Omega Vehicle Security OMG-COMM232-PCI - Manual (Page 6)

Card Setup
Omega Engineering COMM+232.PCI Page 2
Card Setup
Address and IRQ selection
The OMG-COMM+232.PCI is 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.PCI employs 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.
DIV1 DIV2 DIV4
Figure 1 - Clocking Mode 'Divide By 4’