The information in this User’s Manual has been carefully reviewed and is believed to be accurate.
The vendor assumes no responsibility for any inaccuracies that may be contained in this document,
makes no commitment to update or to keep current the information in this manual, or to notify any
person or organization of the updates. Please Note: For the most up-to-date version of this
manual, please see our web site at www.supermicro.com.
Super Micro Computer, Inc. ("Supermicro") reserves the right to make changes to the product
described in this manual at any time and without notice. This product, including software and documentation, is the property of Supermicro and/or its licensors, and is supplied only under a license.
Any use or reproduction of this product is not allowed, except as expressly permitted by the terms
of said license.
IN NO EVENT WILL SUPERMICRO BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO
USE THIS PRODUCT OR DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. IN PARTICULAR, SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY
HARDWARE, SOFTWARE, OR DATA STORED OR USED WITH THE PRODUCT, INCLUDING THE
COSTS OF REPAIRING, REPLACING, INTEGRATING, INSTALLING OR RECOVERING SUCH
HARDWARE, SOFTWARE, OR DATA.
Any disputes arising between manufacturer and customer shall be governed by the laws of Santa
Clara County in the State of California, USA. The State of California, County of Santa Clara shall
be the exclusive venue for the resolution of any such disputes. Super Micro's total liability for all
claims will not exceed the price paid for the hardware product.
FCC Statement: This equipment has been tested and found to comply with the limits for a Class A
digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the manufacturer’s instruction manual, may cause harmful interference
with radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference, in which case you will be required to correct the interference at your own expense.
California Best Management Practices Regulations for Perchlorate Materials: This Perchlorate warning applies only to products containing CR (Manganese Dioxide) Lithium coin cells. “Perchlorate
Material-special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate”
WARNING: Handling of lead solder materials used in this
product may expose you to lead, a chemical known to the
State of California to cause birth defects and other reproductive harm.
Manual Revision 1.0a
Release Date: August 17, 2012
Unless you request and receive written permission from Super Micro Computer, Inc., you may not
copy any part of this document.
Information in this document is subject to change without notice. Other products and companies
referred to herein are trademarks or registered trademarks of their respective companies or mark
holders.
LAN Ports 1/2 (Gb LAN on X9DRG-HF, 10 Gb LAN on X9DRGHTF)
5-13
Page 47
SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
I-SATA 0~5SATA 3.0 (I-SATA 0/1) and SATA 2.0 Ports (I-SATA 2~5)
S-SATA 0~3SATA 2.0 Ports (S-SATA 0~3)
PCI Slot 1/Slot 2PCI-E 3.0 x16 Slots (Available when CPU1 is populated)
PCI Slot 5PCI-E 3.0 x8 in x16 Slot (Available when CPU1 is populated)
PCI Slot 3/Slot 4PCI-E 3.0 x16 Slots (Available when CPU2 is populated)
(PCH) PCI Slot 6PCI-E 2.0 x4 in x8 Slot (Available when CPU2 is populated)
SW1UID Switch
T-SGPIO 1/2/SSerial Link General Purpose I/O Headers
USB 0/1Back Panel USB Ports
LEDDescriptionState/Status
DM1BMC Heartbeat LEDGreen: BMC Normal
LE1Standby PWR LEDGreen: SB Power On
LE4UID Switch LED
Notes:
PCI-E Slot 1, Slot 2 and Slot 5 are controlled by CPU1 and are only available when a
processor is installed in CPU Socket 1. PCI-E Slot 3, Slot 4 and Slot 6 are controlled
by CPU2 and are available only when a processor is installed in CPU Socket 2.
To provide adequate power supply to the system, be sure to connect all onboard
power connectors to the power supply.
5-14
Page 48
5-8 Connector Defi nitions
Chapter 5: Advanced Serverboard Setup
Power Connectors
Three SMC-proprietary power connectors
are located at JPW1, JPW2 and JPW9 to
provide main power to the serverboard.
Seven 12V, 8-pin power connectors, lo-
cated at JPW3-8 and JPW11, are used
for SATA devices and GPU cards (JPW5
is for the backplane). An additional 4-pin
auxilliary connector is located at JPW10.
Connect these power headers as de-
scribed below.
JPW1: 62-pin SMC-Proprietary (Required)
JPW2: 20-pin SMC-Proprietary (Required)
JPW9: 38-pin SMC-Proprietary (Required)
JPW5: 12V 8-pin for HDD backplane (Required)
12V 8-pin Power
Connector Pin Defi nitions
Pins Defi nition
1 through 3+12V
4 through 8Ground
5V 4-pin Power
Connector
Pin Defi nitions
Pins Defi nition
1+12V
2-3Ground
4+5V
JPW3, 4, 6, 7, 8, 11: 12V 8-pin for GPU power
JPW10: 5V 4-pin Auxilliary
Power Button Connector
The PW_ON connector is on pins 1 and 2
of JF1. Momentarily contacting both pins
will power on/off the system. This button
can also be confi gured to function as a
suspend button (with a setting in the BIOS,
see Chapter 7). To turn off the power when
set to suspend mode, press the button for
at least 4 seconds. Refer to the table on
the right for pin defi nitions. This header
should be connected to the chassis power
button. See the table on the right for pin
defi nitions.
Power Button
Pin Defi nitions (JF1)
Pin# Defi nition
1Power Button
2Ground
5-15
Page 49
SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
Reset Connector
The reset connector is located on pins 3
and 4 of JF1 and attaches to the reset
switch on the computer chassis. See the
table on the right for pin defi nitions.
Power Fail LED
The Power Fail LED connection is located
on pins 5 and 6 of JF1. Refer to the table
on the right for pin defi nitions.
Overheat/Fan Fail/UID LED
Connect an LED cable to pins 7 and 8 of
JF1 for the Overheat/Fan Fail and UID
LED connections. The red LED (pin 8)
provides warning of an overheat or fan
failure. The blue LED (pin 7) works as the
UID LED indicator for the front panel UID
but ton l ocate d on p ins 13~14 of J F1. W hen
Jumper J_UID_OW is set to off (default),
the red LED takes precedence over the
blue LED. Refer to the tables on the right
for more information.
