C-3
Using Windows Advanced Configuration Parameters
■
MaximumLogicalUnit
—This can limit the scan for connected
devices on the SCSI bus. Valid values are 0 to 32. If 1 is specified,
the Windows SCSI manager assumes that no SCSI targets
support LUNs other than LUN 0. Otherwise, LUNs from 0 to 31
are scanned during system initialization. The data type for this
value is
REG_DWORD
.
■
MaximumSGList
—Specifies the maximum number of Scatter/
Gather elements. Valid values are 2-255. The data type for this
value is
REG_DWORD
.
■
NumberOfRequests
—specifies the maximum number of
commands that can be delivered to an adapter. Valid values are
16-255. The data type for this value is
REG_DWORD
.
To enter Windows parameters:
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\adpu320\Parameters\Device
If the Parameters\Device keys already exist, skip to Step 8 to
begin entering values. If the keys do not yet exist, you need to
create them by continuing with Step 4.
4
Click on the adpu320 key.
5
Select Add Key from the Edit menu; type
Parameters
in the
Key Name edit box. Leave the Class edit box blank.
6
Click on the Parameters key.
7
Select Add Key from the Edit menu; type
Device
in the Key
Name edit box. Leave the Class edit box blank.
To specify a certain host adapter, append
Device
with the
number of the host adapter. For example, type
Device0
for the
first host adapter,
Device1
for the second, and so on. If you
omit the host adapter number, the configuration information
applies to all Ultra320 host adapters.
8
Click on the Device key.
U320 UG.book Page 3 Tuesday, September 23, 2003 1:47 PM
