User Guide

2-10
Adaptec 7800 Family Manager
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.
/INSTRUMENTATIONenables 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=nnnsets 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=nnnspecifies 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.