Dell R710 Technical Guide - Page 36

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Dell 9 BIOS 9.1 Overview The R710 BIOS is based on the Dell BIOS core, supporting the following features:  Intel® Xeon® 5500 and 5600 processor series 2S support  Simultaneous Multi-Threading (SMT) support  Processor Turbo Mode support  PCI 2.3 compliant  Plug and Play 1.0a compliant  MP (Multiprocessor) 1.4 compliant  Ability to boot from hard drive, optical drive, iSCSI drive, USB key, and SD card  ACPI support  Direct Media Interface (DMI) support  PXE and WOL support for on-board NICs  Memory mirroring support  SETUP access through key at end of POST  USB 2.0 (USB boot code is 1.1 compliant)  F1/F2 error logging in CMOS  Virtual KVM, CD, and floppy support  UEFI 2.1 support  Power management support, including DBS, Power Inventory, and multiple power profiles  Intel TXT (5600 series)  Intel AESNI (5600 series) The R710 BIOS does not support the following:  BIOS language localization  BIOS recovery after bad flash (can be recovered from iDRAC6 Express) 9.2 Supported ACPI States The Advanced Configuration and Power Interface is a standard interface for enabling the operating system to direct configuration and power management. The Intel Xeon processor 5500 and 5600 series supports the following C-States: C0, C1, C1E, C3, and C6. The R710 supports all of the available C-States. 9.3 I2C (Inter-Integrated Circuit) I2C is a simple bi-directional two-wire bus for efficient inter-integrated circuit control. All I2C-bus compatible devices incorporate an on-chip interface which allows them to communicate directly with each other via the I2C bus. This design concept solves the many interfacing problems encountered when designing digital control circuits. These I2C devices perform communication functions between intelligent control devices (e.g., microcontrollers), general-purpose circuits (e.g., LCD drivers, remote I/O ports, memories) and application-oriented circuits. The PowerEdge R710 BIOS accesses the I2C through the ICH9 (Intel I/O Controller Hub 9). There are two multiplexers (MUX) on the ICH9 I2C bus:  One MUX (U_ICH_SPD) controls the DIMM SPDs through four split segments  The other MUX (U_ICH_MAIN) controls the clock buffers, TOE, and USB Hub through four split segments. PowerEdge R710 Technical Guide 36

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Dell
PowerEdge R710 Technical Guide
36
9
BIOS
9.1
Overview
The R710 BIOS is based on the Dell BIOS core, supporting the following features:
Intel
®
Xeon
®
5500 and 5600 processor series 2S support
Simultaneous Multi-Threading (SMT) support
Processor Turbo Mode support
PCI 2.3 compliant
Plug and Play 1.0a compliant
MP (Multiprocessor) 1.4 compliant
Ability to boot from hard drive, optical drive, iSCSI drive, USB key, and SD card
ACPI support
Direct Media Interface (DMI) support
PXE and WOL support for on-board NICs
Memory mirroring support
SETUP access through <F2> key at end of POST
USB 2.0 (USB boot code is 1.1 compliant)
F1/F2 error logging in CMOS
Virtual KVM, CD, and floppy support
UEFI 2.1 support
Power management support, including DBS, Power Inventory, and multiple power profiles
Intel TXT (5600 series)
Intel AESNI (5600 series)
The R710 BIOS does not
support the following:
BIOS language localization
BIOS recovery after bad flash (can be recovered from iDRAC6 Express)
9.2
Supported ACPI States
The Advanced Configuration and Power Interface is a standard interface for enabling the operating
system to direct configuration and power management.
The Intel Xeon processor 5500 and 5600 series supports the following C-States: C0, C1, C1E, C3, and
C6. The R710 supports all of the available C-States.
9.3
I
2
C (Inter-Integrated Circuit)
I
2
C is a simple bi-directional two-wire bus for efficient inter-integrated circuit control. All I
2
C-bus
compatible devices incorporate an on-chip interface which allows them to communicate directly with
each other via the I
2
C bus. This design concept solves the many interfacing problems encountered
when designing digital control circuits. These I
2
C devices perform communication functions between
intelligent control devices (e.g., microcontrollers), general-purpose circuits (e.g., LCD drivers,
remote I/O ports, memories) and application-oriented circuits.
The PowerEdge R710 BIOS accesses the I
2
C through the ICH9 (Intel I/O Controller Hub 9). There are
two multiplexers (MUX) on the ICH9 I
2
C bus:
One MUX (U_ICH_SPD) controls the DIMM SPDs through four split segments
The other MUX (U_ICH_MAIN) controls the clock buffers, TOE, and USB Hub through four split
segments.