Reset Button
Pin Defi nitions (JF1)
Pin# Defi nition
3Reset
4Ground
PWR Fail LED
Pin Defi nitions (JF1)
Pin# Defi nition
53.3V
6PWR Fail LED
OH/Fan Fail/Blue_UID LED Pin
Defi nitions (JF1)
Pin# Defi nition
7Blue_LED-Cathode(UID)/5.5V.SB
8OH/Fan Fail/UID LED (Red)
OH/Fan Fail LED Status
(Red LED)
State Defi nition
OffNormal
OnOverheat
FlashingFan Fail
NIC2 (LAN2) LED
The LED connections for LAN2 are on pins
9 and 10 of JF1. Attach an LED cable to
display network activity. See the table on
the right for pin defi nitions.
NIC1 (LAN1) LED
The LED connections for LAN1 are on pins
11 and 12 of JF1. Attach an LED cable to
display network activity. See the table on
the right for pin defi nitions.
NIC2 LED
Pin Defi nitions (JF1)
Pin# Defi nition
9Activity LED
10Link LED
NIC1 LED
Pin Defi nitions (JF1)
Pin# Defi nition
11Activity LED
12Link LED
5-16
Page 50
Chapter 5: Advanced Serverboard Setup
HDD/FP UID Button
The HDD/UID button connections are
located on pins 13/14 of JF1. Attach a
hard-drive LED cable to display HDD or
SATA activity. This connection can also be
used for the front panel UID (Unit Identi-
fi er) button. (The UID LED on pin 7 of JF1
works in conjunction with the UID button.)
When the user presses and releases the
UID button, the UID LED will be turned on
or off to indicate the location of the unit in
a stack or rackmounted servers.
Power On LED
The Power On LED connector is located
on pins 15 and 16 of JF1. This connection
is used to provide LED indication of power
being supplied to the system. See the table
on the right for pin defi nitions.
HDD/UID LED
Pin Defi nitions (JF1)
Pin# Defi nition
13UID Signal/3.3V
14HDD Activity
Power LED
Pin Defi nitions (JF1)
Pin# Defi nition
15+3.3V
16Control
Fan Headers
The X9DRG-HF/X9DRG-HTF has twelve
fan headers. Fans 1~4 are for CPU/system
use and Fans A~H for GPU use.. All are
4-pin fan headers, which are backward
compatible with traditional 3-pin fans.
However, fan speed control is available for
4-pin fans only. See the table on the right
for pin defi nitions.
Serial Ports
A COM Port (COM1) is located next to
the UID switch to provide serial port sup-
port. See the table on the right for pin
defi nitions.
Fan Header
Pin Defi nitions
Pin# Defi nition
1Ground
2+12V
3Tachometer
4Pulse Width Modulation
Serial Port Pin Defi nitions
Pin #Defi nitionPin # Defi nition
1DCD6DSR
2RXD7RTS
3TXD8CTS
4DTR9RI
5Ground10NC
5-17
Page 51
SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
NMI Header
The non-maskable interrupt header is lo-
cated at JNMI1. Refer to the table on the
right for pin defi nitions.
Internal Buzzer
The Speaker header, located at JSPK1,
can be used to provide audible alarms for
various beep codes. See the table on the
right for pin defi nitions.
Chassis Intrusion
A Chassis Intrusion header is located at
JL1 on the serverboard. Attach an ap-
propriate cable from the chassis to inform
you of a chassis intrusion when the chassis
is opened.
NMI Button
Pin Defi nitions
Pin# Defi nition
1Control
2Ground
Internal Buzzer
Pin Defi nitions
Pin# Defi nitions
Pin 1Pos. (+)5V
Pin 2Neg. (-)Alarm Speaker
Chassis Intrusion
Pin Defi nitions
Pin# Defi nition
1Intrusion Input
2Ground
T-SGPIO Headers
Three SGPIO (Serial-Link General Pur-
pose Input/Output) headers are provided
on the serverboard. These headers sup-
port serial link interfaces for the onboard
SATA ports. See the table on the right for
pin defi nitions.
RAIDKey Header
A RAIDKey header (JRK1) provides
RAID function support to enhance sys-
tem performance.
T-SGPIO
Pin Defi nitions
Pin# Defi nition Pin Defi nition
1NC 2NC
3Ground4Data
5Load6Ground
7Clock8NC
NC = No Connection
RAIDKey
Pin Defi nitions
Pin# Defi nition
1Ground
2Signal
3Ground
5-18
Page 52
Chapter 5: Advanced Serverboard Setup
TPM Header/Port 80
A Trusted Platform Module/Port 80 header
is located at JTPM1 to provide TPM and
Port 80 support, which will enhance system
performance and data security. See the
table on the right for pin defi nitions.
TPM/Port 80 Header
Pin Defi nitions
Pin# Defi nitionPin # Defi nition
1LCLK2GND
3LFRAME#4<(KEY)>
5LRESET#6NC
7LAD 38LAD 2
9+3.3V10LAD1
11LAD012GND
13NC14NC
15+3V_DUAL16SERIRQ
17GND18CLKRUN# (X)
19LPCPD#20NC
Universal Serial Bus (USB)
Two Universal Serial Bus ports (USB0/1)
are located on the I/O backplane. Connect
USB devices to these ports.
Ethernet Ports
Two Ethernet ports are located next to the
USB 0/1 on the IO backplane. In addition,
an IPMI Dedicated LAN is located above
the USB ports 0/1. These ports accept
RJ45 type cables. Please refer to the LED
Indicator Section for LAN LED information
Note: The X9DRG-HF features two Gb
LAN ports while the X9DRG-HTF features
two 10 Gb LAN ports.
USB
Pin Defi nitions
Pin# Defi nition
1+5V
2PO-
3PO+
4Ground
5NA
LAN Ports
Pin Defi nition
Pin# Defi nition Pin# Defi nitions
1TD0+11TD3-
2TD0-12PIV8_NIC
3PIV8_NIC13ACT LED-
4TD1+14ACT LED+
5TD1-15Link 100 LED
(Green)
6PIV8_NIC16Link 1000 LED
(Yellow)
7TD2+17Ground
8TD2-18Ground
9PIV8_NIC19Ground
10TD3+20Ground
5-19
Page 53
SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
Unit Identifi er Switch
A Unit Identifi er (UID) switch and two LED
indicators are provided on the serverboard.
The rear UID LED (LE4) is located next
to the rear UID switch. The front panel
UID LED is on pins 7/8 of JF1. Connect
a cable to pins 7/8 on JF1 for front panel
UID indication. Pressing the UID switch will
turn on both the rear and front UID LEDs.
