Supermicro AS-1020A-8, 1020A-8 User Manual
A+ Server 1020A-8
USER’S MANUAL
1.0
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.
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Copyright © 2005.
All rights reserved.
Printed in the United States of America
Preface
About This Manual
This manual is written for professional system integrators and PC technicians. It
provides information for the installation and use of the A+ Server 1020A-8. Instal-
lation and maintainance should be performed by experienced technicians only.
The 1020A-8 is a high-end 1U rackmount server based on the SC812S-420C
server chassis and the H8DAR-8 serverboard, which supports single or dual AMD
Opteron™ 200 series processors and up to 32 GB of ECC registered DDR266 or
16 GB of ECC registered DDR400/333 SDRAM memory.
Preface
Manual Organization
Chapter 1: Introduction
The fi rst chapter provides a checklist of the main components included with the
server system and describes the main features of the H8DAR-8 serverboard and
the SC812S-420C chassis, which make up the 1020A-8.
Chapter 2: Server Installation
This chapter describes the steps necessary to install the 1020A-8 into a rack and
check out the server confi guration prior to powering up the system. If your server
was ordered without processor and memory components, this chapter will refer you
to the appropriate sections of the manual for their installation.
Chapter 3: System Interface
Refer here for details on the system interface, which includes the functions and
information provided by the control panel on the chassis as well as other LEDs
located throughout the system.
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A+ Server 1020A-8 User's Manual
Chapter 4: System Safety
You should thoroughly familiarize yourself with this chapter for a general overview
of safety precautions that should be followed when installing and servicing the
1020A-8.
Chapter 5: Advanced Serverboard Setup
Chapter 5 provides detailed information on the H8DAR-8 serverboard, including the
locations and functions of connectors, headers and jumpers. Refer to this chapter
when adding or removing processors or main memory and when reconfi guring the
serverboard.
Chapter 6: Advanced Chassis Setup
Refer to Chapter 6 for detailed information on the SC812S-420C 1U rackmount
server chassis. You should follow the procedures given in this chapter when install-
ing, removing or reconfi guring SCSI or peripheral drives and when replacing the
system power supply unit and cooling fans.
Chapter 7: BIOS
The BIOS chapter includes an introduction to BIOS and provides detailed informa-
tion on running the CMOS Setup Utility.
Appendix A: BIOS Error Beep Codes
Appendix B: BIOS POST Codes
Appendix C: System Specifi cations
iv
Notes
Preface
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A+ Server 1020A-8 User's Manual
Table of Contents
Preface
About This Manual ...................................................................................................... iii
Manual Organization ................................................................................................... iii
Chapter 1: Introduction
1-1 Overview ......................................................................................................... 1-1
1-2 Serverboard Features ..................................................................................... 1-2
1-3 Server Chassis Features ................................................................................ 1-4
Chapter 2: Server Installation
2-1 Overview ......................................................................................................... 2-1
2-2 Unpacking the System ................................................................................... 2-1
2-3 Preparing for Setup ........................................................................................ 2-1
Choosing a Setup Location .................................................................... 2-2
Rack Precautions .................................................................................... 2-2
Server Precautions ................................................................................. 2-2
Rack Mounting Considerations ............................................................... 2-3
2-4 Installing the System into a Rack ................................................................... 2-4
Identifying the Sections of the Rails ....................................................... 2-4
Installing the Chassis Rails ....................................................................... 2-5
Installing the Rack Rails ............................................................................ 2-5
Installing the Server into the Rack ............................................................ 2-6
Installing the Server into a Telco Rack ..................................................... 2-7
2-5 Checking the Serverboard Setup ................................................................... 2-8
2-6 Checking the Drive Bay Setup ....................................................................... 2-8
Chapter 3: System Interface
3-1 Overview ......................................................................................................... 3-1
3-2 Control Panel Buttons .................................................................................... 3-1
Reset ....................................................................................................... 3-1
NMI .......................................................................................................... 3-1
Power ...................................................................................................... 3-2
3-3 Control Panel LEDs ........................................................................................ 3-2
Overheat/Fan Fail .................................................................................. 3-2
NIC2 .......................................................................................................... 3-2
NIC1 .......................................................................................................... 3-3
HDD ........................................................................................................ 3-3
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Table of Contents
Power ...................................................................................................... 3-3
3-4 SCSI Drive Carrier LEDs ................................................................................. 3-3
3-5 Serverboard LED ............................................................................................. 3-4
Chapter 4: System Safety
4-1 Electrical Safety Precautions ........................................................................... 4-1
4-2 General Safety Precautions ............................................................................. 4-2
4-3 ESD Precautions ............................................................................................ 4-3
4-4 Operating Precautions ..................................................................................... 4-4
Chapter 5: Advanced Serverboard Setup
5-1 Handling the Serverboard ................................................................................ 5-1
5-2 Mounting the Serverboard into a Chassis ....................................................... 5-2
5-3 Processor and Heatsink Installation ................................................................ 5-2
5-4 Connecting Cables .......................................................................................... 5-5
Connecting Data Cables ........................................................................... 5-5
Connecting Power Cables ......................................................................... 5-5
Connecting the Control Panel ................................................................... 5-6
5-5 I/O Ports ........................................................................................................... 5-7
5-6 Installing Memory ............................................................................................. 5-7
5-7 Adding PCI Cards ............................................................................................ 5-9
