Omega Vehicle Security OMG-COMM232-PCI manual Card Setup, Address and IRQ selection, Clock Modes

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Card Setup

Card Setup

Address and IRQ selection

The OMG-COMM+232.PCIis automatically assigned I/O addresses and IRQs by your motherboard BIOS. Only the I/O address may be modified by the user.

Adding or removing other hardware may change the assignment of I/O addresses and IRQs.

Clock Modes

The OMG-COMM+232.PCIemploys a unique clocking option that allows the end user to select from divide by 4, divide by 2 and divide by 1 clocking modes. These modes are selected at Headers J1C through J4C.

To select the Baud rates commonly associated with COM: ports (i.e. 2400, 4800, 9600, 19.2, … 115.2K Bps ) place the jumper in the divide by 4 mode (silk-screen DIV4) position.

DIV4

DIV2

DIV1

Figure 1 - Clocking Mode 'Divide By 4’

Omega Engineering COMM+232.PCI

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Contents User’sGuide Benelux CanadaMexico Czech RepublicContents Figures Overview Factory Default SettingsIntroduction What’s IncludedCard Setup Address and IRQ selectionClock Modes Baud Rates and Divisors for the ‘DIV2’ mode For this Data Rate Choose this Data RateOmega Engineering COMM+232.PCI Baud Rates and Divisors for the ‘DIV1’ mode Clocking Mode Divide By 1’Omega Engineering COMM+232.PCI Hardware Installation InstallationOperating System Installation Windows 95/98/NT WindowsTechnical Description InterruptsWhy use an ISP? Connector Pin Assignments RS-232Specifications Appendix a Troubleshooting Appendix B How To Get Assistance Appendix C Electrical Interface Asynchronous Communications Bit Diagram Appendix D Asynchronous CommunicationsAppendix E Silk-Screen Appendix F Compliance Notices WARRANTY/DISCLAIMER Temperature