Pressing the UID switch again will turn
off both LEDs. These UIDs provide easy
identifi cation of a system unit that may be
in need of service.
Note: the UID can also be triggered via
IPMI. Please refer to the IPMI User's Guide
posted on our Website.
Color/State OS Status
Blue:
On
Blue:
Blinking
Pin# Defi nition
1Button In
2Ground
3Ground
4Ground
UID LED (LE4)
Status
Windows OSUnit Identifi ed
Linux OSUnit Identifi ed
UID Switch
Overheat LED/Fan Fail
The JOH1 header is used to connect an
LED indicator to provide warnings of chas-
sis overheating and fan failure. This LED
will blink when a fan failure occurs. Refer
to the tables on right for pin defi nitions.
Power SMB (I2C) Connectors
Power System Management Bus (I
Connectors (JI
2
C1/JI2C2) monitor power
2
C)
supply, fan and system temperatures. See
the table on the right for pin defi nitions.
Overheat LED
Pin Defi nitions
Pin# Defi nition
15vDC
2OH Active
OH/Fan Fail LED
Status
State Message
SolidOverheat
BlinkingFan Fail
PWR SMB
Pin Defi nitions
Pin# Defi nition
1Clock
2Data
3PWR Fail
4Ground
5+3.3V
5-20
Page 54
5-9 Jumper Settings
Explanation of Jumpers
To modify the operation of the
serverboard, jumpers can be used
to choose between optional settings.
Jumpers create shorts between two
pins to change the function of the con-
nector. Pin 1 is identifi ed with a square
solder pad on the printed circuit board.
See the serverboard layout pages for
jumper locations.
Note: On a two-pin jumper, "Closed"
means the jumper is on both pins and
"Open" means the jumper is either on
only one pin or completely removed.
Chapter 5: Advanced Serverboard Setup
3 2 1
Connector
Pins
Jumper
3 2 1
Setting
CMOS Clear
JBT1 is used to clear CMOS (which will also clear any passwords). Instead of pins,
this jumper consists of contact pads to prevent accidentally clearing the contents
of CMOS.
To clear CMOS,
1. First power down the system and unplug the power cord(s).
2. With the power disconnected, short the CMOS pads with a metal object such
as a small screwdriver.
3. Remove the screwdriver (or shorting device).
4. Reconnect the power cord(s) and power on the system.
Note: Do not use the PW_ON connector to clear CMOS.
VGA Enable/Disable
JPG1 allows you to enable or disable the
VGA port. The default position is on pins
1 and 2 to enable VGA. See the table on
the right for jumper settings.
VGA Enable/Disable
Jumper Settings
Jumper Setting Defi nition
Pins 1-2Enabled
Pins 2-3Disabled
5-21
Page 55
SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
LAN1/2 Enable/Disable
Change the setting of jumper JPL1 to en-
able or disable the LAN1/LAN2 Ethernet
ports on the serverboard. See the table on
the right for jumper settings. The default
setting is enabled.
Watch Dog Enable/Disable
JWD controls the Watch Dog function.
Watch Dog is a system monitor that can
reboot the system when a software ap-
plication hangs. Jumping pins 1-2 (default)
will cause WD to reset the system if an
application hangs. Jumping pins 2-3 will
generate a non-maskable interrupt signal
for the application that hangs. See the
table on the right for jumper settings.
Watch Dog must also be enabled in BIOS.
LAN1/2 Enable/Disable
Jumper Settings
Jumper Setting Defi nition
Pins 1-2Enabled
Pins 2-3Disabled
Jumper Settings
Jumper Setting Defi nition
Pins 1-2Reset
Pins 2-3NMI
OpenDisabled
Watch Dog
Note: When enabled, the user needs to
write their own application software in order
to disable the Watch Dog Timer.
Manufacturer Mode Select
Close jumper JPME1 to bypass SPI fl ash
security and force the system to use the
Manufacturer Mode, which will allow the
user to fl ash the system fi rmware from a
host server to modify system settings. See
the table on the right for jumper settings.
Write Protect Enable
Close pins 1/2 of jumper JWP1 to enable
Write Protect support for system security
and data integrity. See the table on the
right for jumper settings.
ME Mode Select
Jumper Settings
Jumper Setting Defi nition
1-2Normal (Default)
2-3Manufacture Mode
Write Protect
Jumper Settings
Jumper Setting Defi nition
Pins 1/2Write_Protect Enable (Default)
Pins 2/3Write_Protect Disable
5-22
Page 56
Chapter 5: Advanced Serverboard Setup
BMC Enable/Disable
Use jumper JPB1 to enable or disable the
BMC (Baseboard Management Controller),
which supports IPMI 2.0/KVM. See the
table on the right for jumper settings.
5-10 Onboard Indicators
LAN1/2 Port LEDs
The Ethernet ports have two LEDs. On
each port, one LED indicates activity while
the other LED may be green, amber or
off to indicate the speed of the connec-
tion. See the table on the right for the
functions associated with the connection
speed LED.
BMC Enable/Disable
Jumper Settings
Both Jumpers Defi nition
Pins 1-2Enabled
Pins 2-3Disabled
LAN Port LEDs
(Connection Speed Indicator)
LED Color 1 Gb Ports10 Gb Ports
OffNC or 10 Mb/s10/100 Mb/Off
Green100 Mb/s10 Gb/s
Amber1 Gb/s1 Gb/s
Note: the dedicated IPMI LAN does not
operate at 1 Gb/s.
Dedicated IPMI LAN Port LEDs
A dedicated IPMI LAN port is also located
on the I/O backplane. The amber LED on
the right indicates activity, while the green
LED on the left indicates the speed of the
connection. Please note that the IPMI LAN
does not support 1Gbps connections. See
the table at right for more information.
Onboard Power LED
An Onboard Power LED is located at
LE1. This LED Indicator is on when the
system is on. Be sure to unplug the AC
power cable before removing or adding any
components. See the table on the right for
more details.
IPMI LAN LEDs
Color/State Defi nition
Link (Left)Green: Solid100 Mbps
Activity (Right) Amber: BlinkingActive
Onboard PWR LED Indicator
LED Color Defi nition
OffSystem Off (power cable
GreenSystem On
Green:
Flashing
Quickly
not connected)
ACPI S1 State
5-23
Page 57
SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
ME Recovery
JBR1 is used for ME Firmware Recovery
mode, which will limit system resource
for essential function use only without
putting restrictions on power use. In the
single operation mode, online upgrade
will be available via Recovery mode. See
the table on the right for jumper settings.
