
Chapter - 2 Hardware Installation
Step 1 - Configuring DIP-Switches and Jumpers
Windows Plug and PlayThe MultiModemZPX board is shipped from the factory
If you would like to use the Plug and Play feature, you do not need to make any changes to the DIP switches or jumpers.
IRQ
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The MT5634ZPX Default PnP Settings
These
Unlike an external modem, the MultiModemZPX contains its own serial port. When Windows detects the MultiModemZPX, it assigns the next available COM port number to the device. Since COM1 and COM2 are standard serial ports within Windows, COM3 will typically be assigned to the MultiModemZPX serial port. Windows also assigns the MultiModemZPX a port address and interrupt request (IRQ) number. Because the number of IRQs is limited, a computer with several accessories may not have an available IRQ for your new modem. If that is the case, you may have to decide which of the other devices you can modify or do without. If you want to change the IRQ settings, follow the directions below.
Checking Your IRQNote: Changing resource settings improperly can disable your hardware and can cause your computer to malfunction or be inoperable. Be aware that resource settings should be changed only by users with expert knowledge of computer hardware and hardware configurations.
Use the following procedure to check the assignments Windows has made for your modem:
1.Click Start Settings Control Panel.
2.When the System Properties dialog box displays, click the Device Manager tab. A list of device types appears.
3.
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5.Click the Resources tab and note the Conflicting Device list. If there is a conflict between your modem and another device in your computer, the information appears here. For help in resolving a conflict, click Start Help, and then search the Help index for the Hardware Conflict Troubleshooter. When finished, click OK to exit the System Properties dialog box.
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