Card Setup - SeaLevel COMM+232.PCI User Manual

Card Setup

Address and IRQ Selection
The COMM+232.PCI is automatically assigned I/O addresses and IRQs by your motherboard BIOS. Only
the user may modify the I/O address.
Adding or removing other hardware may change the assignment of I/O addresses and IRQs.
Clock Modes
The COMM+232.PCI employs a unique clocking option that allows the end user to select from divide by 4
and divide by 1 clocking modes. These modes are selected at Headers E1 and E2.
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.
To select the maximum data rate (460.8K bps) place the jumper in the divide by 1 (silk-screen DIV1) position.
© Sealevel Systems, Inc. 7202 Manual | SL9059 7/2021
E1 E2
Figure 1 - Clocking Mode 'Divide By 4'
E1 E2
Figure 2 - Clocking Mode 'Divide By 1'
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