BMC Heartbeat LED
The BMC Heartbeat LED is designated
DM1. When DM1 is blinking, the BMC
(Baseboard Management Controller) is
functioning normally. See the table at right
for more information.
ME Recovery Select
Jumper Settings
Jumper Setting Defi nition
1-2Manufacture Mode
2-3Normal (Default)
BMC Heatbeat LED Indicator
LED Status
Green: BlinkingBMC: Normal
Rear UID LED
The rear UID LED is located at LE4 on the
backplane. This LED is used in conjunc-
tion with the rear UID switch to provide
easy identifi cation of a system that might
be in need of service.
5-11 SATA Ports
SATA Ports
Two SATA 3.0 ports (I-SATA0 and I-
SATA1) and eight SATA 2.0 ports (I-SATA2
through I-SATA5 and S-SATA0 through S-
SATA3) are included on the serverboard.
There are no jumpers to confi gure the
onboard SATA ports. See the table on the
right for pin defi nitions.
UID LED
Status
Color/State OS Status
Blue: OnWindows OSUnit Identifi ed
Blue:
Blinking
Linux OSUnit Identifi ed
SATA Port
Pin Defi nitions
Pin # Defi nition
1Ground
2TXP
3TXN
4Ground
5RXN
6RXP
7Ground
5-24
Page 58
Chapter 5: Advanced Serverboard Setup
5-12 Installing Software
After the hardware has been installed, you should fi rst install the operating system
and then the drivers. The necessary drivers are all included on the Supermicro CDs
that came packaged with your system.
Note: Click the icons showing a hand writing on paper to view the readme fi les
for each item. Click the computer icons to the right of these items to install each
item (from top to the bottom) one at a time. After installing each item, you must re-boot the system before moving on to the next item on the list. The bottom
icon with a CD on it allows you to view the entire contents of the CD.
Driver/Tool Installation Display Screen
5-25
Page 59
SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
Supero Doctor III
The Supero Doctor III program is a web-based management tool that supports
remote management capability. It includes Remote and Local Management tools.
The local management is called SD III Client. The Supero Doctor III program
included on the CD-ROM that came with your serverboard allows you to monitor
the environment and operations of your system. Supero Doctor III displays crucial
system information such as CPU temperature, system voltages and fan status. See
the Figure below for a display of the Supero Doctor III interface.
Note: The default User Name and Password for SuperDoctor III is ADMIN / AD-
MIN.
Note: When SuperDoctor III is fi rst installed, it adopts the temperature threshold
settings that have been set in BIOS. Any subsequent changes to these thresholds
must be made within Super Doctor, as the Super Doctor settings override the BIOS
settings. To set the BIOS temperature threshold settings again, you would fi rst need
to uninstall SuperDoctor III.
Supero Doctor III Interface Display Screen (Health Information)
5-26
Page 60
Chapter 5: Advanced Serverboard Setup
Supero Doctor III Interface Display Screen (Remote Control)
Note: SD III Software Revision 1.0 can be downloaded from our Web Site at: ftp://
ftp.supermicro.com/utility/Supero_Doctor_III/. You can also download the SDIII
For Linux, we will recommend using Supero Doctor II.
5-27
Page 61
SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
Notes
5-28
Page 62
Chapter 6: Advanced Chassis Setup
Chapter 6
Advanced Chassis Setup
This chapter covers the steps required to install components and perform mainte-
nance on the SC118GQ chassis. For component installation, follow the steps in the
order given to eliminate the most common problems encountered. If some steps
are unnecessary, skip ahead to the next step.
Tools Required:
maintenance is a Philips screwdriver.
The only tool you will need to install components and perform
6-1 Static-Sensitive Devices
Electrostatic Discharge (ESD) can damage electronic com ponents. To prevent
damage to any printed circuit boards (PCBs), it is important to handle them very
carefully.
The following measures are generally suffi cient to protect your equipment from
ESD damage.
Precautions
• Use a grounded wrist strap designed to prevent static discharge.
• Touch a grounded metal object before removing any board from its antistatic
bag.
• Handle a board by its edges only; do not touch its components, peripheral chips,
memory modules or gold contacts.
• When handling chips or modules, avoid touching their pins.
• Put the serverboard, add-on cards and peripherals back into their antistatic
bags when not in use.
• For grounding purposes, make sure your computer chassis provides excellent
conductivity between the power supply, the case, the mounting fasteners and
the serverboard.
6-1
Page 63
SUPERSERVER 1027GR-TRF/1027GR-TRFT Series User's Manual
Figure 6-1. Chassis: Front and Rear Views
GPU Card
Control Panel
Hot-Swap Drive Bays (4)
PCI Slot
Power Supplies
GPU Card
GPU CardRear I/O Ports
Note: the number of PCI slots available depends on the presence of GPUs in the
server model.
6-2 Control Panel
The control panel (located on the front of the chassis) must be connected to the
JF1 connector on the serverboard to provide you with system status indications. A
ribbon cable has bundled these wires together to simplify the connection. Connect
the cable from JF1 on the serverboard to the appropriate header on the Control
Panel PCB (printed circuit board). Make sure the red wire plugs into pin 1 on both
connectors. Pull all excess cabling out of the airfl ow path.
The control panel LEDs inform you of system status. See "Chapter 3: System In-
terface" for details on the LEDs and the control panel buttons. Details on JF1 can
be found in "Chapter 5: Advanced Serverboard Installation."
6-3 System Cooling
Ten 4-cm counter-rotating fans provide the cooling for the system. Each fan unit
is actually made up of two fans joined back-to-back, which rotate in opposite di-
rections. This counter-rotating action generates exceptional airfl ow and works to
dampen vibration levels.
It is very important that the chassis top cover is properly installed and making a
good seal in order for the cooling air to circulate properly through the chassis and
cool the components.
6-2
Page 64
Chapter 6: Advanced Chassis Setup
System Fan Failure
Fan speed is controlled by system temperature via a BIOS setting. If a fan fails, the
remaining fans will ramp up to full speed. Replace any failed fan at your earliest
convenience with the same type and model (the system can continue to run with a
failed fan). Failed fans can be identifi ed through the BIOS. (See the fan numbering
in Figure 6-3. These numbers are also imprinted on the fl oor of the chassis.)
