Hardware User's Guide

10 Intel® SAS Controller RS25GB008 Hardware User’s Guide
Table 1. Jumper Description
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Figure 3. RS25GB008 Hardware Block Diagram
Major Components
LSI* LSISAS2308 Processor Chip
The LSI* LSISAS2308 Processor Chip provides the following functionality:
• x8 PCI Express* bus operating at 5.0 Gb/s serial transfer rate
• SAS/SMP/STP/SATA support
• Supports SAS and SATA devices
• Initiator and Target mode (SSP)
• Supports narrow ports and wide ports
• PCI Express* interface supports x8, x4, and x1 lane configurations
Jumper Description Type Comments
J4 Universal Asynchronous
Receiver/Transmitter (UART)
4-pin Connector 4-pin Connector
J5 External Mini SAS 4i
Connector
SFF8088 Connection to SAS/SATA devices
J6 External Mini SAS 4i
Connector
SFF8088 Connection to SAS/SATA devices