5-8 Serverboard Details ....................................................................................... 5-10
H8DAR-8 Layout ................................................................................... 5-10
H8DAR-8 Quick Reference ................................................................... 5-11
5-9 Connector Defi nitions .................................................................................... 5-12
Main ATX Power Connector .................................................................. 5-12
Secondary Power Connector ................................................................ 5-12
NMI Button ............................................................................................ 5-12
Power LED ............................................................................................ 5-12
HDD LED ................................................................................................. 5-13
NIC1 LED .............................................................................................. 5-13
NIC2 LED .............................................................................................. 5-13
Overheat/Fan Fail LED ........................................................................... 5-13
Power Fail LED ....................................................................................... 5-13
Reset Button .......................................................................................... 5-14
Power Button ........................................................................................... 5-14
Universal Serial Bus Ports ...................................................................... 5-14
Chassis Intrusion ..................................................................................... 5-14
Serial Ports .............................................................................................. 5-15
Power Fail and Alarm Reset Header ...................................................... 5-15
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A+ Server 1020A-8 User's Manual
Fan Headers ............................................................................................ 5-15
JLAN 1/2 (Ethernet Ports) ........................................................................ 5-15
Extra USB Headers ................................................................................. 5-16
Power LED/Speaker ................................................................................ 5-16
ATX PS/2 Keyboard & Mouse Ports ....................................................... 5-16
Wake-On-LAN ......................................................................................... 5-17
Wake-On-Ring ......................................................................................... 5-17
SMB Power Header ................................................................................ 5-17
SMB Header ............................................................................................ 5-17
5-10 Jumper Settings ............................................................................................. 5-18
Explanation of Jumpers ........................................................................... 5-18
CMOS Clear ............................................................................................ 5-18
JLAN1/2 Enable/Disable ......................................................................... 5-19
VGA Enable/Disable ................................................................................ 5-19
2
I
C to PCI Enable/Disable ...................................................................... 5-19
SCSI Controller Enable/Disable ............................................................. 5-19
SCSI Termination Enable/Disable .......................................................... 5-20
3rd Power Supply Fail Signal Enable/Disable ........................................ 5-20
Watch Dog Enable/Disable ..................................................................... 5-20
Onboard Speaker Enable/Disable ......................................................... 5-21
5-11 Onboard Indicators ........................................................................................ 5-21
JLAN1/JLAN2 LEDs ................................................................................ 5-21
+3.3V Power LED .................................................................................. 5-21
5-12 Floppy, IDE and SCSI Drive Connections ..................................................... 5-22
Floppy Connector .................................................................................... 5-22
IDE Connectors ....................................................................................... 5-23
SCSI Connectors ................................................................................... 5-24
Chapter 6: Advanced Chassis Setup
6-1 Static-Sensitive Devices .................................................................................. 6-1
6-2 Control Panel ................................................................................................... 6-2
6-3 System Fans .................................................................................................... 6-3
System Fan Failure ................................................................................... 6-3
Replacing System Fans ............................................................................ 6-3
6-4 Drive Bay Installation/Removal ........................................................................ 6-4
Accessing the Drive Bays ......................................................................... 6-4
SCSI Drive Installation .............................................................................. 6-5
CD-ROM and Floppy Drive Installation ..................................................... 6-7
6-5 Power Supply ................................................................................................... 6-8
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Table of Contents
Power Supply Failure ................................................................................ 6-8
Removing/Replacing the Power Supply .................................................... 6-8
Chapter 7: BIOS
7-1 Introduction ....................................................................................................... 7-1
7-2 Main Setup ........................................................................................................ 7-2
7-3 Advanced Settings Menu ................................................................................ 7-2
7-4 PCI/PnP Menu ............................................................................................... 7-10
7-5 Boot Menu ......................................................................................................7-11
7-6 Security Menu ................................................................................................ 7-13
7-7 Chipset Menu ............................................................................................... 7-14
7-8 Power Menu ................................................................................................. 7-18
7-9 Exit Menu ....................................................................................................... 7-19
Appendices:
Appendix A: BIOS Error Beep Codes ....................................................................... A-1
Appendix B: BIOS POST Codes ............................................................................... B-1
Appendix C: System Specifi cations ......................................................................... C-1
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A+ Server 1020A-8 User's Manual
Notes
x
Chapter 1: Introduction
Chapter 1
Introduction
1-1 Overview
The A+ Server 1020A-8 is a high-end dual processor, 1U rackmount server featuring
some of the most advanced technology currently available. The 1020A-8 is com-
prised of two main subsystems: the SC812S-420C 1U rackmount chassis and the
H8DAR-8 dual processor serverboard. Please refer to our web site for information
on operating systems that have been certifi ed for use with the 1020A-8.
