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SUPER
X7DWT
X7DWT-INF
USER’S MANUAL
Revision 1.0
Manual Revision 1.0
Release Date: Nov. 27, 2007
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.
Copyright © 2007 by SUPER MICRO COMPUTER, INC.
All rights reserved.
Printed in the United States of America
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, if any,
and documentation may not, in whole or in part, be copied, photocopied, reproduced, translated or
reduced to any medium or machine without prior written consent.
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. Supermicro'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.
Preface
About This Manual
This manual is writ ten for system integrators, PC technicians and
knowledgeable PC users. It provides information for the installation and use of
the X7DWT/X7DWT-INF motherboard. The X7DWT/X7DWT-INF sup-
ports dual Intel Xeon 64-bit Quad-Core/Dual-Core processors at a front side bus
speed of up to 1.6 GHz With two Xeon 64-bit Quad-Core/Dual-Core processors,
Intel 5400 Chipset, and eight DDR2 FBD (Fully Buffered) 800/667/533 memory
modules built-in, the X7DWT/X7DWT-INF offers substantial functionality and per-
formance enhancements to the motherboards based on the Core microarchitecture
while remaining compatible with the 32-bit based software. Key features sup-
ported include Enhanced Intel SpeedStep technology, Virtualization Technology,
PECI (Platform Environment Control Interface), Advanced Dynamic Execution,
Advanced Transfer Cache, Streaming SIMD Extensions 4 (SSE4), and Thermal
Monitor 2 (TM2) Technology. These features allow the motherboard to operate at
much higher speeds with better power management in much safer environments
than the traditional motherboards. This motherboard is ideal for high performance
dual processor (DP) enterprise server environments. This product is intended to
be professionally installed.
Manual Organization
Chapter 1 describes the features, specifications and performance of the
mainboard and provides detailed information about the chipset.
Chapter 2 provides hardware installation instructions. Read this chapter when
installing the processor, memory modules and other hardware components.
Chapter 3, which describes troubleshooting procedures for the video, the memory
and the system setup stored in the CMOS.
Chapter 4 includes an introduction to BIOS and provides detailed information on
running the CMOS Setup utility.
Appendix A and Appendix B provide BIOS POST Messages and POST Codes.
Appendix C, Appendix D and Appendix E list HostRAID Setup Guidelines and
Other Software Installation Instructions.
Conventions Used in the Manual:
Special attention should be given to the following symbols for proper installation
and to prevent damage done to the components or injury to yourself:
Warning: Important information given to ensure proper system installation or
to prevent damage to the components.
Note: Additional Information given to differentiate various models or to ensure
correct system setup.
iii
Preface
iv
Preface
About This Manual ...................................................................................................... iii
Manual Organization ................................................................................................... iii
Conventions Used in the Manual .................................................................................. iii
Chapter 1: Introduction
1-1 Overview ......................................................................................................... 1-1
Checklist ................................................................................................... 1-1
Contacting Supermicro ............................................................................. 1-2
X7DWT/X7DWT-INF Image ........................................................ 1-3
X7DWT/X7DWT-INF Layout ....................................................... 1-4
Quick Reference ...................................................................................... 1-5
Motherboard Features ................................................................................ 1-6
Intel 5400 Chipset: System Block Diagram ............................................. 1-8
1-2 Chipset Overview ........................................................................................... 1-9
1-3 Special Features ........................................................................................... 1-10
1-4 PC Health Monitoring .................................................................................... 1-10
1-5 ACPI Features .............................................................................................. 1-11
1-6 Power Supply ............................................................................................... 1-12
1-6 Super I/O ...................................................................................................... 1-12
Chapter 2: Installation
2-1 Static-Sensitive Devices ................................................................................. 2-1
Precautions ................................................................................................ 2-1
Unpacking ................................................................................................ 2-1
2-2 Processor and Heatsink Installation ............................................................... 2-2