Replacing a System Fan
1. If the BIOS is not being utilized to determine which fan has failed, open the
top cover of the chassis while the system is running to locate the position of
the failed fan. Never run the server for an extended period of time with the
top cover open.
2. Turn off the power to the system and unplug the AC power cord.
3. Remove the failed fan's wiring from the serverboard.
4. Remove the four pins securing the fan to the fan tray.
5. Lift the failed fan from the fan tray and out of the chassis.
6. Place the new fan into the vacant space in the fan tray, while making sure the
arrows on the top of the fan (indicating air direction) point in the same direc-
tion as the arrows on the other fans in the same fan tray.
7. Reconnect the fan wires to the exact same chassis fan headers as the previ-
ous fan.
8. Reconnect the AC power cord, power up the system and check that the fan is
working properly before replacing the chassis cover.
Figure 6-2. Removing a Fan from the Fan Tray
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Figure 6-3. Installing a Fan
Figure 6-4. Installing the Air Shroud
Installing the Air Shroud
Air shrouds concentrate airfl ow to maximize fan effi ciency. The SC118GQ chassis
air shroud does not require screws to set up. Note that each GPU card has its
own air shroud.
Installing the Air Shroud
1. Position the air shroud in the chassis as illustrated in Figure 6-4.
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Chapter 6: Advanced Chassis Setup
2. Align the notch on the air shroud with the pin on the add-on card bracket.
3. Slide the pin into the back of the notch.
4. Lower the front of the air shroud over the fan tray, sliding the front notches
over the pins on the fan tray.
Installing Graphics (GPU) Cards
The system supports three GPU cards, which are mounted in brackets to fi t into
the PCI-E 3.0 slots at the front of the chassis. NVIDIA Fermi M2090, Fermi M2075
and NVIDIA Kepler K10 GPUs are supported. The GPU cards may be preinstalled,
the procedure below is provided for when a GPU card needs to be replaced. See
NVIDIA's web site for more details on the K10 GPU specifi cations.
Installing Graphics Cards
1. Identify the left and right brackets and graphics cards as illustrated below.
2. Insert the graphics cards into the brackets, aligning the mounting holes in the
cards with those in the brackets. Kepler cards require a different bracket than
Fermi cards (MCP-240-00117-0N). The system comes with Fermi brackets al-
ready installed by default. If replacing Fermi GPUs with Kepler GPUs, remove
the Fermi brackets from the chassis and replace with the Kepler brackets.
3. Secure each card to the bracket using the screws that are included for this
purpose. Keplers: remove the bracket on the end of the GPU, add a washer
(included in kit) between the plate and the pcb for each screw, then attach the
GPU to the system Kepler bracket (MCP-240-00117-0N), which now takes the
place of the Fermi bracket.
4. Carefullly position each bracket in the chassis as illustrated below, aligning
the four mounting holes in the top and side of each bracket with the corre-
sponding mounting holes in the chassis. Pay attention to the airfl ow arrows
to install each card into the correct side of the chassis
5. Secure the bracket to the chassis by using the screws provided.
6. After a GPU card is installed, you must connect it to one of the following
power headers on the serverboard: JPW3, JPW4, JPW6, JPW7, JPW8 or
JPW11.
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Figure 6-5. Installing GPU Cards into the Left and Right GPU Brackets
Airfl ow
1
2
Left Side GPU Bracket
and Cards
Arrows indicate
direction of airfl ow
Right Side GPU Bracket
and Cards
Important Note for Kepler GPUs: note the airfl ow arrows on top of the GPU card.
The card with the arrow pointing toward the Tesla logo should go on the left side of
the chassis, and the card with the arrow pointing away from the Tesla logo should
go on the right side of the chassis (when viewed from the front of the system).
The Kepler GPU card brackets need two additional washers added (see note on
previous page).
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Chapter 6: Advanced Chassis Setup
!
6-4 Drive Bay Installation/Removal
Accessing the Drive Bays
Because of their hotswap capability, you do not need to access the inside of the
chassis or power down the system to install or replace hard drives. Proceed to the
next section for instructions.
Hard Drive Installation
The hard drives are mounted in drive carriers to simplify their installation and
removal from the chassis. These carriers also help promote proper airfl ow for
the drive bays. For this reason, even empty carriers without drives installed must
remain in the chassis.
Removing Hard Drive Carriers from the Chassis
1. Press the release button on the drive carrier. This extends the drive carrier handle.
2. Use the handle to pull the drive carrier out of the chassis.
Installing a Hard Drive into a Drive Carrier
1. Remove the dummy drive, which comes pre-installed in the drive carrier, by
removing the screws securing the dummy drive to the carrier. Note that these
screws cannot be reused on the actual 2.5" hard drive.
2. Insert a drive into the carrier with the PCB side facing down and the connec-
tor end toward the rear of the carrier.
3. Align the drive in the carrier so that the screw holes of both line up. Note that
there are holes in the carrier marked “SATA” to aid in correct installation.
4. Secure the drive to the carrier with four M3 screws as illustrated below. These
screws are included in the chassis accessory box.
5. Insert the drive carrier into its bay, keeping the carrier oriented so that the
hard drive is on the top of the carrier and the release button is on the right
side. When the carrier reaches the rear of the bay, the release handle will
retract.
6. Push the handle in until it clicks into its locked position
Warning: Except for short periods of time (swapping hard drives), do not
operate the server with the hard drive carriers removed.
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!
Figure 6-6. Removing a Hard Drive Carrier
1
1
Figure 6-7. Installing a Hard Drive into a Carrier
1
2
Enterprise level hard disk drives are recommended for use in Supermicro
chassis and servers. For information on recommended HDDs, visit the
Supermicro Web site at http://www.supermicro.com/products/nfo/storage.
cfm
6-5 Power Supply
The 1027GR-TRF/1027GR-TRFT series server includes an 1800 watt redundant
power supply consisting of two power modules. Each power supply module has an
auto-switching capability, which enables it to automatically sense and operate at a
100V - 240V input voltage.
If either of the two power supply modules fail, the other module will take the full
load and allow the system to continue operation without interruption.
Replacement units can be ordered directly from Supermicro. The power supply
units have a hot-swap capability, meaning you can replace the failed unit without
powering down the system.
