User`s guide

9 – Windows 2000 Driver Installation
Removing the Windows 2000 Driver
9-6 FC2354601-00 E
Q
8. When the Upgrade Device Driver Wizard/Select a Device Driver dialog box
displays, click Next.
9. When the Upgrade Device Driver Wizard/Start Device Driver Installation
dialog box displays, click Next.
10. When the Digital Signature Not found dialog box displays, select Yes.
11. When the Upgrade Device Driver Wizard/Completing the Upgrade Device
Driver Wizard dialog box displays, click Finish.
12. The following message displays:
Your hardware settings have changed. You must restart your
computer for these changes to take effect. Do you want to
restart your computer now?
Click Yes.
QLogic is in the processing of obtaining a Digital Signature for the driver through
the official WHQL process from Microsoft. Once a valid Digital Signature has been
obtained and put in the CAT file, the Digital Signature Not found screen will not
appear.
9.4
Removing the Windows 2000 Driver
Power down your computer and remove the HBA from your computer according to
the manufacturer’s instructions; the HBA removal also removes the driver.
NOTE: You do not have to use the Device Manager or the Hardware Wizard to
uninstall the QLA23xx HBA. After you have removed the HBA and
restarted your computer, Windows 2000 recognizes that the HBA has
been removed.
9.5
System Registry Parameters
The available driver parameters are listed below and described in the following
sections:
n MaximumSGList
n NumberOfRequests
n UseSameNN
9.5.1
MaximumSGList
Windows 2000 includes enhanced scatter/gather list support for doing large SCSI
I/O transfers. Windows 2000 supports up to 256 scatter/gather segments of 4096
bytes each, allowing transfers up to 1048576 bytes.