu, select Add Value.
6. Type DisableTaggedQueuing into the Value Name box.
7. Select REG_DWORD for the Data Type, and then select OK.
8. Type 1 into the Data box.
9. Set the Radix value to Hex, and then select OK.
10. Exit from the Registry Editor and restart the system.

Installing QFE Update Software

If the system was shipped with Quick-Fix Engineering (QFE) update software, you created a
QFE diskette using Version Manager. QFE update software contains fixes for operating
system problems or limitations on your Intergraph system, and is only shipped with the
system if it is needed. If you have a QFE diskette, insert it into the floppy disk drive. Refer
to the
README
REGEDT32
. file on the QFE diskette for instructions to update the system.
TXT
. ) to open the Registry.
EXE