In addition to the mainboard and chassis, various hardware components may have
been included with your 1020A-8, as listed below:
One (1) slim fl oppy drive [FPD-TEAC-S(B)]
One (1) slim CD-ROM drive [CDM-TEAC-24(B)]
One (1) riser card (CSE-RR1U-X)
Two (2) 10-cm blower fans (FAN-0059)
One (1) air shroud for 1U chassis (CSE-PT82)
Two (2) CPU backplates (BKT-0004)
Two (2) heatsink retention modules with four (4) screws (BKT-0005)
SCSI Accessories:
One (1) SCA SAF-TE compliant SCSI backplane (CSE-SCA-008)
One (1) internal 68-pin Ultra320 SCSI cable (CBL-037-U320)
Three (3) SCA 1-inch high SCSI drive carriers [CSE-PT17(B)]
Rackmount hardware with screws (CSE-PT34):
Two (2) rack rail assemblies
Six (6) brackets for mounting the rack rails to a rack/telco rack
One (1) CD containing drivers and utilities
Optional: Two (2) passive 1U CPU heatsinks (SNK-P0012)
Note: a "B" at the end of a part number indicates the item is available in black.
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A+ Server 1020A-8 User's Manual
1-2 Serverboard Features
At the heart of the 1020A-8 lies the H8DAR-8 a dual processor serverboard based
on the AMD 8131/8111 chipset and designed to provide maximum performance.
Below are the main features of the H8DAR-8. See Figure 1-1 for a system block
diagram of the chipset.
Processors
The H8DAR-8 supports single or dual 940-pin AMD OpteronTM processors. Please
refer to our web site for a complete listing of supported processors.
Memory
The H8DAR-8 has eight 184-pin DIMM slots that can support up to 32 GB of
registered ECC DDR266 or up to 16 GB of registered ECC DDR400/333 SDRAM.
(The maximum memory supported is halved if only one processor is installed.)
Memory in supported in both interleaved and non-interleaved confi gurations. See
Section 5-6 for details.
Onboard SCSI
Onboard SCSI is provided with Adaptec's AIC-7902 SCSI controller chip, which
supports dual-channel, Ultra320 SCSI at at maximum throughput of 320 MB/sec
for each channel. The H8DAR-8 provides two LVD Ultra320 SCSI ports. The
SCSI drives are hot-swappable units.
Note: The operating system you use must have RAID support to enable the hot-
swap capability and RAID function of the SCSI drives.
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Chapter 1: Introduction
PCI Expansion Slots
One riser card has been included with the server to support server PCI expansion.
The CSE-RR1U-X riser fi ts into the 100 MHz PCI-X slot to support a standard size
(full-height, full-length) 100/66 MHz PCI-X add-on card.
ATI Graphic s Co nt roll er
An ATI video controller based on the Rage XL 8 MB graphics chip is integrated
onboard the H8DAR-8. Rage XL fully supports sideband addressing and AGP
texturing. This onboard graphics package can provide a bandwidth of up to 512
MB/sec over a 32-bit graphics memory bus.
Onboard Controllers/Ports
The H8DAR-8 provides one fl oppy drive controller and two onboard IDE control-
lers, which support up to four hard drives or ATAPI devices. Backpanel I/O ports
include one COM port, two USB ports, PS/2 mouse and keyboard ports and a
video (monitor) port. A Broadcom BCM5704 Ethernet controller is also included
to support two Gb LAN ports.