2-3 Installing DIMMs ............................................................................................. 2-6
2-4 Control Panel Connectors and IO Ports ......................................................... 2-8
Back Panel Connectors/IO Ports .................................................................. 2-8
Front Control Panel ....................................................................................... 2-9
Front Control Panel Pin Defi nitions ............................................................. 2-10
NMI Button ............................................................................................. 2-10
Power LED ............................................................................................. 2-10
HDD LED .............................................................................................. 2-11
NIC1/NIC2 LEDs ................................................................................... 2-11
Overheat/Fan Fail LED ......................................................................... 2-12
Power Fail LED ........................................................................................ 2-12
Reset Button ............................................................................................ 2-13
Table of Contents
X7DWT/X7DWT-INF User's Manual
Chapter 4: BIOS
4-1 Introduction ....................................................................................................... 4-1
4-2 Running Setup ................................................................................................. 4-2
4-3 Main BIOS Setup ............................................................................................. 4-2
4-4 Advanced Setup ............................................................................................... 4-6
4-5 Security Setup ............................................................................................... 4-22
4-6 Boot Setup ...................................................................................................... 4-23
4-7 Exit .................................................................................................................. 4-24
Appendices:
Appendix A: BIOS POST Messages ..........................................................................A-1
Appendix B: BIOS POST Codes ................................................................................B-1
Appendix C: Intel HostRAID Setup Guidelines ..........................................................C-1
Appendix D: Adaptec HostRAID Setup Guidelines ....................................................D-1
Appendix E: Installing Other Software Programs and Drivers ...................................E-1
X7DWT/X7DWT-INF User's Manual
Chapter 1: Introduction
1-1
Chapter 1
Introduction
1-1 Overview
Checklist
Congratulations on purchasing your computer motherboard from an acknowledged
leader in the industry. Supermicro boards are designed with the utmost attention
to detail to provide you with the highest standards in quality and performance.
Check that the following items have all been included with your motherboard. If
anything listed here is damaged or missing, contact your retailer.
All the following items are included in the retail box.
One (1) Supermicro Mainboard
Four (4) SATA cable for IDE devices (CBL-0044)
One (1) Supermicro CD containing drivers and utilities
One (1) User's/BIOS Manual
1-2
X7DWT/X7DWT-INF User's Manual
Contacting Supermicro
Headquarters
Address: Super Micro Computer, Inc.
980 Rock Ave.
San Jose, CA 95131 U.S.A.
Tel: +1 (408) 503-8000
Fax: +1 (408) 503-8008
Email: marketing@supermicro.com (General Information)
support@supermicro.com (Technical Support)
Web Site: www.supermicro.com
Europe
Address: Super Micro Computer B.V.
Het Sterrenbeeld 28, 5215 ML
's-Hertogenbosch, The Netherlands
Tel: +31 (0) 73-6400390
Fax: +31 (0) 73-6416525
Email: sales@supermicro.nl (General Information)
support@supermicro.nl (Technical Support)
rma@supermicro.nl (Customer Support)
Asia-Pacifi c
Address: Super Micro, Taiwan
4F, No. 232-1 Liancheng Road
Chung-Ho 235, Taipei Hsien, Taiwan, R.O.C.
Tel: +886-(2) 8226-3990
Fax: +886-(2) 8226-3991
Web Site: www.supermicro.com.tw
Technical Support:
Email: support@supermicro.com.tw
Tel: 886-2-8228-1366, ext.132 or 139
Chapter 1: Introduction
1-3
X7DWT/X7DWT-INF Image
Note: The drawings and pictures shown in this manual were based on the
latest PCB Revision available at the time of publishing of the manual. The
motherboard you’ve received may or may not look exactly the same as the
graphics shown in the manual.
1-4
X7DWT/X7DWT-INF User's Manual
X7DWT/X7DWT-INF Motherboard Layout
1. Jumpers not indicated are for test purposes only.
2. See Chapter 2 for detailed information on jumpers, I/O ports and
JF1 front panel connections.
3. " " indicates the location of Pin 1.
4. The Infi niBand is available on the X7DWT-INF only.
5. You cannot use both 20-pin power connectors located at JWR1 (the right side
connector) and JWR2 (the left side connector) as input power supply connectors
at the same time. Only one connector can be used for input power supply to the
motherboard at one time. For proper use of these proprietary PWR Connectors,
please customize your PWR cables based on the Power Connector Pin-Out Defi ni-
tions listed on Page 2-14.
6. The 4-pin Auxiliary Power Connector is used for power supply output to the
HDDs only.
