SY-D6IBA2
Quick Start Guide
4 Click on the aic78xx or aic78u2 key.
5 Select [Add] Key from the Edit menu; Type device 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, jDevice1 for the second, etc. If you omit the host adapter
number, the configuration information applies to all 7800 Family host adapters.
8 Click on 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 steps 8-9.
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 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.