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Chapter 6: Advanced Chassis Setup
Figure 6-8. Removing the Power Supply
Removing the Power Supply
1. First unplug the AC power cord from the failed power supply module.
2. Depress the locking tab on the power supply module.
3. Use the handle to pull it straight out with the rounded handle.
Installing a New Power Supply
1. Replace the failed hot-swap unit with another identical power supply unit.
2. Push the new power supply unit into the power bay until you hear a click.
3. Secure the locking tab on the unit.
4. Finish by plugging the AC power cord back into the unit.
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Notes
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Chapter 7: BIOS
Chapter 7
BIOS
7-1 Introduction
This chapter describes the AMI BIOS Setup utility for the X9DRG-HF/HTF. It also
provides the instructions on how to navigate the AMI BIOS Setup utility screens.
The AMI ROM BIOS is stored in a Flash EEPROM and can be easily updated.
Starting BIOS Setup Utility
To enter the AMI BIOS Setup utility screens, press the <Del> key while the system
is booting up.
Note: In most cases, the <Del> key is used to invoke the AMI BIOS setup
screen. There are a few cases when other keys are used, such as <F3>,
<F4>, etc.
Each main BIOS menu option is described in this manual. The Main BIOS setup
menu screen has two main frames. The left frame displays all the options that can
be confi gured. Grayed-out options cannot be confi gured. Options in blue can be
confi gured by the user. The right frame displays the key legend. Above the key
legend is an area reserved for a text message. When an option is selected in the
left frame, it is highlighted in white. Often a text message will accompany it.
Note: The AMI BIOS has default text messages built in. The manufacturer
retains the option to include, omit, or change any of these text mes-
sages.
The AMI BIOS Setup utility uses a key-based navigation system called "hot keys."
Most of the AMI BIOS setup utility "hot keys" can be used at any time during setup
navigation. These keys include <F3>, <F4>, <Enter>, <ESC>, arrow keys, etc.
Note 1: Options printed in Bold are default settings.
Note 2: <F3> is used to load optimal default settings. <F4> is used to save
the settings and exit the setup utility.
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How To Change the Confi guration Data
The confi guration data that determines the system parameters may be changed by
entering the AMI BIOS Setup utility. This Setup utility can be accessed by pressing
<Delete> at the appropriate time during system boot.
Note: For AMI UEFI BIOS Recovery, please refer to the UEFI BIOS Re-
covery User Guide posted @http://www.supermicro.com/support/manuals/.
Starting the Setup Utility
Normally, the only visible Power-On Self-Test (POST) routine is the memory test.
As the memory is being tested, press the <Delete> key to enter the main menu of
the AMI BIOS Setup utility. From the main menu, you can access the other setup
screens. An AMI BIOS identifi cation string is displayed at the left bottom corner of
the screen below the copyright message.
Warning! Do not upgrade the BIOS unless your system has a BIOS-related
issue. Flashing the wrong BIOS can cause irreparable damage to the sys-
tem. In no event shall the manufacturer be liable for direct, indirect, special,
incidental, or consequential damage arising from a BIOS update. If you have
to update the BIOS, do not shut down or reset the system while the BIOS
is being updated to avoid possible boot failure.
7-2 Main Setup
When you fi rst enter the AMI BIOS Setup utility, you will enter the Main setup screen.
You can always return to the Main setup screen by selecting the Main tab on the
top of the screen. The Main BIOS Setup screen is shown below.
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Chapter 7: BIOS
The AMI BIOS Main menu displays the following information:
System Date/System Time
Use this option to change the system time and date. Highlight System Time or
System Date using the arrow keys. Enter new values through the keyboard and
press <Enter>. Press the <Tab> key to move between fi elds. The date must be
entered in Day MM/DD/YY format. The time is entered in HH:MM:SS format. (Note:
The time is in the 24-hour format. For example, 5:30 P.M. appears as 17:30:00.).
Supermicro X9DRG-HF
Version
This item displays the SMC version of the BIOS ROM used in this system.
Build Date
This item displays the date that the BIOS Setup utility was built.
Memory Information
Total Memory
This displays the amount of memory that is available in the system.
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7-3 Advanced Setup Confi gurations
Select the Advanced tab to access the following submenu items.
XBoot Features
Quiet Boot
This feature allows the user to select bootup screen display between POST mes-
sages and the OEM logo. Select Disabled to display the POST messages. Select
Enabled to display the OEM logo instead of the normal POST messages. The op-
tions are Enabled and Disabled.
AddOn ROM Display Mode
Use this item to set the display mode for the Option ROM. Select Keep Current to
use the current AddOn ROM Display setting. Select Force BIOS to use the Option
ROM display mode set by the system BIOS. The options are Force BIOS and
Keep Current.
Bootup Num-Lock
Use this feature to set the Power-on state for the Numlock key. The options are
Off and On.
Wait For 'F1' If Error
Select Enabled to force the system to wait until the 'F1' key is pressed if an error
occurs. The options are Disabled and Enabled.
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Chapter 7: BIOS
Interrupt 19 Capture
Interrupt 19 is the software interrupt that handles the boot disk function. When this
item is set to Enabled, the ROM BIOS of the host adaptors will "capture" Interrupt 19
at bootup and allow the drives that are attached to these host adaptors to function
as bootable disks. If this item is set to Disabled, the ROM BIOS of the host adap-
tors will not capture Interrupt 19, and the drives attached to these adaptors will not
function as bootable devices. The options are Enabled and Disabled.
Power Confi guration
Watch Dog Function
If enabled, the Watch Dog timer will allow the system to reboot when it is inactive
for more than 5 minutes. The options are Enabled and Disabled.
Power Button Function
If this feature is set to Instant Off, the system will power off immediately as soon
as the user presses the power button. If this feature is set to 4 Seconds Override,
the system will power off when the user presses the power button for 4 seconds or
longer. The options are Instant Off and 4 Seconds Override.
Restore on AC Power Loss
Use this feature to set the power state after a power outage. Select Stay Off for the
system power to remain off after a power loss. Select Power On for the system
power to be turned on after a power loss. Select Last State to allow the system
to resume its last state before a power loss. The options are Power On, Stay Off,
and Last State.
XCPU Confi guration
This submenu displays the information of the CPU as detected by the BIOS. It also
allows the user to confi guration CPU settings.
XSocket 1 CPU Information/Socket 2 CPU Information
This submenu displays the following information regarding the CPUs installed
in Socket 1/ Socket 2.