7. Refer to Pages 2-14, 2-15 for more information on power connectors.
(not drawn to scale)
Notes:
J29
JPCIE1
JLAN1
JUSB1
JUSB2
JPL1
J_VMEM
JL1
LE2
LE1
JCOM1
J9B2
JBT1
JF1
JP10
J17
LAN1
JLAN2
LAN2
BIOS
SIMSO IPMI
LAN
CTRL
Battery
JVGA1
LE3
J4
VGA
CTRL
J18
SMB
JPL2
SGPIO
CPLD
Intel 5400
North Bridge
CPU 2
J9B1
J8B3
J8B1
J7B3
J7B2
J7B1
FP CTRL
JWD
CPU 1
FAN1/2
20-Pin PWR
JWR2 JWR1
PWSMB
CTRL
InfiniBand
DIMM2B
DIMM2A
DIMM1B
DIMM1A
20-Pin PWR
4-Pin Aux. PWR
S I/O
JPG1 JWOL
Intel ESB2
South Bridge
J8B2
FAN3/4
JSPK
COM1
SATA2
DIMM4B
FPUSB2/3
BANK4
USB0/1
DIMM4A
DIMM3B
DIMM3A
BANK3BANK2BANK1
VGA
SATA3
SATA0
SATA1
PCI-Express x16
FAN5/6
FAN7/8
Infini- Band
X7DWT-INF
Chapter 1: Introduction
1-5
Quick Reference( X7DWT/X7DWT-INF)
Jumper Description Default Setting
JBT1 CMOS Clear See Chapter 2
JPG1 VGA Enable Pins 1-2 (Enabled)
JPL1 GLAN1 Enable Open (Enabled)
JPL2 GLAN2 Enable Open (Enabled)
JWD Watch Dog Pins 1-2 (Reset)
Connector Description
FAN 1-8 Fans 1-8 (CPU Fans/Chassis Fans)
J4 Infi niBand Connector (For X7DWT-INF only)
J17 Power System Management Bus (I2C) Header
J18 System Management Bus Header
J29 Serial General Purpose Input/Output Header
COM1 COM1 (JCOM1) Serial Port
JF1 Front Control Panel Connector
JL1 Chassis Intrusion Header
LAN1/LAN2 G-bit Ethernet Ports
JP10 4-pin Aux. PWR (for output only) (for HDDs) (Note 2)
JWR1 Primary 20-Pin PWR Connector (Note1)
JWR2 External 20-Pin PWR Connector (Note1)
JSPK Speaker Header
JWOL Wake-on LAN Header
USB 0/1 Back Panel USB 0/1 for external use (JUSB1)
USB 2/3 Front Panel USB 2/3
VGA VGA Connector (JVGA1)
SIMSO SIMSO IPMI slot
SATA 0-3 Intel SATA 0-3 Connectors
LED Indicator Description (See Chapter 2)
LE1 Onboard Power LED Indicator
LE2 Infi niBand Link LED (green)
LE3 Infi niBand Activity LED (yellow)
Note 1: You cannot use both 20-pin power connectors located at JWR1 (the
right side connector) and JWR2 (the left side connector) as input power supply
connectors at the same time. Only one connector can be used for input power
supply to the motherboard at one time. For proper use of these proprietary PWR
Connectors, please customize your PWR cables based on the Power Connector
Pin-Out Defi nitions listed on Page 2-14.
Note 2: The 4-pin Auxiliary PWR Connector is used as a power output to the HDDs
only. Refer to Pages 2-14, 2-15 for more information on power connectors.
1-8
X7DWT/X7DWT-INF User's Manual
Block Diagram of the Motherboard
Note: This is a general block diagram. Please see the previous Motherboard Features
pages for details on the features of the motherboard.
