Quatech DSP-100 - Manual (Page 29)

6. View the Properties dialog for each COM port and examine the Resources
allocated to each port. Inside the Resource allocation window two of the
COM ports will identify the QuatechInc-PCMCIA Dual RS-232 Serial Port
Card as the parent device. The Input/Output Range and Interrupt Request
resource allocations for these two COM ports will also match the resource
allocations of the DSP-100 “parent device”.
Figure 2. Windows 98/ME Device Manager
7. Use the COM Port device names (COM2, COM4, etc.) to access any of the
particular serial ports on the DSP-100. This name is required by a Windows
98/ME application when accessing a particular port.
DSP-100 User's Manual 23