• Type of CPU
• CPU Signature
• Microcode Patch
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• CPU Stepping
• Maximum CPU Speed
• Minimum CPU Speed
• Processor Cores
• Intel HT (Hyper-Threading) Technology
• Intel VT-x Technology
• Intel SMX Technology
• L1 Data Cache
• L1 Code Cache
• L2 Cache
• L3 Cache
CPU Speed
This item displays the speed of the CPU installed in Socket 1/Socket 2.
64-bit
This item indicates if the CPU installed in Socket 1 or Socket 2 supports 64-bit
technology.
Clock Spread Spectrum
Select Enable to enable Clock Spectrum support, which will allow the BIOS to moni-
tor and attempt to reduce the level of Electromagnetic Interference caused by the
components whenever needed. The options are Disabled and Enabled.
RTID (Record Types IDs)
This feature displays the total number of Record Type IDs for local and remote
pools. The options are Optimal and Alternate.
Hyper-threading
Select Enabled to support Intel Hyper-threading Technology to enhance CPU per-
formance. The options are Enabled and Disabled.
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Chapter 7: BIOS
Active Processor Cores
Set to Enabled to use a processor's second core and above. (Please refer to Intel's
website for more information.) The options are All, 1, 2, 4 and 6.
Limit CPUID Maximum
This feature allows the user to set the maximum CPU ID value. Enable this function
to boot the legacy operating systems that cannot support processors with extended
CPUID functions. The options are Enabled and Disabled (for the Windows OS).
Execute-Disable Bit (Available if supported by the OS & the CPU)
Select Enabled to enable the Execute Disable Bit which will allow the processor
to designate areas in the system memory where an application code can execute
and where it cannot, thus preventing a worm or a virus from fl ooding illegal codes
to overwhelm the processor or damage the system during an attack. The default is
Enabled. (Refer to Intel and Microsoft Web sites for more information.)
Intel® AES-NI
Select Enable to use the Intel Advanced Encryption Standard (AES) New Instruc-
tions (NI) to ensure data security. The options are Enabled and Disabled.
MLC Streamer Prefetcher (Available when supported by the CPU)
If set to Enabled, the MLC (mid-level cache) streamer prefetcher will prefetch
streams of data and instructions from the main memory to the L2 cache to improve
CPU performance. The options are Disabled and Enabled.
MLC Spatial Prefetch (Available when supported by the CPU)
If this feature is set to Disabled, The CPU prefetches the cache line for 64 bytes.
If this feature is set to Enabled the CPU fetches both cache lines for 128 bytes as
comprised. The options are Disabled and Enabled.
DCU Streamer Prefetcher (Available when supported by the CPU)
Select Enabled to support Data Cache Unite (DCU) prefetch of L1 data to speed
up data accessing and processing in the DCU to enhance CPU performance. The
options are Disabled and Enabled.
DCU IP Prefetcher
Select Enabled for DCU (Data Cache Unit) IP Prefetcher support, which will prefetch
IP addresses to improve network connectivity and system performance. The options
are Enabled and Disabled.
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Intel® Virtualization Technology (Available when supported by the CPU)
Select Enabled to support Intel Virtualization Technology, which will allow one
platform to run multiple operating systems and applications in independent parti-
tions, creating multiple "virtual" systems in one physical computer. The options
are Enabled and Disabled.
Note: If there is any change to this setting, you will need to power off and
restart the system for the change to take effect. Please refer to Intel’s
website for detailed information.)
X CPU Power Management Confi guration
This submenu allows the user to confi gure the following CPU Power Management
settings.
Power Technology
Select Energy Effi ciency to support power-saving mode. Select Custom to cus-
tomize system power settings. Select Disabled to disable power-saving settings.
The options are Disabled, Energy Effi cient, and Custom. If the option is set to
Custom, the following items will display:
EIST (Available when Power Technology is set to Custom)
EIST (Enhanced Intel SpeedStep Technology) allows the system to au-
tomatically adjust processor voltage and core frequency to reduce power
consumption and heat dissipation. The options are Disabled (GV3 Disabled),
and Enabled (GV3 Enabled). (Note: GV3 is Intel Speedstep support used
on older platforms. Please refer to Intel’s website for detailed information.)
Turbo Mode (Available when Power Technology is set to Custom)
Select Enabled to use the Turbo Mode to boost system performance. The
options are Enabled and Disabled.
C1E (Available when Power Technology is set to Custom)
Select Enabled to enable Enhanced C1 Power State to boost system per-
formance. The options are Enabled and Disabled.
CPU C3 Report (Available when Power Technology is set to Custom)
Select Enabled to allow the BIOS to report the CPU C3 State (ACPI C2) to
the operating system. During the CPU C3 State, the CPU clock generator
is turned off. The options are Enabled and Disabled.
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Chapter 7: BIOS
CPU C6 Report (Available when Power Technology is set to Custom)
Select Enabled to allow the BIOS to report the CPU C6 State (ACPI C3) to
the operating system. During the CPU C6 State, the power to all cache is
turned off. The options are Enabled and Disabled.
CPU C7 Report (Available when Power Technology is set to Custom)
Select Enabled to allow the BIOS to report the CPU C7 State (ACPI C3) to
the operating system. CPU C7 State is a processor-specifi c low C-State.
The options are Enabled and Disabled.
Package C-State limit (Available when Power Technology is set to
Custom)
This feature allows the user to set the limit on the C-State package register.
The options are C0, C2, C6, and No Limit.
Energy/Performance Bias
This setting allows the user to adjust the fan speed based on performance (maxi-
mum cooling) or energy effi ciency (maximum energy savings). The options are
Performance, Balanced Performance, Balanced Energy, and Energy Effi cient.
Factory Long Duration Power Limit
This item displays the power limit set by the manufacturer during which long
duration power is maintained.
Long Duration Power Limit
This item displays the power limit set by the user during which long duration
power is maintained. The default setting is 0.
Factory Long Duration Maintained
This item displays the period of time set by the manufacturer during which long
duration power is maintained.
Long Duration Maintained
This item displays the period of time during which long duration power is main-
tained. The default setting is 0.
Recommended Short Duration Power
This item displays the short duration power settings recommended by the
manufacturer.
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SUPERSERVER 1027GR-TRF/1027GR-TRFT User's Manual
Short Duration Power Limit
This item displays the time period during which short duration power is main-
tained. The default setting is 0.
XChipset Confi guration
XNorth Bridge
This feature allows the user to confi gure the settings for the Intel North Bridge.
