User's Guide

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Adaptec SCSI Card 39320D User’s Guide for Floppy Disks (OEM)
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 and 9.
Note: Changes made with the Registry Editor do not take
effect until you shut down and then restart your computer.
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. 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.
■ /MEMMAP—when set, the SCSI manager is memory mapped.
If this key is not used, the default is I/O mapped. There are no
valid values or default values. The data type for this value is
REG_SZ.
■ /BUS_FAIRNESS—when set, the SCSI bus avoids device
starvation. There are no valid values or default values. The data
type for this value is REG_SZ.
To enter driver-specific parameters:
1 Select Run from the Start button.
2 Type regedt32 and press Enter.
ASC-39320D UG.book Page 6 Monday, July 22, 2002 1:42 PM