From Sonnet Technologies:
Description: This software updates 4-port and 8-port Tempo SATA host controller cards' flash ROM (firmware) to version 2.1.3. This version fixes an issue that occurred when the user attempted to erase a volume in a RAID 1 (mirrored) set.
This version fixes an issue that caused on occasional system crash upon system sleep or wake. This version fixes an issue that caused System Profiler to display an incorrect name for the Sonnet Tempo card installed in Power Mac computers. This version also fixes an installer issue that prevented the computer's desktop file from being modified on certain Power Mac computers.