User`s guide

9 – Windows 2000 Driver Installation

QLDIRECT

9-8 FC2354601-00 E

Follow these steps to change the UseSameNN parameter:

1. Click Start, select Run, and open the REGEDT32 program.

2. Select HKEY_LOCAL_MACHINE and follow the tree structure to the

QL2300.SYS driver:

HKEY_LOCAL_MACHINE

SYSTEM

CurrentControlSet

Services

Ql2300

Parameters

Device

3. Double-click DriverParameters:REG_SZ:UseSameNN=1.

4. If the string UseSameNN= does not display, add the following text to the end

of the string:

;UseSameNN=0

5. If the string UseSameNN=1 displays, change the value from 1 to 0.

6. Click OK.

7. Exit the REGEDT32 program, then restart the system.

9.6

QLDIRECT

The QLDIRECT driver, coupled with the QLogic Windows 2000 enhanced miniport

driver, provides the following features:

n A highly optimized I/O path for normal read and write operations with reduced

CPU utilization and increased parallelization

n Failover and failback features to reroute I/O operations to the correct path

This section provides installation instructions for the QLDIRECT driver in an already

installed Windows 2000 operating system. Earlier versions of this operating system

are not supported.

9.6.1

QLDIRECT Driver Files

Qldirect.sys requires the Ql2300.sys enhanced miniport driver version 7.00.00 or

above. The latest version of the QLDIRECT driver and Ql2300.sys enhanced

miniport driver for Windows 2000 are available on the QLogic Web site.