===================================================================================
  SeaCOM
  Software support package for Sealevel asynchronous serial product family.
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  Software Release Note
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  Version 3.8.1
  Copyright (c) 2000-2024 Sealevel Systems, Inc.
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This document describes the Sealevel Systems SeaCOM for Windows software release.

This document is divided into the following sections:
    o Description
    o Requirements
    o Changes
    o Known Issues
    o Technical Support



Description
===========
    SeaCOM provides a powerful Win32 interface (CreateFile, ReadFile, WriteFile, etc)
    for Sealevel asynchronous serial products.


Requirements
============
    1. Sealevel Systems asynchronous serial hardware.
    2. 32-bit or 64-bit Microsoft Windows 7, 8.1, or 10
        NOTE: Windows 7 requires the following additional updates
        o Service Pack 1 - https://support.microsoft.com/en-us/help/15090/windows-7-install-service-pack-1-sp1
        o KB3033929 - SHA-2 Support - https://support.microsoft.com/en-us/kb/3033929
    3. Microsoft .NET Framework v4.0 or later.
    4. 20MB free hard drive space.


Changes
=======
Version 3.8.1
    1. Drivers
        a. SeaCOM-Exar v5.5.1.1
            - Added support for 7804c.
            - Merged from upstream Maxlinear/Exar driver v5.5.0.0.
            - Fixed bug where cards don't work after PC wakes from sleep.
    2. Utilities
        a. SeaCOM PortManager .NET v1.2.0.3
            - Fixed bug with 9312 where selecting Termination was allowed while RS-232 was selected.
            - Fixed bug with 9312 where selecting Slew Rate Limiter and Termination were allowed while Tri-State mode was selected.
            - Re-enabled Rescan button.
            - Split panel is horizontal instead of vertical since the Description and ID columns can be quite wide.
            - Using new down arrow icon to represent disabled devices. This helps distinguish from nonpresent devices.
            - Remove button is disabled when form is loaded since nothing is selected initially.
            - Improved automatic detection and refresh upon device removal, insertion, and reassignment.
        b. WinSSD v3.4.1.2
            - Fixed control tab ordering
            - Fixed bug where setting configuration of SEAMAC device wrongly showed an error message when no error occurred and showed no error when an error occurred.


Known Issues
============
    1. Windows 7 requires the following additional updates
        o Service Pack 1 - https://support.microsoft.com/en-us/help/15090/windows-7-install-service-pack-1-sp1
        o KB3033929 - SHA-2 Support - https://support.microsoft.com/en-us/kb/3033929
    2. The SeaCOM-Exar driver on Windows 7 requires the user to accept a warning message because Microsoft no longer allows cross-certificate signing.
    3. The SeaCOM-Exar driver will not install on Windows 8.1 due to the above issue.


Technical Support
=================
Sealevel Systems Inc. technical support is available Monday through Friday 8 A.M. to 5 P.M.
Eastern Time at (864) 843-4343. Support is also available via email at support@sealevel.com.
Please refer to our website at www.sealevel.com for additional product information, software
updates, and current manuals for our products.