User`s guide

2 – System Overview
Configuration Parameters
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2.4
Configuration Parameters
2.4.1
Windows Miniport Driver Parameters
2.4.1.1
Basic Parameters
QLogic miniport drivers for Windows NT and Windows 2000 read parameters from
the following registry keys, depending on the type of miniport driver:
HKLM\System\CurrentControlSet\Services\ql2200
HKLM\System\CurrentControlSet\Services\ql2300
Values of parameters in these keys are found in the readme.txt file associated with
the miniport driver.
2.4.1.2
Driver Parameters String
The Windows miniport interface allows a registry parameter in one of the following
directories, depending on the type of miniport driver:
HKLM\System\CurrentControlSet\Services\ql2200\
Parameters\Devices\DriverParameters
HKLM\System\CurrentControlSet\Services\ql2300\
Parameters\Devices\DriverParameters
This value is a semicolon-delimited string that contains multiple values. Each value
is applied to all HBAs of the specified driver type.
2.4.1.3
Disk Class Driver Parameters
Miniport drivers are implicitly affected by operation of the disk class driver. The disk
class driver reads parameters from the following registry key:
HKLM\System\CurrentControlSet\Services\Disk
NOTE: In this registry key, the disk class driver TimeOutValue parameter is the
number of seconds to wait for the miniport to execute a command and
get a response. When running with QLdirect, this value is the number of
seconds to wait for the miniport driver to execute the command or any
one retry of the command.