Lenovo ServeRAID M1115 User Manual

Also see for ServeRAID M1115: Product guide

Benefits of the ServeRAID M1115 Controller 1-9technology. The SAS protocols and SATA protocols use a thin, 7-wireconnector instead of the 68-wire SCSI cable or 26-wire ATA cable. TheSAS/SATA connector and cable are easier to manipulate, allowconnections to smaller devices, and do not inhibit airflow. The point-to-point SATA architecture eliminates inherent difficulties created by thelegacy ATA master-slave architecture, while maintaining compatibilitywith existing ATA firmware.1.7.1 PCI Express ArchitecturePCI Express is a local bus system designed to increase data transferswithout slowing down the central processing unit (CPU). You can installyour ServeRAID-M1115 controller PCI Express SAS/SATA controller inPCI Express computer systems with a standard bracket type. With thiscontroller in your system, you can connect SCSI devices and SATAdevices over the bus.PCI Express goes beyond the PCI specification in that it is intended asa unifying I/O architecture for various systems: desktops, workstations,mobile, server, communications, and embedded devices.1.7.2 Operating System SupportTo check for the latest list of supported operating systems and todownload the drivers for those operating systems, seehttp://support.lenovo.com.The ServeRAID-M1115 controller uses Fusion-MPT™ architecture for allmajor operating systems, thinner drivers, and better performance.1.8 Benefits of the ServeRAID M1115 ControllerThis section provides a summary of the features and benefits of theServeRAID-M1115 controller. It contains information on SAS features,SATA features, PCI performance, integration, usability, and flexibility.The ServeRAID-M1115 controller offers the following features:• PCI Express x8 lane width• PCI Express performance up to 5 Gb/s per lane