BiPort Manual 12.rsp - M-Audio
BiPort Manual 12.rsp - M-Audio
BiPort Manual 12.rsp - M-Audio
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Selecting a PC Host Serial Port<br />
In order to operate as a PC MIDI Interface, the <strong>BiPort</strong> requires connection<br />
to a PC serial port. PC serial ports are also known as “COM” ports.<br />
The COM port configuration for each computer varies. Most computers<br />
have one or two COM ports, and some are configured to have 4 or more.<br />
Windows knows these COM ports as “COM1”, “COM2”, “COM3”,<br />
“COM4” and so on. Serial ports are usually male (pins sticking out) DBtype<br />
connectors, and can have either 9 or 25 pins. Sometimes a COM<br />
port will not actually be present at the rear of your computer; it may<br />
instead be used internally by a modem or other device.<br />
The COM ports on the back of your computer might be labeled 1 and 2,<br />
or A and B. If not, you should check your computer manual to verify the<br />
actual configuration. If you have a modem in your system, you should<br />
check to see what COM port it is using. A simple way to do this is to go<br />
to the Control Panel, open the Modems icon, and click Properties.<br />
NOTE: Usually odd numbered COM ports share the same<br />
IRQ as COM1, and even numbered COM ports share the<br />
same IRQ as COM2. All COM ports use different I/O<br />
addresses.<br />
Although the IRQ and I/O address (also referred to as Input/Output<br />
range) are fairly standard, you may view these settings within Windows<br />
by going to the Control Panel, opening System, and clicking Device<br />
Manager. Open the Ports list by clicking the plus sign, click the Com<br />
port, click Properties, and then click Resources.<br />
Try to select a COM port for <strong>BiPort</strong> use that does not use the same IRQ<br />
as some other installed device. Also, select a COM port that is not being<br />
used by a mouse or modem.<br />
Selecting a Mac Host Serial Port<br />
In order to operate as a Mac MIDI Interface, the <strong>BiPort</strong> requires connection<br />
to one of the Mac serial ports. The <strong>BiPort</strong> may be connected to<br />
either a modem or printer port of the Mac. Either port may be used -<br />
just be sure the MIDI program you are using is set to use the same port<br />
you have your <strong>BiPort</strong> 2x4s connected to.<br />
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