Other Features
Other onboard features are included to promote system health. These include
various voltage monitors, CPU temperature sensors, fan speed sensors, a chas-
sis intrusion header, auto-switching voltage regulators, chassis and CPU overheat
sensors, virus protection and BIOS rescue.
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A+ Server 1020A-8 User's Manual
1-3 Server Chassis Features
The SC812S-420C is a 1U chassis that features three hot-swap SCSI drive bays,
a slim CD-ROM drive, a slim 3.5" fl oppy drive and a revolutionary cooling design
that can keep today's most powerful processors running well below their tem-
perature thresholds. The following is a general outline of the main features of the
SC812S-420C chassis.
System Power
The SC812S-420C chassis includes a single 420W power supply.
SCSI Subsystem
The SCSI subsystem supports four 80-pin SCA Ultra320 SCSI hard drives. (Any
standard 1" drives are supported. SCA = Single Connection Attachment.) The SCSI
drives are connected to an SCA backplane that provides power, bus termination and
confi guration settings. The SCSI drives are also hot-swap units
Note: The operating system you use must have RAID support to enable the hot-
swap capability of the SCSI drives.
Control Panel
The SC812S-420C control panel provides important system monitoring and control
information. LEDs indicate power on, network activity, hard disk drive activity and
system overheat conditions. Also present are a main power button and a system
reset button.
I/O Backplane
The SC812S-420C is a 1U rackmount chassis. Its I/O backplane provides one full-
height full-length slot for a PCI add-on card, one COM port (the other is internal),
one VGA port, two USB ports, PS/2 mouse and keyboard ports and two Ethernet
(LAN) ports. (See Figure 1-2.)
Cooling System
A revolutionary cooling design has been designed into the SC812S-420C to provide
suffi cient cooling for dual processor confi gurations. The SC812S-420C includes
two heavy duty 10-cm blower fans located in the middle of the chassis. In the
1-4
Chapter 1: Introduction
event of a fan failure, the ambient air temperature inside the chassis will rise and
activate an overheat LED (fan speed is controlled by the system temperature). A
specially designed air shroud is also included, which channels the air from these
fans to more effi ciently cool the system.
Figure 1-1. AMD 8131/8111TM Chipset:
System Block Diagram
Note: This is a general block diagram. Please see Chapter 5 for details.
Mouse Port Keyboard Port
USB Ports
Figure 1-2. I/O Backplane
Ethernet Ports
VGA Port
COM1 Port
1-5
Standard PCI Slot
A+ Server 1020A-8 User's Manual
Notes
1-6
Chapter 2: Server Installation
Chapter 2
Server Installation
2-1 Overview
This chapter provides a quick setup checklist to get your 1020A-8 up and running.
Following these steps in the order given should enable you to have the system
operational within a minimum amount of time. This quick setup assumes that your
1020A-8 system has come to you with the processors and memory preinstalled. If
your system is not already fully integrated with a serverboard, processors, system
memory etc., please turn to the chapter or section noted in each step for details
on installing specifi c components.
2-2 Unpacking the System
You should inspect the box the 1020A-8 was shipped in and note if it was damaged
in any way. If the server itself shows damage you should fi le a damage claim with
the carrier who delivered it.
Decide on a suitable location for the rack unit that will hold the 1020A-8. It should
be situated in a clean, dust-free area that is well ventilated. Avoid areas where
heat, electrical noise and electromagnetic fi elds are generated. You will also need
it placed near a grounded power outlet. Read the Rack and Server Precautions in
the next section.
2-3 Preparing for Setup
The box the 1020A-8 was shipped in should include two sets of rail assemblies, two
rail mounting brackets and the mounting screws you will need to install the system
into the rack. Follow the steps in the order given to complete the installation process
in a minimum amount of time. Please read this section in its entirety before you
begin the installation procedure outlined in the sections that follow.
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A+ Server 1020A-8 User's Manual
Choosing a Setup Location
- Leave enough clearance in front of the rack to enable you to open the front
door completely (~25 inches).
- Leave approximately 30 inches of clearance in the back of the rack to allow
for suffi cient airfl ow and ease in servicing.
- This product is for installation only in a Restricted Access Location (dedicated
equipment rooms, service closets and the like).
Warnings and Precautions!
Rack Precautions
• Ensure that the leveling jacks on the bottom of the rack are fully extended to the
fl oor with the full weight of the rack resting on them.
• In single rack installation, stabilizers should be attached to the rack.
• In multiple rack installations, the racks should be coupled together.
