User`s guide

Appendix C: Using Advanced Configuration Parameters ● 50
7 Select the Add key from the Edit menu; type Device in the Key Name edit box. Leave the
Class edit box blank.
To specify a certain SCSI card, append Device with the number of the SCSI card. For
example, type
Device0 for the first SCSI card, Device1 for the second, and so on. If you
omit the SCSI card number, the configuration information applies to all Ultra320 SCSI
cards.
8 Click the Device key.
9 Select Add Value from the Edit menu. In the Value Name edit box, enter one of the valid
parameter values. Make sure to enter the appropriate data type for the value. To enter
additional values, repeat Step 8 and Step 9.
Note:
Changes made with the Registry Editor do not take effect until you shut down and then
restart your system.
Using Driver-specific Parameters
To use the Registry Editor to enter adpu320m.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.
● /MAXTAGS=nnn—specifies the tagged command queue depth per target. If a number is
not specified, the tagged queue depth defaults to 32. Valid values are 1-255. 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 0-127. The data type for this value is
REG_SZ
To enter driver-specific parameters:
1 Select Run from the Start button.
2 Type regedt32 , then 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 10 below to begin entering
parameters. If the keys do not yet exist, you need to create them by continuing with Step 4.
4 Click the adpu320 key.
5 Select the Add Key from the Edit menu; type Parameters in the Key Name edit box. Leave
the Class edit box blank.
6 Click the Parameters key.