Dell
PowerEdge R815 Technical Guide 33
• Serial ATA (SATA) ports with transfer rates up to 300 MB/s (PowerEdge R815 supports one
SATA port for optical devices)
• Five OHCI (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 R815 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 (the iDRAC interfaces the
Hardware Thermal Control (HTC) on PowerEdge R815)
• 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)