XIntegrated IO Confi guration
Intel VT-d
Select Enabled to enable Intel Virtualization Technology support for Direct I/O
VT-d
by reporting the I/O device assignments to the VWM (Virtual Working
Memory) through the DMAR ACPI Tables. This feature offers fully-protected
I/O resource sharing across Intel platforms, providing greater reliability, security
and availability in networking and data-sharing. The options are Enabled and
Disabled.
Data Direct I/O
Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which sig-
nifi cantly reduces CPU overhead by leveraging CPU architectural improvements
and freeing the system resource for other tasks. The options are Disabled and
Enabled.
DCA Support
When set to Enabled, this feature uses Intel's DCA (Direct Cache Access)
Technology to improve data transfer effi ciency. The default is Enabled and can
not be changed.
IIO 1 PCIe Port Bifurcation Control
This submenu confi gures the following IO PCIe Port Bifurcation Control settings
for IIO 1 PCIe ports to determine how the available PCI-Express lanes to be
distributed between the PCI-Exp. Root Ports.
CPU1 Slot 5 PCI-E 3.0 x8 OPROM
This feature allows the user to set the PCI-Exp bus speed for the slot specifi ed
above. The options are Gen1 (Generation 1), Gen2 and Gen3.
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Chapter 7: BIOS
CPU1 Slot 2 PCI-E 3.0 x16 OPROM
This feature allows the user to set the PCI-Exp bus speed for the slot specifi ed
above. The options are Gen1 (Generation 1), Gen2 and Gen3.
CPU1 Slot 1 PCI-E 3.0 x16 OPROM
This feature allows the user to set the PCI-Exp bus speed for the slot specifi ed
above. The options are Gen1 (Generation 1), Gen2 and Gen3.
IIO 2 PCIe Port Bifurcation Control
This submenu confi gures the following IO PCIe Port Bifurcation Control settings
for IIO 2 PCIe ports to determine how the available PCI-Express lanes to be
distributed between the PCI-Exp. Root Ports.
CPU2 Slot 3 PCI-E 3.0 x16 OPROM
This feature allows the user to set the PCI-Exp bus speed for the slot specifi ed
above. The options are Gen1 (Generation 1), Gen2 and Gen3.
CPU2 Slot 4 PCI-E 3.0 x16 OPROM
This feature allows the user to set the PCI-Exp bus speed for the slot specifi ed
above. The options are Gen1 (Generation 1), Gen2 and Gen3.
XQPI Confi guration
Current QPI Link
This item displays the current status of the QPI Link.
Current QPI Frequency
This item displays the frequency of the QPI Link.
Isoc
Select Enabled to enable Ischronous support to meet QoS (Quality of Service)
requirements. This feature is especially important for virtualization technology.
The options are Enabled and Disabled.
QPI (Quick Path Interconnect) Link Speed Mode
Use this feature to select data transfer speed for QPI Link connections. The
options are Fast and Slow.
QPI Link Frequency Select
Use this feature to select the desired QPI frequency. The options are Auto, 6.4
GT/s, 7.2 GT/s, and 8.0 GT/s.
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XDIMM Confi guration
This section displays the following DIMM information.
Current Memory Mode
This item displays the current memory mode.
Current Memory Speed
This item displays the current memory speed.
Mirroring
This item displays if memory mirroring is supported by the motherboard. Memory
mirroring creates a duplicate copy of the data stored in the memory to enhance
data security.
Sparing
This item displays if memory sparing is supported by the motherboard. Memory
sparing enhances system performance.
XDIMM Information
CPU Socket 1 DIMM Information/ CPU Socket 2 DIMM Information
The status of the memory modules detected by the BIOS will be displayed as
detected by the BIOS.
Memory Mode
When Independent is selected, all DIMMs are available to the operating system.
When Mirroring is selected, the motherboard maintains two identical copies of all
data in memory for data backup. When Lock Step is selected, the motherboard
uses two areas of memory to run the same set of operations in parallel. The
options are Independent, Mirroring, and Lock Step.
DRAM RAPL Mode
RAPL (Running Average Power Limit) provides mechanisms to enforce power
consumption limits on supported processors The options are DRAM RAPL
MODE0 , DRAM RAPL MODE1, and Disabled.
DDR Speed
Use this feature to force a DDR3 memory module to run at a frequency other
than what is specifi ed in the specifi cation. The options are Auto, Force DDR3-
800, Force DDR3-1066, Force DDR3-1333, Force DDR3-1600 and Force SPD.
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Chapter 7: BIOS
Channel Interleaving
This feature selects from the different channel interleaving methods. The options
are Auto, 1 Way, 2 Way, 3, Way, and 4 Way.
Rank Interleaving
This feature allows the user to select a rank memory interleaving method. The
options are Auto, 1 Way, 2 Way, 4, Way, and 8 Way.
Patrol Scrub
Patrol Scrubbing is a process that allows the CPU to correct correctable memory
errors detected on a memory module and send the correction to the requestor
(the original source). When this item is set to Enabled, the IO hub will read and
write back one cache line every 16K cycles, if there is no delay caused by internal
processing. By using this method, roughly 64 GB of memory behind the IO hub
will be scrubbed every day. The options are Enabled and Disabled.
Demand Scrub
Demand Scrubbing is a process that allows the CPU to correct correctable
memory errors found on a memory module. When the CPU or I/O issues a
demand-read command, and the read data from memory turns out to be a
correctable error, the error is corrected and sent to the requestor (the original
source). Memory is updated as well. Select Enabled to use Demand Scrubbing
for ECC memory correction. The options are Enabled and Disabled.
Data Scrambling
Select Enabled to enable data scrambling to ensure data security and integrity.
The options are Disabled and Enabled.
Device Tagging
Select Enabled to support device tagging. The options are Disabled and En-
abled.
Thermal Throttling
Throttling improves reliability and reduces power consumption in the proces-
sor via automatic voltage control during processor idle states. The options are
Disabled and CLTT (Closed Loop Thermal Throttling).
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XSouth Bridge Confi guration
This feature allows the user to confi gure the settings for the Intel PCH chip.
PCH Information
This feature displays the following PCH information.
Name: This item displays the name of the PCH chip.
Stepping: This item displays the status of the PCH stepping.
USB Devices: This item displays the USB devices detected by the BIOS.
All USB Devices
This feature enables all USB ports/devices. The options are Disabled and Enabled.
(If set to Enabled, EHCI Controller 1 and Controller 2 will appear.)
EHCI Controller 1/EHCI Controller 2 (Available when All USB Devices is set
to Enabled)