2-7
Microsoft Windows NT Installation
Using Driver-specific Parameters
To use the Registry Editor to enter
adpu160m.sys
driver-specific
parameters that affect the configuration information for Adaptec
SCSI PCI device drivers, follow the instructions below. A list of valid
parameters follows:
Note:
The following parameters are case-sensitive and must
be entered exactly as shown. When entering multiple
parameters, each parameter must be separated by a space.
■
/INSTRUMENTATION—
enables recording of I/O statistics
and errors. If this option is not specified, instrumentation
defaults to disabled. The data type for this value is
REG_SZ
.
■
/INSTR_ERRLOG_Z=nnn
—sets the maximum number of
error log entries, if
/INSTRUMENTATION
is enabled
.
If a
number is not specified, the maximum number or error log
entries defaults to 32. Valid values are 0-128. The data type for
this value is
REG_SZ.
■
/MAXTAGS=nnn
—specifies the tagged command queue
depth. If a number is not specified, the tagged queue depth
defaults to 128. Valid values are 1-255. The data type for this
value is
REG_SZ.
■
/HOTPLUG
—enables Hot-Plug PCI feature. If this option is
not specified, Hot-Plug PCI feature defaults to disabled.
To enter driver-specific parameters, follow these steps:
1
Select Run from the Start button.
2
Type
regedt32
and press Enter.
3
Open the registry list to the following location:
\HKEY_LOCAL_MACHINE\System\CurrentControlSet\
Services\adpu160m\Parameters\Device\DriverParameters
If the Parameters, Device, and Driver Parameters keys already
exist, skip to Step 10 below to begin entering parameters. If the
keys do not yet exist, you will need to create them by
continuing with Step 4.