This release provides the following enhancements.
Sun System Firmware versions 9.7.3.c and 9.7.4 are available on MOS:
Version 9.7.3.c is required to support the new DC power supplies.
Version 9.7.4 is required to support the InfiniBand adaptors.
Corrects the Ready to Remove Blue LED behavior (23278084).
Earlier systems might still experience this issue.