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3.2.1Viewing Resource Settings with Device Manager
1. Start the Windows 95/98/ME Device Manager.
2. Double click on the hardware class Quatech Comm Adapters to list hardware
devices in the class.
3. The DSP-200/300 “parent device” belongs to this hardware class. The device name
for the DSP-200/300 is Quatech DSP-200/300: Dual RS-422/RS-485 Serial Port
PC Card.
4. Open the Properties dialog for the DSP-200/300 device, then click the Resources tab
to view the Input/Output Range and Interrupt Request resource allocations.
5. Double click the hardware class Ports (Com and LPT). Each Quatech
Communications Port listed in this class is a “child device” of the DSP-200/300
“parent device.”
6. Open the Properties dialog for a COM port, then click the Resources tab to view the
Input/Output Range and Interrupt Request resource allocations. These will match
those of the “parent device.”
7. Record the COM Port device names (COM1, COM2, etc.) for the DSP-200/300.
These names are required by Windows 95/98/ME applications when accessing
particular ports.
3.2.2Changing Resource Settings with Device Manager
1. Start the Windows 95/98/ME Device Manager.
2. Double click on the hardware class Quatech Comm Adapters to list hardware
devices in the class.
3. The DSP-200/300 “parent device” belongs to this hardware class. The device name
for the DSP-200/300 is Quatech DSP-200/300: Dual RS-422/RS-485 Serial Port
PC Card.
4. Open the Properties dialog for the DSP-200/300 device, then click the Resources tab
to view the Input/Output Range and Interrupt Request resource allocations.
5. Several predefined Basic Configurations have been included for the DSP-200/300
(see Figure 5. DSP-200/300 Basic Configuration Table). The Basic Configurations
provide many combinations of the operating modes and options listed below. See the
Hardware Information section of this manual for complete descriptions.
RS-422/485 output drivers enable option: The DSP-200/300’s ports may be
configured for either full duplex or half duplex operation with this option. The
default setting is the RS-422/485 ports are configured for full duplex operation with
the RS-422/485 output drivers always enabled. In half duplex mode, the RS-422/485
3-3 DSP-200/300 (Rev. I and later) User's Manual