Intel RS25NB008 User Guide - Page 34

Thermal and Atmospheric Characteristics The maximum board temperature is limited by the LSI SAS2208 ROC Processor since it uses the most power and will be the hottest component on the board. • SAS2208 maximum junction temperature: 115oC • Ambient temperature: maximum 60oC (without optional BBU) • Maximum 45oC (with optional BBU) • Airflow over SAS2208: 200 ft/min • Environmental humidity: 20% to 80% non-condensing • MTBF: greater than 300,000 hours Safety Characteristics The bare PC board shall meet or exceed the requirements of UL flammability rating V0. The bare PC board shall also be marked with the supplier's name or trademark, type, and UL flammability rating. The maximum electrical potential on the board will be 12.96V potential difference, referenced from ground to +12V. Operating Certifications The RAID controller in this document is qualified to get Microsoft Windows* Winqual certification (WHQL) at product launch. Supported Device Technology The various device technologies supported by the Intel® RAID Controller RS25NB008 is described in the subsections that follow. Support for Hard Disk Drive Devices The Intel® RAID Controller RS25NB008 integrates eight external high-performance SAS/SATA III ports that support SAS and enterprise-class SATA hard drives. Each port supports both SAS and SATA devices using the SAS Serial SCSI Protocol(SSP), Serial Management Protocol (SMP), and Serial Tunneling Protocol (STP). The SSP protocol enables communication with other SAS devices. STP allows the SAS RAID controller to communicate with SATA devices using the SATA commands. 24 Intel® RAID Controller RS25NB008 Hardware User's Guide