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© Sealevel Systems, Inc. 7406 Manual | SL9066 7/2021
Card Setup
Clock Modes
The VERSA COMM+4.LPCI employs a unique clocking option that allows the end user to select from divide
by 4 and divide by 1 clocking modes. This mode is selected at E1.
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).
Figure 1 -
Clocking Mode ‘Divide By 4’
To select the maximum data rate (460.8K bps) place the jumper in the divide by 1 (silk-screen DIV1) position.
Figure 2 -
Clocking Mode ‘Divide By 1’
Address and IRQ Selection
The VERSA COMM+4.LPCI
is automatically assigned I/O addresses and IRQs by your motherboard BIOS.
Adding or removing other hardware may change the assignment of I/O addresses and IRQs.
D1
D4
D1
D4