PCI-X
USB 2.0
3.0 Gb/S
KUMERAN
PORTS
PORT PORT
PORT PORT
PORT
PORT
#0
MCH
PROCESSOR#2
ESB2
PCI-EXP x8
GILGAL
GB LAN FWH
RJ45
RJ45
LPC
COM2
SIO
W83627
VGA
PCI 33MHz
ES1000
VGA
CONN
KB
MS
VRM
ISL6327
#5
#1,2,3,4
#4 #3
#2
#0
VRM
ISL6327
PROCESSOR#1
MT/S
1600/1333/1067
MT/S
FBD DIMM
#4B
#4A
#2B #3B
#2A #3A
FBD DIMM
FBD DIMM
HF
USB
#0
#1
#2
#3
#4
PCIE x4
PCIE x4
Bank 1
Bank 3
Bank 4
#1B
#1A
FBD DIMM
SATA
#0
#1
#2
#3
PORT#1
PORTS
#7,8
PCI-EXP x16
MT25204
PCI-E SLOT
#9
PORT
PORT #6
5400
1600/1333/1067
Bank 2
Chapter 1: Introduction
1-9
1-2 Chipset Overview
Built upon the functionality and the capability of the 5400 chipset, the X7DWT/
X7DWT-INF motherboard provides the performance and feature set required
for dual processor-based servers with configuration options optimized for
communications, presentation, storage, computation or database applications.
The 5400 chipset supports single or dual Xeon 64-bit Quad-Core/Dual-Core
processor(s) with a front side bus speeds of up to 1.600 GHz. The chipset consists
of the 5400 Memory Controller Hub (MCH) and the Enterprise South Bridge 2
(ESB2).
The 5400 MCH chipset is designed for symmetric multiprocessing across two
independent front side bus interfaces. Each front side bus uses a 64-bit wide,
1600 MHz data bus to transfer data. The MCH chipset connects up to eight Fully
Buffered DIMM modules, providing a total memory of up to 64 GB for DDR2 FBD
800/667/533 MHz. The MCH chipset also provides one x8 PCI-Express and one
x4 ESI interfaces to the ESB2. In addition, the 5400 chipset offers a wide range of
RAS features, including memory interface ECC, x4/x8 Single Device Data Correc-
tion, CRC, parity protection, memory mirroring and memory sparing.
Xeon Quad-Core/Dual-Core Processor Features
Designed to be used with conjunction of the 5400 chipset, the Xeon Quad-Core/
Dual-Core Processor provides a feature set as follows:
Xeon Quad-Core/Dual-Core Processors
L1 Cache Size: Instruction Cache (32KB/16KB), Data Cache (32KB/24KB)
L2 Cache Size: 4MB/2MB (per core)
Data Bus Transfer Rate: 8.5 GB/s
Package: FC-LGA6/FC-LGA4, 771 Lands
1-10
X7DWT/X7DWT-INF User's Manual
1-3 Special Features
Recovery from AC Power Loss
The feature allows the user to set the power state after a power outage. You can
select Power-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 the power loss. The default
setting is Last State.
1-4 PC Health Monitoring
This section describes the PC health monitoring features of the X7DWT/X7DWT-
INF. All models have an onboard System Hardware Monitor chip that supports PC
health monitoring.
Onboard Voltage Monitors
An onboard voltage monitor will scan for CPU Cores, Memory Voltage, Chipset
Voltage (+1.5V),+1.8V, +3.3V, +5V, +12V, −12V, +3.3V Standby, +5V standby, HT
and VBAT continuously. Once a voltage becomes unstable, a warning is given or
an error message is sent to the screen. Users can adjust the voltage thresholds
to defi ne the sensitivity of the voltage monitor.
Fan Status Monitor with Firmware Control
The PC health monitor can check the RPM status of the cooling fans. The onboard
CPU and chassis fans are controlled by Thermal Management 2 (TM2) in the BIOS
(under Hardware Monitoring in the Advanced Setting).
Environmental Temperature Control
The thermal control sensor monitors the CPU temperature in real time and will turn
on the thermal control fan whenever the CPU temperature reaches a user-defi ned
threshold. The overheat circuitry runs independently from the CPU. Once it detects
that the CPU temperature is too high, it will automatically turn on the thermal fan
control to prevent overheating. The onboard chassis thermal circuitry can monitor
the overall system temperature and alert users when the chassis temperature is
too high.
CPU Fan Auto-Off in Sleep Mode
The CPU fan is activated when the power is turned on. It continues to operate even
when the system enters the standby mode. When in the sleep mode, the CPU will
not run at full power, thereby generating less heat.