• Always make sure the rack is stable before extending a component from the
rack.
• You should extend only one component at a time - extending two or more simul-
taneously may cause the rack to become unstable.
Server Precautions
• Review the electrical and general safety precautions in Chapter 4.
• Determine the placement of each component in the rack before you install the
rails.
• Install the heaviest server components on the bottom of the rack fi rst, and
then work up.
• Use a regulating uninterruptible power supply (UPS) to protect the server from
power surges, voltage spikes and to keep your system operating in case of a
power failure.
• Allow the hot plug SCSI drives and power supply units to cool before touching
them.
• Always keep the rack's front door and all panels and components on the servers
closed when not servicing to maintain proper cooling.
2-2
Chapter 2: Server Installation
Rack Mounting Considerations
Ambient Operating Temperature
If installed in a closed or multi-unit rack assembly, the ambient operating tem-
perature of the rack environment may be greater than the ambient temperature
of the room. Therefore, consideration should be given to installing the equip-
ment in an environment compatible with the manufacturer’s maximum rated
ambient temperature (Tmra).
Reduced Airfl ow
Equipment should be mounted into a rack so that the amount of airfl ow required
for safe operation is not compromised.
Mechanical Loading
Equipment should be mounted into a rack so that a hazardous condition does
not arise due to uneven mechanical loading.
Circuit Overloading
Consideration should be given to the connection of the equipment to the power
supply circuitry and the effect that any possible overloading of circuits might
have on overcurrent protection and power supply wiring. Appropriate consid-
eration of equipment nameplate ratings should be used when addressing this
concern.
Reliable Ground
A reliable ground must be maintained at all times. To ensure this, the rack itself
should be grounded. Particular attention should be given to power supply con-
nections other than the direct connections to the branch circuit (i.e. the use of
power strips, etc.).
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A+ Server 1020A-8 User's Manual
2-4 Installing the System into a Rack
This section provides information on installing the 1020A-8 into a rack. If the
1020A-8 has already been mounted into a rack, you can skip ahead to Sections
2-5 and 2-6. There are a variety of rack units on the market, which may mean the
assembly procedure will differ slightly. The following is a guideline for installing
the 1020A-8 into a rack with the rack rails provided. You should also refer to the
installation instructions that came with the rack unit you are using.
Identifying the Sections of the Rack Rails
You should have received two rack rail assemblies with the 1020A-8. Each of
these assemblies consist of three sections: an inner fi xed chassis rail that secures
to the 1020A-8 (A) and an outer fi xed rack rail that secures directly to the rack
itself (B). A sliding rail guide sandwiched between the two should remain attached
to the fi xed rack rail. (See Figure 2-1.) The A and B rails must be detached from
each other to install.
To remove the fi xed chassis rail (A), pull it out as far as possible - you should hear
a "click" sound as a locking tab emerges from inside the rail assembly and locks
the inner rail. Then depress the locking tab to pull the inner rail completely out.
Do this for both the left and right side rack rail assemblies.
Figure 2-1. Identifying the Sections of the Rails
Mounting Holes
B
Locking Tab
A
2-4
Chapter 2: Server Installation
Installing the Chassis Rails
Position the fi xed chassis rail sections you just removed along the side of the
1020A-8 making sure the screw holes line up. Note that these two rails are left/right
specifi c. Screw the rail securely to the side of the chassis (see Figure 2-2). Repeat
this procedure for the other rail on the other side of the chassis. You will also need
to attach the rail brackets when installng into a telco rack.
Locking Tabs: As you have seen, both chassis rails have a locking tab, which
serves two functions. The fi rst is to lock the server into place when installed and
pushed fully into the rack, which is its normal position. Secondly, these tabs also
lock the server in place when fully extended from the rack. This prevents the server
from coming completely out of the rack when you pull it out for servicing.
Installing the Rack Rails
Determine where you want to place the 1020A-8 in the rack. (See Rack and Server
Precautions in Section 2-3.) Position the fi xed rack rail/sliding rail guide assemblies
at the desired location in the rack, keeping the sliding rail guide facing the inside
of the rack. Screw the assembly securely to the rack using the brackets provided.
Attach the other assembly to the other side of the rack, making sure both are at
the exact same height and with the rail guides facing inward.
Figure 2-2. Installing Chassis Rails
(with optional front bezel shown)
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A+ Server 1020A-8 User's Manual
Installing the Server into the Rack
You should now have rails attached to both the chassis and the rack unit. The next
step is to install the server into the rack. Do this by lining up the rear of the chas-
sis rails with the front of the rack rails. Slide the chassis rails into the rack rails,
keeping the pressure even on both sides (you may have to depress the locking
tabs when inserting). See Figure 2-3.
