Using Driver-specific Parameters

SY-D6IBA2Quick Start Guide

4Click on the aic78xx or aic78u2 key.

5Select [Add] Key from the Edit menu; Type device in the Key Name edit box. Leave the Class edit box blank.

6Click on the Parameters key.

7Select [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, jDevice1 for the second, etc. If you omit the host adapter number, the configuration information applies to all 7800 Family host adapters.

8Click on the Device key.

9Select [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 steps 8-9.

Note: Changes made with the Registry Editor do not take effect until you shut down and then restart your system.

To use the Registry Editor to enter aic78xx.sys or aic78u2.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.

∗/INSTRUMENTAION –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_ERRIOG_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.

SCSI Utilities