CPU Overheat LED and Control
This feature is available when the user enables the CPU overheat warning function
in the BIOS. This allows the user to defi ne an overheat temperature threshold.
Chapter 1: Introduction
1-11
When the temperature reaches a user pre-defi ned threshold, both overheat fan
and warning LED are triggered.
System Resource Alert
This feature is available when used with Supero Doctor III in the Windows OS
environment or used with Supero Doctor II in Linux. Supero Doctor is used to
notify the user of certain system events. For example, if the system is running
low on virtual memory and there is insuffi cient hard drive space for saving the
data, you can be alerted of the potential problem. You can also confi gure Supero
Doctor to provide you with warnings when the system temperature reaches a
pre-defi ned range.
1-5 ACPI Features
ACPI stands for Advanced Confi guration and Power Interface. The ACPI specifi -
cation defi nes a fl exible and abstract hardware interface that provides a standard
way to integrate power management features throughout a PC system, including
its hardware, operating system and application software. This enables the system
to automatically turn on and off peripherals such as CD-ROMs, network cards,
hard disk drives and printers. This also includes consumer devices connected to
the PC such as VCRs, TVs, telephones and stereos.
In addition to enabling operating system-directed power management, ACPI
provides a generic system event mechanism for Plug and Play and an operating
system-independent interface for confi guration control. ACPI leverages the Plug
and Play BIOS data structures while providing a processor architecture-indepen-
dent implementation that is compatible with Windows 2000, Windows 2003, and
Windows Vista Operating Systems.
Slow Blinking LED for Suspend-State Indicator
When the CPU goes into a suspend state, the chassis power LED will start blinking
to indicate that the CPU is in suspend mode. When the user presses any key, the
CPU will wake up and the LED will automatically stop blinking and remain on.
Main Switch Override Mechanism
When a power supply is used, the power button can function as a system suspend
button to make the system enter a SoftOff state. The monitor will be suspended
and the hard drive will spin down. Pressing the power button again to wake up
the whole system. During the SoftOff state, the power supply provides power to
keep the required circuitry in the system "alive". In case the system malfunctions,
and you want to turn off the power, just press and hold the power button for 4
seconds. This option can be set in the Boot Features Section under Advanced
Setup in the BIOS.
Chapter 2: Installation
2-1
Chapter 2
Installation
2-1 Static-Sensitive Devices
Electrostatic-Discharge (ESD) can damage electronic com ponents. To
prevent damage to your system board, it is important to handle it very
carefully. The following measures are generally suffi cient to protect your
equipment from ESD.
Precautions
• Use a grounded wrist strap designed to prevent static discharge.
• Touch a grounded metal object before removing the board from the antistatic
bag.
• Handle the 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 motherboard 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 motherboard.
• Use only the correct type of onboard CMOS battery as specifi ed by the
manufacturer. Do not install the onboard battery upside down to avoid possible
explosion.
Unpacking
The motherboard is shipped in antistatic packaging to avoid static damage. When
unpacking the board, make sure the person handling it is static protected.
!
2-2
X7DWT/X7DWT-INF User's Manual
2-2 Processor and Heatsink Installation
Installation of the LGA771 Processor
1. Press the socket clip to release
the load plate, which covers the CPU
socket, from its locking position.
Socket Clip
2. Gently lift the socket clip to open
the load plate.
Load Plate
Load Plate
When handling the processor package, avoid placing
direct pressure on the label area of the fan.
Notes:
1. Always connect the power cord last and always remove it before adding, re-
moving or changing any hardware components. Make sure that you install the
processor into the CPU socket before you install the CPU heatsink.
2. Intel's boxed Xeon CPU package contains the CPU fan and heatsink assembly.
If you buy a CPU separately, make sure that you use only Intel-certifi ed multi-
directional heatsink and fan.
3. Make sure to install the motherboard into the chassis before you install the
CPU heatsink and fan.)
4. When purchasing an LGA 771 CPU or when receiving a motherboard with an
LGA 771 CPU pre-installed, make sure that the CPU plastic cap is in place and
none of the CPU pins are bent; otherwise, contact the retailer immediately.
5. Refer to the MB Features Section for more details on CPU support.
!
