Introduction and Card Setup
Sealevel Systems
COMM+850.PCI
Page
1
Introduction
Overview
The Sealevel
COMM+850.PCI
is a single channel PCI Bus serial I/O adapter. It
provides one RS-232 serial port supporting data rates up to 460.8K bps.
What’s Included
The
COMM+850.PCI
is shipped with the following items. If any of these items
is missing or damaged, contact the supplier.
•
COMM+850.PCI
Serial I/O Adapter
•
Sealevel Software
Card Setup
Address and IRQ selection
The
COMM+850.PCI
is automatically assigned resources 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
COMM+850.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 Header J1.
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 D4) position.
To select the maximum data rates up to 460.8K bps place the jumper in the
divide by 1 (silk-screen D1) position. Please refer to the following page for
these additional data rates.
