Datasheet

Intel® S5000 Server Board Family Datasheet Functional Architecture

Revision 1.3

Intel order number D38960-006

2.1.2.5 Serial ATA (SATA) Host Controller

The SATA host controller supports a combination of up to six SATA or four serial attached SCSI

(SAS) devices. This provides an interface for SATA hard disks and ATAPI devices. The SATA

interface supports PIO IDE transfers up to 16 MB/s and Serial ATA transfers up to 3.0 Gb/s (300

MB/s).

The SATA system for the Intel

631xESB / 632xESB I/O Controller Hub contains six

independent SATA signal ports that can be independently electrically isolated. Each SATA

device can have independent timings. They can be configured to the standard primary and

secondary channels. In addition, the controller hub offers the Intel

Embedded Server RAID

Technology that enables data striping (RAID Level 0) for higher-performance or data mirroring

(RAID Level 1) for fault-tolerance between the two SATA drives, alleviating disk bottlenecks by

taking advantage of the dual, independent SATA controllers integrated in the Intel

631xESB /

632xESB I/O Controller Hub.

Note: See the Intel

server board or workstation board technical product specification that

applies to your product for more information.

2.1.2.6 Baseboard Management Controller (BMC)

The BMC component of the Intel

631xESB / 632xESB I/O Controller Hub is provided by an

embedded ARC* controller and associated peripheral functionality that is used to provide the

baseboard management controller functionality that is required for IPMI-based server

management. The following is a summary of the Intel

631xESB / 632xESB I/O Controller Hub

management hardware features utilized by the BMC:

 ARC4 processor with 16 Kb I-cache and D-cache

 256 Kb of internal SRAM with dual port (one for code accesses and one for all other

accesses).

 Expansion bus, allowing connection to external Flash PROM (asynchronous or

synchronous), an external SRAM or an external SDRAM.

 Serial flash interface

 Five SMB ports, two that support FML (either master or slave)

 RS-232 serial port (UART)

 Cryptographic module, supporting AES and RC4 encryption algorithms and SHA1 and

MD5 authentication algorithms with internal DMA and raw checksum support.

 Two keyboard controller style (KCS) interfaces residing on the LPC bus

 General-purpose input/output (GPIO) interface

 MAC CSR interface

 Timer interface

 Host DMA interface