Chapter 2: Installation
2-3
Socket Key
(Socket Notch)
South Center Edge
North Center Edge
Socket clip
CPU in the CPU socket
Plastic cap
is released
from the
load plate
if the CPU
is properly
installed.
3. Use your thumb and your index
fi nger to hold the CPU at the North
Center Edge and the South Center
Edge of the CPU.
4. Align CPU Pin1 (the CPU corner
marked with a triangle) against the
socket corner that is marked with a
triangle cutout.
5. Align the CPU key that is the
semi-circle cutout below a gold dot
against the socket key, the notch on
the same side of the triangle cutout
on the socket.
6. Once aligned, carefully lower the
CPU straight down to the socket.
(Do not drop the CPU on the socket.
Do not move the CPU horizontally or
vertically. Do not rub the CPU against
the surface or any pins of the socket
to avoid damage to the CPU or the
socket.)
7. With the CPU inside the socket,
inspect the four corners of the CPU
to make sure that the CPU is properly
installed.
8. Use your thumb to gently push the
socket clip down to the clip lock.
9. If the CPU is properly installed
into the socket, the plastic cap will
be automatically released from the
load plate when the clip is pushed in
the clip lock. Remove the plastic cap
from the motherboard.
Warning: Please save the
plastic cap. The motherboard must be
shipped with the plastic cap properly
installed to protect the CPU. Ship-
ment without the plastic cap properly
installed will cause damage to the
socket pins.
!
CPU Key (semi-
circle cutout)
below the circle.
CPU Pin1
Corner with a
triangle cutout
gold dot
2-4
X7DWT/X7DWT-INF User's Manual
Installation of the Heatsink
CEK Passive Heatsink
Screw#1 Screw#2
Screw#1
1. Do not apply any thermal grease to
the heatsink or the CPU die-the required
amount has already been applied.
2. Place the heatsink on top of the CPU so
that the four mounting holes are aligned
with those on the retention mechanism.
3. Screw in two diagonal screws (ie the #1
and the #2 screws) until just snug (-do not
fully tighten the screws to avoid possible
damage to the CPU.)
4. Finish the installation by fully tightening
all four screws.
CEK Heatsink Installation
Screw#2
Warning: We do not recommend that
the CPU or the heatsink be removed.
However, if you do need to uninstall
the heatsink, please follow the instruc-
tions below to uninstall the heatsink to
prevent damage done to the CPU or
the CPU socket.
To Un-install the Heatsink
!
Chapter 2: Installation
2-5
Mounting the Motherboard in the Chassis
All motherboards have standard mounting holes to fi t different types of chassis.
Make sure that the locations of all the mounting holes for both motherboard and
chassis match. Make sure that the metal standoffs click in or are screwed in
tightly. Then, use a screwdriver to secure the motherboard onto the motherboard
tray. (Note: some components are very close to the mounting holes. Please take
precautionary measures to prevent damage done to these components when you
install the motherboard to the chassis.)
1. Unscrew and remove the heatsink screws
from the motherboard in the sequence as show
in the picture on the right.
2. Hold the heatsink as shown in the picture
on the right and gently wriggle the heatsink to
loosen it from the CPU. (Do not use excessive
force when wriggling the heatsink!!)
3. Once the CPU is loosened, remove the
heatsink from the CPU socket.
4. Clean the surface of the CPU and the
heatsink to get rid of the old thermal grease.
Reapply the proper amount of thermal grease
on the surface before you re-install the CPU
and the heatsink.
2-6
X7DWT/X7DWT-INF User's Manual
2-3 Installing DIMMs
Note: Check the Supermicro web site for recommended memory modules.
CAUTION
Exercise extreme care when installing or removing DIMM
modules to prevent any possible damage. Also note that the
memory is interleaved to improve performance (see step 1).
DIMM Installation (See Figure 2-2)
1. Insert the desired number of DIMMs into the memory slots, starting with DIMM
#1A. The memory scheme is interleaved so you must install two modules at
a time, beginning with DIMM #1A, then DIMM #2A and so on. For optimal
performance, please install four modules of the same type and same speed
in Branch 0 and Branch 1 at a time (up to 8 modules maximum). (See the
Memory Installation Table Below.)
2. Insert each DIMM module vertically into its slot. Pay attention to the notch along
the bottom of the module to prevent inserting the DIMM module incorrectly.
3. Gently press down on the DIMM module until it snaps into place in the slot.
Repeat for all modules (see step 1 above).
Memory Support
The X7DWT/X7DWT-INF supports up to 64 GB ECC DDR2 FBD (Fully Buffered)
800/667/533 in 8 DIMMs. Populating DIMM modules with pairs of memory mod-
ules of the same size and same type will result in Interleaved Memory which
will increase memory performance.
Note 1: Due to OS limitations, some operating systems may not show more than
4 GB of memory.
Note 2: Both 1.5V and 1.8V memory modules are supported. However, do not
use different memory modules with different speeds, voltages, sizes or types on
the same motherboard.
Note 3: Due to memory allocation to system devices, memory remaining avail-
Optimized DIMM Population Configurations
Branch 0 Branch 1
Number of
DIMMs
Bank 1
(Channel 0)
Bank 2
(Channel 1)
Bank 3
(Channel 2)
Bank 4
(Channel 3)
2 DIMMs 1A --- 2A --- --- --- --- ---
4 DIMMs 1A --- 2A --- 3A --- 4A ---
6 DIMMs 1A 1B 2A 2B 3A --- 4A ---
8 DIMMs 1A 1B 2A 2B 3A 3B 4A 4B
(*Notes: i. DIMM slot# specified: DIMM slot to be populated; “---“: DIMM
slot not to be populated. ii. Both FBD 533 MHz and 667MHz DIMMs are
supported; however, you need to use the memory modules of the same
speed and of the same type on a motherboard. iii. Interleaved memory is
supported when pairs of DIMM modules are installed. To optimize memory
performance, please populate pairs of memory modules in both Branch 0
and Branch 1. iv. For memory to work properly, you need to follow the
restrictions listed above. )
Chapter 2: Installation
2-7
able for operational use will be reduced when 4 GB of RAM is used. The reduction
in memory availability is disproportional. (Refer to the Memory Availability Table
below for details.
To Install: Insert module
vertically and press down
until it snaps into place.
Pay attention to the align-
ment notch at the bottom.
Installing and Removing DIMMs
2 FBD
To Remove:
Use your thumbs to
gently push the release
tabs near both ends of
the module. This should
release it from the slot.
2 FBD
Possible System Memory Allocation & Availability
System Device Size Physical Memory
Remaining (-Available)
(3 GB Total System Memory)
Physical Memory
Remaining (-Available)
(4 GB Total System Memory)
Firmware Hub
fl ash memory
(System BIOS)
1 MB 3.00 3.99
Local APIC 4 KB 3.00 3.99
Area Reserved
for the chipset
2 MB 3.00 3.99
I/O APIC (4
Kbytes)
4 KB 3.00 3.99
PCI Enumeration
Area 1
256 MB 3.00 3.76
PCI Express (256
MB)
256 MB 3.00 3.51
PCI Enumeration
Area 2 (if needed)
-Aligned on 256-
MB boundary-
512 MB 3.00 3.01
VGA Memory 16 MB 2.85 2.85
TSEG 1 MB 2.84 2.84
Memory available
to OS & other
applications
2.84 2.84
X7DWT-INF
2-8
X7DWT/X7DWT-INF User's Manual
X7DWT-INF
2-4 Control Panel Connectors/IO Ports
The I/O ports are color coded in conformance with the PC 99 specifi cation. See
Figure 2-3 below for the colors and locations of the various I/O ports.
Back Panel Connectors/IO Ports
Back Panel I/O Port Locations and Defi nitions
Back Panel Connectors
1. Back Panel USB Port 0
2. Back Panel USB Port 1
3. Gigabit LAN 1
4. Gigabit LAN 2
5. COM Port 2
6. VGA Port (Blue)
7. Infi niBand Connector (for
X7DWT-INF only)
(See Section 2-5 for details.)
1
2
3456 7
Chapter 2: Installation
2-9
X7DWT-INF
Front Control Panel
JF1 contains header pins for various buttons and indicators that are normally
located on a control panel at the front of the chassis. These connectors are de-
signed specifi cally for use with Supermicro server chassis. See Figure 2-4 for
the descriptions of the various control panel buttons and LED indicators. Refer
to the following section for descriptions and pin defi nitions.
JF1 Header Pins
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Reset
PWR
Vcc
Vcc
Vcc
Vcc
Ground
Ground
1920
Vcc
X
Ground NMI
X
Vcc
PWR Fail LED
NIC2 LED
2-10
X7DWT/X7DWT-INF User's Manual
Power LED
The Power LED connection is located
on pins 15 and 16 of JF1. Refer to the
table on the right for pin defi nitions.
NMI Button
The non-maskable interrupt button
header is located on pins 19 and 20
of JF1. Refer to the table on the right
for pin defi nitions.
NMI Button
Pin Defi nitions (JF1)
Pin# Defi nition
19 Control
20 Ground
Power LED
Pin Defi nitions (JF1)
Pin# Defi nition
15 +5V
16 Ground
Front Control Panel Pin Defi nitions
A. NMI
B. PWR LED
A
B
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Reset
PWR
Vcc
Vcc
Vcc
Vcc
Ground
Ground
1920
Vcc
X
Ground NMI
X
Vcc
PWR Fail LED
NIC2 LED
X7DWT-INF
Chapter 2: Installation
2-11
NIC1/NIC2 LED Indicators
The NIC (Network Interface Control-
ler) LED connection for GLAN port1
is located on pins 11 and 12 of JF1
and the LED connection for GLAN
Port2 is on Pins 9 and 10. Attach the
NIC LED cables to display network
activity. Refer to the table on the right
for pin defi nitions.
HDD LED
The HDD LED connection is located
on pins 13 and 14 of JF1. Attach a
hard drive LED cable here to display
disk activity (for any hard drives on
the system, including Serial ATA).
See the table on the right for pin
defi nitions.
HDD LED
Pin Defi nitions (JF1)
Pin# Defi nition
13 +5V
14 HD Active
GLAN1/2 LED
Pin Defi nitions (JF1)
Pin# Defi nition
9/11 Vcc
10/12 Ground
A
B
C
A. HDD LED
B. NIC1 LED
C. NIC2 LED
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Reset
PWR
Vcc
Vcc
Vcc
Vcc
Ground
Ground
1920
Vcc
X
Ground NMI
X
Vcc
PWR Fail LED
NIC2 LED
X7DWT-INF
2-12
X7DWT/X7DWT-INF User's Manual
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Reset
PWR
Vcc
Vcc
Vcc
Vcc
Ground
Ground
1920
Vcc
X
Ground NMI
X
Vcc
PWR Fail LED
NIC2 LED
Overheat/Fan Fail LED (OH)
Connect an LED to the OH/Fan Fail
connection on pins 7 and 8 of JF1
to provide advanced warnings of
chassis overheating or fan failure.
Refer to 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. Re-
fer to the table on the right for pin
defi nitions.
OH/Fan Fail LED
Pin Defi nitions (JF1)
Pin# Defi nition
7 Vcc
8 Ground
OH/Fan Fail Indicator
Status
State Defi nition
Off Normal
On Overheat
Flash-
ing
Fan Fail
PWR Fail LED
Pin Defi nitions (JF1)
Pin# Defi nition
5 Vcc
6 Ground
A
B
A. OH/Fan Fail LED
B. PWR Supply Fail
X7DWT-INF
Chapter 2: Installation
2-13
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Reset
PWR
Vcc
Vcc
Vcc
Vcc
Ground
Ground
1920
Vcc
X
Ground NMI
X
Vcc
PWR Fail LED
NIC2 LED
Power Button
The Power Button connection is located
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 but-
ton (with a setting in BIOS - see Chapter
4). 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.
Power Button
Pin Defi nitions (JF1)
Pin# Defi nition
1 Signal
2 +3V Standby
A. Reset Button
B. PWR Button
B
A
Reset Button
The Reset Button connection is located
on pins 3 and 4 of JF1. Attach it to the
hardware reset switch on the computer
case. Refer to the table on the right for
pin defi nitions.
Reset Button
Pin Defi nitions (JF1)
Pin# Defi nition
3 Reset
4 Ground
X7DWT-INF
Produktspecifikationer
| Varumärke: | Supermicro |
| Kategori: | moderkort |
| Modell: | X7DWT-INF |
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