Texas Instruments

SYS/BIOS GA Release Notes

Table of Contents


SYS/BIOS is a GA of SYS/BIOS 6.46. CCS users must use CCSv6.1.0 or higher.

Please read the SYS/BIOS User’s Guide for help installing and setting up your environment to use SYS/BIOS


The following documentation is provided with this release. These documents are also available via the CCS Eclipse help table of contents.

License and manifest.

Additional online sources of documentation.

Release notes from previous releases are also available in the release notes archive directory.

What’s New

This release contains fixes for 2 critical SMP bugs. These bugs only impact SMP users. There are no other changes in this release.

Defects Fixed since SYS/BIOS

JIRA Issues ID Summary
SYSBIOS-674 (SMP mode only) Fix race conditions in BIOS_getThreadType()
SYSBIOS-654 (SMP mode only) Fix race condition in Task_block()

Upgrade and Compatibility Information


SYS/BIOS 6.40, 6.41 and 6.42

SYS/BIOS 6.35 and 6.37

SYS/BIOS 6.34 and older

Host Support

Supported Operating Systems:


Minimum Required Software Versions:

Required Hardware

Device Support

Click here for the list of supported devices.

Validation Information

Click here for the list of compilers used to build and validate this release (scroll down to Supported Targets section).

Known Issues

The following issues are known to affect this release:


For a full description of Benchmarks please see the appendices in the SYS/BIOS 6 User’s Guide.


All releases have 4 digits (M.mm.pp.bb). This includes GA and pre-releases (engineering, alpha/EA, beta, etc.). Pre-releases are denoted with a suffix (e.g. or

This product’s version follows a version format, M.mm.pp.bb, where M is a single digit Major number, mm is 2 digit minor number, pp is a 2 digit patch number, and bb is an unrestricted set of digits used as an incrementing build counter.

To support multiple side-by-side installations of the product, the product version is encoded in the top level directory (e.g. bios_6_30_00_00).

Subsequent releases of patch upgrades will be identified by the patch number, ex. SYS/BIOS with directory bios_6_30_01_15. Typically, these patches only include critical bug fixes.

Please note that version numbers and compatibility keys are NOT the same. For an explanation of compatibility keys, please refer to the Upgrade and Compatibility Information section.

Technical Support and Product Updates

Last updated: October 09, 2018 Build Ver: