Supero P8SGA User Manual
®
SUPER
P8SGA
USER’S MANUAL
Revision 1.1a
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 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 SUPER MICRO COMPUTER 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, SUPER MICRO COMPUTER 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 B
digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. 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 interference with radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, you are encouraged to try to correct the interference by one or more of
the following measures:
*Reorient or relocate the receiving antenna.
*Increase the separation between the equipment and the receiver.
*Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
*Consult the dealer or an experienced radio/television technician for help.
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 1.1a
Release Date: June 6, 2007
Unless you request and receive written permission from SUPER MICRO COMPUTER, 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
Preface
Preface
About This Manual
This manual is written for system integrators, PC technicians and
knowledgeable PC users. It provides information for the installation and use of
the
Processor (the Prescott Processor) in the 775-Land Grid Array Package at a sys-
tem bus speed of 800/533 MHz. The Pentium 4 Processor in the 775-Land Grid
Array Package is housed in a Flip-Chip Land Grid Array (FC-LGA4) package that
interfaces with the motherboard via an LGA775 socket. The package consists of a
processor core mounted on a substrate land-carrier. An integrated heat spreader
(IHS) is attached to the package substrate and core and serves as the contacting
surface for processor component thermal solutions, such as a heatsink. Please refer
to the motherboard specifi cations pages on our web site (http://www.supermicro.
com/products/motherboard/) for updates on this motherboard. This product is in-
tended to be professionally installed.
P8SGA motherboard. The P8SGA supports single Intel Pentium® 4
Manual Organization
Chapter 1 includes a checklist of what should be included in your mainboard box,
describes the features, specifi cations and performance of the P8SGA mainboard
and provides detailed information about the chipset.
Chapter 2 begins with instructions on handling static-sensitive devices. Read
this chapter when installing the processor and DDR memory modules and when
mounting the mainboard in the chassis. Also refer to this chapter to connect the
fl oppy and hard disk drives, the IDE interfaces, the parallel and serial ports, the
mouse and keyboard and the twisted wires for the power supply, the reset button,
the keylock/power LED and the speaker.
If you encounter any problems, see Chapter 3, which describes troubleshoot-
ing procedures for the video, the memory and the setup confi guration stored in
CMOS. For quick reference, a general FAQ (Frequently Asked Questions) section
is provided. Instructions are also included for contacting technical support. In ad-
dition, you can visit our web site at www.supermicro.com/techsupport.htm for more
detailed information.
Chapter 4 includes an introduction to BIOS and provides detailed information on
running the CMOS Setup utility.
Appendix A provides BIOS POST Messages.
Appendix B lists BIOS POST Codes.
iii
P8SGAUser’s Manual
Table of Contents
Preface
About This Manual ...................................................................................................... iii
Manual Organization ................................................................................................... iii
Chapter 1: Introduction
1-1 Overview ......................................................................................................... 1-1
Checklist ..................................................................................................... 1-1
Contacting Supermicro ............................................................................... 1-2
SUPER P8SGAImage ............................................................... 1-3
P8SGA Layout ............................................................................ 1-4
P8SGAQuick Reference .............................................................. 1-5
E7205 Chipset: System Block Diagram ..................................................... 1-6
Motherboard Features .............................................................................. 1-7
1-2 Chipset Overview ........................................................................................... 1-9
1-3 PC Health Monitoring ................................................................................... 1-10
1-4 Power Confi guration Settings ....................................................................... 1-10
1-5 Power Supply ............................................................................................... 1-11
1-6 Super I/O .........................................................................................................1-11
Chapter 2: Installation
2-1 Static-Sensitive Devices ................................................................................. 2-1
2-2 Processor and Heatsink Installation ............................................................... 2-2
2-3 Mounting the Motherboard in the Chassis ..................................................... 2-5
2-4 Installing DDR Memory .................................................................................. 2-6
2-5 I/O Port/Front Control Panel Connector Locations ........................................ 2-7
2-6 Connecting Cables ......................................................................................... 2-8
Power Supply Connectors ...................................................................... 2-8
IR Connector .............................................................................................. 2-8
PW_ON Connector .................................................................................. 2-9
Reset Connector ...................................................................................... 2-9
IDE LED ................................................................................................ 2-10
Power LED Connector ............................................................................ 2-10
Keylock Connector ................................................................................. 2-11
Speaker Connector ............................................................................... 2-11
iv
Table of Contents
Serial Ports ............................................................................................. 2-12
CD Header ............................................................................................. 2-12
Fan Headers .......................................................................................... 2-13
Chassis Intrusion .................................................................................... 2-13
ATX PS/2 Keyboard/Mouse Ports ......................................................... 2-14
Universal Serial Bus (USB) ..................................................................... 2-14
Wake-On-Ring .......................................................................................... 2-15
Wake-On-LAN .......................................................................................... 2-15
Ethernet Port ............................................................................................ 2-15
VGA Connector ........................................................................................ 2-16
SMB Header ............................................................................................. 2-16
Overheat LED ........................................................................................... 2-17
AC'97 Output ............................................................................................ 2-17
2-7 Jumper Settings ............................................................................................ 2-18
Explanation of Jumpers ......................................................................... 2-18
CMOS Clear ........................................................................................... 2-18
USB Wake-Up .......................................................................................... 2-19
Watch Dog Enable/Disable ...................................................................... 2-19
Keyboard Wake-Up .................................................................................. 2-20
Gigabit LAN Enable .................................................................................. 2-20
2-8 Parallel Port, Floppy/Hard Drive and Audio Connections ............................ 2-21
Parallel Port Connector ........................................................................... 2-21
Floppy Connector .................................................................................... 2-22
IDE Connectors ....................................................................................... 2-22
2-9 Installing Software ........................................................................................ 2-23
SuperO Doctor III ..................................................................................... 2-25
Chapter 3: Troubleshooting
3-1 Troubleshooting Procedures ........................................................................... 3-1
Before Power On ....................................................................................... 3-1
No Power ................................................................................................... 3-1
No Video .................................................................................................. 3-1
Memory Errors ........................................................................................... 3-2
Losing the System’s Setup Confi guration ................................................ 3-2
3-2 Technical Support Procedures ....................................................................... 3-2
3-3 Frequently Asked Questions .......................................................................... 3-3
3-4 Returning Merchandise for Service ................................................................. 3-5
v
P8SGA User’s Manual
Chapter 4: BIOS
4-1 Introduction ....................................................................................................... 4-1
4-2 Running Setup ................................................................................................. 4-2
4-3 Main BIOS Setup ............................................................................................. 4-2
Main BIOS Setup Menu ........................................................................... 4-3
4-4 Advanced BIOS Setup ...................................................................................... 4-5
4-4.1 Advanced BIOS Features ................................................................ 4-5
4-4.2 Advanced Chipset Control ............................................................... 4-7
4-4.3 I/O Device Confi guration .................................................................. 4-9
4-4.4 PnP Confi guration .......................................................................... 4-11
4-4.5 Hardware Monitors ......................................................................... 4-13
4-4.6 Processor & Clock Options ............................................................ 4-14
4-5 Security ........................................................................................................... 4-15
4-6 Boot ............................................................................................................... 4-16
4-7 Exit ................................................................................................................. 4-17
Appendices:
Appendix A: BIOS POST Messages ......................................................................... A-1
Appendix B: BIOS POST Codes ................................................................................B-1
vi
Chapter 1: Introduction
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.
Please check that the following items have all been included with your motherboard.
If anything listed here is damaged or missing, contact your retailer.
All Included in the Retail Box Only
One (1) Supermicro Mainboard
Two (2) SATA cables
One (1) COM port cable with bracket
One (1) IDE cable
One (1) fl oppy drive ribbon cable
One (1) I/O shield
One (1) Supermicro CD containing drivers and utilities
One (1) User's/BIOS Manual
1-1
P8SGA User’s Manual
Contacting Super Micro
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
1-2
Figure 1-1. P8SGA Image
Chapter 1: Introduction
An Important Note to the User
• All images, layouts and contents included in this manual were based upon the
latest PCB revision available at the time of publishing of this manual. The moth-
erboard you've received may or may not look exactly the same as the graphics
shown in this manual.
1-3
P8SGA User’s Manual
Figure 1-3. Motherboard Layout
(not drawn to scale)
KB/MS
J31
COM1 Port
Video Port
JG1
USB
3/4/5/6
USB1/2
& LAN
Audio
JPWAKE
J28
J41
4-Pin 12V PWR
Parallel Port
J30
J44
JPUSB
JPUSB
J11
J45
LAN CTRL
KB/MS Wake-Up
2
Clock
Fan3
PCI-E x16
PCI-3
P4 CPU
LGA 775
915G
Glantsdale
(North Bridge)
Fan1
DIMM#1A (Blue)
DIMM#2A (Black)
DIMM#1B (Blue)
DIMM#2B (Black)
WD Reset
rIO
upe
S
JP5
R
XPW
T
24-PinA
J40
Floppy
J27
PCI-2
JPL
GLAN Enable
AC97
®
UPER P8SGA
S
CDin
Aux.
PCI-E
PCI-E
PCI-E#1
ICH6
PCI-1
#
3
x
1
#
2
x
1
COM2
J13
x
1
JPUSB3
FWH
Front USB7/8
J43
WOL
(South Bridge)
Battery
Clear CMOS
Chs Intru.
JBT1
J34
JL1
SMB
SATA0
SATA1
WOR
Buzzer
SATA2
SATA3
E
D
I
J3
OH
JOH1
FP CTRL
F1
J
Fan2
Important Notes to the User
• All images, layouts and contents included in this manual were based upon the
latest PCB revision available at the time of publishing. The motherboard you've
received may or may not look exactly the same as the ones shown in this
manual.
• See Chapter 2 for detailed information on jumpers, I/O ports and JF1 front panel
connections.
• " " indicates Pin 1.
1-4
Chapter 1: Introduction
P8SGA Quick Reference
Jumpers Description Default Setting
JBT1 CMOS Clear See Section 2-7
JP5 Watch Dog Pins 1-2 (Enabled)
JPL Giga-bit LAN Enable Pins 1-2 (Enabled)
JPUSB USB 1/2 Wake Up Pins 2-3 (Disabled)
JPUSB2 USB 3/4/5/6 Wake Up Pins 2-3 (Disabled)
JPUSB3 USB 7/8 Wake Up Pins 2-3 (Disabled)
JPWAKE KB/Mouse Wake-Up Pins 1-2 (Enabled)
Connectors Description
ATX PWR (J40) ATX 24-Pin Power Connector
CPU PWR (J41) 12V 4-pin Power Connector(*required)
Audio Audio Port
AUX Auxiliary (Audio) Input Header
CD In Audio CD Input Header
Chassis Intrusion (JL1) Chassis Intrusion Header
COM1, COM2 COM Port/Serial Port 1 & Port 2 Connectors
DIMM#1A,#2A,#1B,#2B Memory (DIMM) slots (1 through 4)
Fans 1-3 Fan1: CPU Fan, Fan2/3: Chassis Fan Headers
Floppy Connector Floppy Disk Connector
FR Control Panel (JF1) Front Control Panel Header
(G-) LAN Port Ethernet RJ45 (Gigabit LAN) Connector
IDE (J27) IDE Connector
OH LED (JOH1) Overheat LED Header
Printer (J30) Parallel Printer Port
KB/Mouse (J28) PS/2 Keyboard/Mouse
SATA #0-3 4 SATA Headers
SMB (J34) System Management Bus Header
USB 1/2 (J11) (Back Panel) Universal Serial Ports 1-2
USB 3/4/5/6 (J44) (Back Panel) Universal Serial Ports 3-6
USB7/8 (J43) (Front Panel) USB ports 7/8
VGA (JG1) Video/Graphic Connector
WOR (JWOR1) Wake-On-Ring Header
1-5
P8SGA User’s Manual
VRM 10.1
INTEGRATED
GRAPHIC
1 PCIE_x16
GRAPHIC
PRI_IDE
4 x SATA
PORTS
VRM V10.1
FSB: 800/533MHz
PCIE_x16
UDMA/100
S-ATA/150
LGA775_PROCESSOR
ADDR
CTRL CTRL
ADDR
GRANTSDALE
MCH
DMI
ICH-6
LPC
AC97
DATADATA
DDR_SDRAM
PCIE_x1
PCI_32_BUS
CK410 CLK
DIMM_CHA
DIMM_CHB
3_PCIE_x1
SLOTS
3_PCI_x32
SLOTS
Gb_LAN
USB
PORT_0~7
W83627HF 5.1-CH
LPC I/O
KB. FDD. SER.1
MS.
SER.2
AUDIO
LPCUSB 2.0/1.1
PRN.
FWH
Figure 1-3. 915G Grantsdale Chipset:
System Block Diagram
Note: This is a general block diagram and may not exactly represent
the features on your motherboard. See the following pages for the
actual specifi cations of each motherboard.
1-6
Chapter 1: Introduction
Motherboard Features
CPU Latest CPU technology!
• Single Intel Pentium
w/FSB 533 MHz in the 775-Land Grid Array Package.
• Supports Intel Hyper-Threading Technology.
Memory Latest memory technology!
• Dual/Single Channel DDR up to 4 GB of non-ECC unbuffered, two-way inter-
leaved or non-interleaved DDR-400/333 SDRAM in 4 DIMMS
2-4 for details.
Chipset Latest Intel chipset technology!
• Intel Glantsdale 915G
®
4 Processor w/FSB 800 MHz or Celeron Processor
Note: See Section
Expansion Slots
• One (1) PCI-Express x16 (intended for graphics)
• Three (3) PCI-Express x1
• Three (3) 32-bit PCI 33MHz (5V)
BIOS
• 4 Mb Firmware Hub AwardBIOS
®
Flash BIOS
• APM 1.2, DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP)
PC Health Monitoring
• Eight onboard voltage monitors for CPU core, +3.3V, +3.3V standby, +5V,
+1.5V, Vbat (battery voltage) and ±12V
• Fan status monitor with fi rmware/software 4 pin fan speed control
• SuperDoctor III, Watch Dog, NMI
• Environmental temperature monitoring via BIOS
• Power-up mode control for recovery from AC power loss
• System overheat LED and control
• System resource alert via Supero Doctor III
• Auto-switching voltage regulator for the CPU core
1-7
P8SGA User’s Manual
ACPI Features
• Microsoft OnNow
• Slow blinking LED for suspend state indicator
• BIOS support for USB keyboard
• Main switch override mechanism
• Internal/external modem ring-on
Onboard I/O
• 1 ATA/100 EIDE Channel s for a total of two IDE devices backward compatible
• Built in ICH6 SATA Controller, 4 connectors for 4 devices
• 1 fl oppy port interface (up to 2.88 MB)
• 2 Fast UART 16550 compatible serial ports
• Intel 82541 Gigabit Ethernet Controller
• 1 EPP (Enhanced Parallel Port) and ECP (Extended Capabilities Port) sup-
ported parallel port
• PS/2 mouse and PS/2 keyboard ports
• Up to 8 USB (Universal Serial Bus) 2.0 ports for a speed of up to 480Mbps
Latest USB 2.0 technology!
• AC'97 audio high quality 6-channel sound
• Integrated (3rd generation) gfx core graphics on board
Other
• Wake-on-LAN
• Wake-on-Ring (WOR)
• Multiple CPU clock frequency ratio selections (set in BIOS)
• Suspend-to-RAM
• Onboard +5vsb warning LED ("LE1")
CD Utilities
• BIOS fl ash upgrade utility
• Drivers and software for Intel 915G chipset utilities
Dimensions
• ATX form factor, 12" x 9.5" (305 x 240 mm)
1-8
Chapter 1: Introduction
1-2 Chipset Overview
The Intel Grantsdale (915G) chipset contains two primary components: the Graphics
Memory Controller Hub (GMCH) and the I/O Controller Hub (ICH6). The Grantsdale
(915G) provides the performance and feature-set required for high-end single-pro-
cessor desktop solutions.
Graphics Memory Controller Hub (GMCH)
The function of the GMCH is to manage the data fl ow between fi ve interfaces: the
CPU interface Front Side Bus (FSB), System Memory Interface (DRAM controller),
PCI Express Graphic Interface, I/O Controller and the Direct Media Interface (DMI).
The GMCH is optimized for the Prescott Processors in an LGA775 Package. It
supports one or two channels of unbuffered, non-ECC DDR 400/333 SDRAM. It
also supports the PCI-Express-based external graphics solutions.
The ACPI component provides the data buffering and interface arbitration required
for the system to interface effi ciently. The Direct Media Interface (DMI) is a point-
to-point interconnection between the Grantsdale GMCH and the ICH6. Virtually
all communication between the GMCH and the ICH occurs over the Direct Media
Interface. DMI supports 2GB/s (IGB/s each direction) of bandwidth, using a 100
MHz differential clock.
Intel ICH6 System Features
The I/O Controller Hub provides the I/O subsystem with access to the rest of the
system. Functions and capabilities include:
*PCI Express Base Specifi cation, Rev. 1.0a-compliant
*PCI 2.3
*ACPI Power Management Logic Support
*USB host interface
*Enhanced DMA Controller
*System Management Bus
*Low Pin Count (LPC) Interface
*Firmware Hub (FWH) Interface
Graphics Features/Display
The Grantsdale GMCH provides an integrated graphics accelerator, delivering 3D,
2D and video capabilities. It also provides interfaces to a progressive scan analog
monitor and two DVO devices. It is compliant with DVI specifi cation and has a
high-speed interface to a digital display.
1-9
P8SGA User’s Manual
1-3 PC Health Monitoring
This section describes the PC health monitoring features of the P8SGA. The moth-
erboard has an onboard System Hardware Monitor chip that supports PC health
monitoring.
Eight Onboard Voltage Monitors for the CPU Core, Chipset
Voltage, +3.3V, +3.3V standby, +5V, 1.5V, Vbat and ±12V
The onboard voltage monitor will scan these voltages continuously. Once a voltage
becomes unstable, it will give a warning or send an error message to the screen.
Users can adjust the voltage thresholds to defi ne the sensitivity of the voltage
monitor.
Fan Status Monitor with Firmware/Software
The PC health monitor can check the RPM status of the cooling fans via Supero
Doctor.
CPU Overheat LED and Control
This feature is available when the user enables the CPU overheat monitoring in the
BIOS. This allows the user to defi ne an overheat temperature threshold. When this
temperature reaches the threshold, the CPU thermal trip feature will be activated,
and it will send a signal to the Speaker LED and, at the same time, the CPU speed
will be decreased to reduce heat dissipation.
1-4 Power Confi guration Settings
This section describes features of your motherboard that deal with power and
power settings.
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.
BIOS Support for USB Keyboard
If the USB keyboard is the only keyboard in the system, the keyboard will function
like a normal keyboard during system boot-up.
Main Switch Override Mechanism
When an ATX power supply is used, the power button can function as a system
suspend button. When the user presses the power button, the system will enter
1-10
Chapter 1: Introduction
a SoftOff state. The monitor will be suspended and the hard drive will spin down.
Pressing the power button again will cause the whole system to wake-up. During
the SoftOff state, the ATX 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. The power will turn off
and no power will be provided to the motherboard.
Wake-On-Ring (WOR) Header
Wake-up events can be triggered by a device such as the external modem ringing
when the system is in the SoftOff state. Note that external modem ring-on can only
be used with an ATX 2.01 (or above) compliant power supply.
1-5 Power Supply
As with all computer products, a stable power source is necessary for proper and
reliable operation. It is even more important for processors that have high CPU
clock rates of 1 GHz and faster.
The
power supplies generally meet the specifi cations required by the CPU, some are
inadequate. A 2 amps of current supply on a 5V Standby rail is strongly recom-
mended.
It is strongly recommended that you use a high quality power supply that meets
12V ATX power supply Specifi cation 1.1 or above. It is also required that the 12V
4-pin power connection (J41) be used for high-load confi gurations. In areas where
noisy power transmission is present, you may choose to install a line fi lter to shield
the computer from noise. It is recommended that you also install a power surge
protector to help avoid problems caused by power surges.
P8SGA accommodates 12V ATX power supplies. Although most
1-6 Super I/O
The disk drive adapter functions of the Super I/O chip include a fl oppy disk drive
controller that is compatible with industry standard 82077/765, a data separator,
write pre-compensation circuitry, decode logic, data rate selection, a clock genera-
tor, drive interface control logic and interrupt and DMA logic. The wide range of
functions integrated onto the Super I/O greatly reduces the number of components
required for interfacing with fl oppy disk drives. The Super I/O supports two 360
K, 720 K, 1.2 M, 1.44 M or 2.88 M disk drives and data transfer rates of 250 Kb/s,
500 Kb/s or 1 Mb/s.
1-11
P8SGA User’s Manual
It also provides two high-speed, 16550 compatible serial communication ports
(UARTs). Each UART includes a 16-byte send/receive FIFO, a programmable baud
rate generator, complete modem control capability and a processor interrupt sys-
tem. Both UARTs provide legacy speed with baud rate of up to 115.2 Kbps as well
as an advanced speed with baud rates of 250 K, 500 K, or 1 Mb/s, which support
higher speed modems.
The Super I/O provides functions that comply with ACPI (Advanced Confi guration
and Power Interface), which includes support of legacy and ACPI power manage-
ment through a SMI or SCI function pin. It also features auto power management
to reduce power consumption.
1-12
Chapter 2: Installation
Chapter 2
Installation
2-1 Static-Sensitive Devices
Electric Static 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 CMOS onboard battery as specifi ed by the Manufac-
turer. Do not install the CMOS onboard battery upside down to avoid a 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.
Installation Procedures
Follow the procedures as listed below to install the motherboard into a chassis:
1. Install the processor and the heatsink to the motherboard.
2. Install the motherboard in the chassis.
3. Install the memory modules and add-on cards.
4. Connect cables and install controllers/drivers.
2-1
P8SGA User's Manual
2-2 Processor and Heatsink Fan Installation
When handling the processor package, avoid placing direct pres-
!
IMPORTANT: Always connect the power cord last and always remove it before add-
ing, removing or changing any hardware components. Make sure that you install
the processor into the CPU socket before you install the CPU heatsink.
(*Note: The CPU heatsink fan is included only with the retail versions of the P8SGA.
If you buy a processor separately, use only a Supermicro or Intel certifi ed heatsink
and fan.)
Installation of the LGA775 Processor
sure on the label area of the fan.
1. Press the socket lever to release
the load plate, which covers the CPU
socket, from its locking position.
2. Gently lift the socket lever to open
the load plate.
Socket Lever
Load Plate
Load Plate
2-2
Chapter 2: Installation
3. Locate Pin 1 on the CPU socket. (*Note:
Pin 1 is the corner marked with a triangle).
Please note that the North Key and the
South Key are located vertically in the
CPU housing.
4. Position the motherboard in such a way
that Pin 1 of the CPU socket is located at
the left bottom of the CPU housing.
5. 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.
6. Align Pin 1 of the CPU with Pin 1 of the
socket. 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 against
any pins of the socket to avoid damage to
the CPU or the socket.)
North Key
Pin 1
South Key
North Center Edge
South Center Edge
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 lever
down and lock it in the hook.
9. If the CPU is properly installed into the
socket, the plastic cap will be automatically
released from the load plate when the lever
is pushed into the hook. 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 socket pins. Shipment without
the plastic cap properly installed will cause
damage to the socket pins.)
Plastic cap is
released if the
CPU properly
installed.
Socket
Lever
CPU in the CPU socket
2-3
P8SGA User's Manual
Installation of the Heatsink
1. Locate the CPU Fan on the mother-
board. (Refer to the layout on Page 1-4
for the CPU Fan location.)
2. Position the heatsink in such a way
that the heatsink fan wires are closest to
the CPU fan and are not interfered with
other components.
3. Inspect the CPU Fan wires to make
sure that the wires are routed through
the bottom of the heatsink.
4. Remove the thin layer of the protec-
tive fi lm from the copper core of the
heatsink.
(*Warning: CPU overheat may occur if
the protective fi lm is not removed from
the heatsink.)
5. Apply the proper amount of thermal
grease on the CPU. (*Note: if your
heatsink came with a thermal pad,
please ignore this step.)
6. If necessary, re-arrange the wires
to make sure that the wires are not
pinched between the heatsink and the
CPU. Also make sure to keep clearance
between the fan wires and the fi ns of
the heatsink.
7. Align the four heatsink fasteners with
the mounting holes on the motherboard.
Gently push the fasteners into the mount-
ing holes until you hear a click.
8. Repeat Step 6 to insert all four heatsink
fasteners into the mounting holes.
Thermal Grease
CPU
Fan Wires
Heatsink Fins
Heatsink Fas-
tener
9. Once all four fasteners are securely
inserted into the mounting holes and
the heatsink is properly installed on the
motherboard, connect the heatsink fan
wires to the CPU Fan connector.
2-4
Heatsink Removal
1. Unplug the power cord from the power
supply.
2. Disconnect the heatsink fan wires from the
CPU fan header.
3. Use your fi nger tips to gently press on the
fastener cap and rotate counterclockwise to
make a 1/4 (90
4. Repeat Step 3 to loosen all fasteners from
the mounting holes.
5. With all fasteners loosened, remove the
heatsink from the CPU.
0
) turn.
Chapter 2: Installation
2-3 Mounting the Motherboard in the Chassis
All motherboards have standard mounting holes to fi t different types of chassis.
Make sure the locations of all the mounting holes for both the motherboard and the
chassis match. Although a chassis may have both plastic and metal mounting fas-
teners, metal ones are highly recommended because they ground the motherboard
to the chassis. 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.
2-5
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