Adaptec 2930U User Guide - Page 66
Using Driver-specific Parameters
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Using Advanced Configurable Parameters in Windows NT 4.0 Using Driver-specific Parameters You can use the Registry Editor to enter driver-specific parameters that affect the configuration information for Adaptec SCSI PCI device drivers. See Value Keys for Driver-specific Parameters on page C-4 for a list of valid values. Value Keys for Driver-specific Parameters 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. I /INSTRUMENTATION-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. I /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 of error log entries defaults to 32. Valid values are 0-128. The data type for this value is REG_SZ. I /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. To enter driver-specific parameters 1 Click Start, then click Run. 2 Type regedt32, then press Enter. 3 Open the registry list to \HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ aic78xx\Parameters\Device\DriverParameters. If the \Parameters\Device\DriverParameters keys already exist, skip to Step 13 to begin entering parameters. If the keys do not exist, create them by continuing with Step 4. 4 Click aic78xx. 5 From the Edit menu, select Add Key. C-4