Specifications

Dell
PowerEdge R715 Technical Guide 32
The SP5100 is a highly integrated Southbridge controller, supporting the following functions:
 PCI Bus 32-bit Interface Rev 2.3 running at 33 MHz
 Serial ATA (SATA) ports with transfer rates up to 300 MB/s (PowerEdge R715 supports one
SATA port for optical devices)
 Five OHC (full-speed 1.1) and two EHCI (high-speed 2.0) USB host controllers, with up to 12
USB general purpose ports and 2 USB embedded ports. (PowerEdge R715 uses six of these
ports for internal and external use from the general purpose ports)
 Power management interface (ACPI 3.0b compliant)
 Integrated Micro Controller (IMC) and thermal management (iDRAC interfaces the Hardware
Thermal Control (HTC) on PowerEdge R715)
 I/O interrupt controller
 SMBus 2.0 controller
 Low Pin Count (LPC) interface to Super I/O, Trusted Platform Module (TPM), and SPI-VU
 Serial Peripheral Interface (SPI) support for up to two devices (4MB BIOS flash is connected to
the SP5100 using SPI interface)
7.6 Super I/O Controller
The PowerEdge R715 system planar uses an SMSC LPC47M534 Super I/O controller to provide support
for the serial port and the keyboard controller. The LPC47M534 is a Plug and Play compatible device
that interfaces directly to the SP5100 through the LPC bus.