4.17-32904 ACE Software Release Notes

Released: May 14, 2009

This software release supports the following base operating systems:

OS Version
RHEL 5.3

New version in this release

ASTi audio and I/O distribution devices use the following firmware version with this software release:

ACENet Device Firmware Version
ACU 2.1

New version in this release

After installing 4.17 all ACUs and ACE-RIUs require a firmware update.

All previous 1.x versions of ACU and ACE-RIU firmware have been removed since they are no longer compatible.


  • New unified RMS ACENet device page.
    • The new page displays firmware version error in ACENet device health status.
  • New ACE-RIU firmware v2.2
  • New ACU firmware v2.1
  • New capability to export diagnostic information to the host computer using ASTi commands.
  • New display for serial data, digital data, analog data I/O information in the health system under "Channel X".


  • Fixed ACENet audio which was intermittently going out of the wrong physical channel on a device.
  • Improved ACENet to support multiple Targets on the same network segment.
  • Fixed ACE-RIUs to recover from disconnect and power off/power back on.
  • Fixed ACENet operation for use when an ACENet device conductor is not in a Studio layout.
  • Fixed ACENet performance with up to 16 ACE-RIUS's on network.
  • Fixed ACENet device power up sequencing issue.
  • FIxed ACE-RIU firmware update which was failing in certain conditions.
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