When the server has been pushed completely into the rack, you should hear the
locking tabs "click". Finish by inserting and tightening the thumbscrews that hold
the front of the server to the rack.
Figure 2-3. Installing the Server into a Rack
(with optional front bezel shown)
2-6
Chapter 2: Server Installation
Installing the Server into a Telco Rack
If you are installing the 1020A-8 into a Telco type rack, follow the directions given
on the previous pages for rack installation. The only difference in the installation
procedure will be the positioning of the rack brackets to the rack. They should be
spaced apart just enough to accommodate the width of the telco rack.
Figure 2-4. Installing the Server into a Telco Rack
(with optional front bezel shown)
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A+ Server 1020A-8 User's Manual
2-5 Checking the Serverboard Setup
After you install the 1020A-8 in the rack, you will need to open the unit to make sure
the serverboard is properly installed and all the connections have been made.
1. Accessing the inside of the 1020A-8 (see Figure 2-5)
First, release the retention screws that secure the unit to the rack. Grasp the two
handles on either side and pull the unit straight out until it locks (you will hear
a "click"). Next, depress the two buttons on the top of the chassis to release
the top cover. There is a large rectangular recess in the middle front of the top
cover to help you push the cover away from you until it stops. You can then lift
the top cover from the chassis to gain full access to the inside of the server.
2. Check the CPUs (processors)
You may have one or two processors already installed into the serverboard. Each
processor needs its own heatsink. See Chapter 5 for instructions on processor
and heatsink installation.
3. CPU Speed
The CPU speed should automatically be detected so you do not need to change
any jumpers or settings in BIOS.
4. Check the system memory
Your 1020A-8 server system may have come with system memory already
installed. Make sure all DIMMs are fully seated in their slots. For details on
adding system memory, refer to Chapter 5.
5. Installing add-on cards
If desired, you can install an add-on card to the system. See Chapter 5 for
details on installing PCI add-on cards.
6. Check all cable connections and airfl ow
Make sure all power and data cables are properly connected and not blocking
the chassis airfl ow. See Chapter 5 for details on cable connections.
2-6 Checking the Drive Bay Setup
Next, you should check to make sure the peripheral drives and the SCSI drives
have been properly installed and all connections have been made.
2-8
Chapter 2: Server Installation
Figure 2-5. Accessing the Inside of the 1020A-8 Server
1. Accessing the drive bays
All drives are accessable from the front of the server. For servicing the CD-ROM
and fl oppy drives, you will need to remove the top chassis cover. The SCSI
disk drives can be installed and removed from the front of the chassis without
removing the top chassis cover or powering down the system.
2. CD-ROM and fl oppy disk drives
A slim CD-ROM and a fl oppy drive should be preinstalled in your server. Refer
to Chapter 6 if you need to reinstall a CD-ROM and/or fl oppy disk drive to the
system.
3. Check the SCSI disk drives
Depending upon your system's confi guration, your system may have one or
more drives already installed. If you need to install SCSI drives, please refer
to Chapter 6.
4. Check the airfl ow
Airfl ow is provided by two heavy duty 10-cm blower fans. The system compo-
nent layout was carefully designed to direct the airfl ow to the components that
generate the most heat. Note that all power and data cables have been routed
in such a way that they do not block the airfl ow generated by the fans. Take
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A+ Server 1020A-8 User's Manual
care to reroute them in the same way when working on the system.
5. Supplying power to the system
The last thing you must do is to provide power to the system. Plug the power
cord from the power supply module into a high-quality power strip that offers
protection from electrical noise and power surges. It is recommended that you
use an uninterruptible power supply (UPS). Finish by depressing the power
button on the front of the chassis to start the system.
2-10
Chapter 3: System Interface
Chapter 3
System Interface
3-1 Overview
There are several LEDs on the control panel as well as others on the SCSI drive
carriers to keep you constantly informed of the overall status of the system as well
as the activity and health of specifi c components. There are also two buttons on
the chassis control panel and an on/off switch on the power supply.
3-2 Control Panel Buttons
There are three push-button buttons located on the front of the chassis. These are
(in order from left to right) a reset button, an MNI (non-maskable interface) button
and a power on/off button.
RESET:
NMI:
a non-maskable interrupt to force the server into a halt state. This is used for
diagnostic purposes, and allows you to perform a memory download to determine
the cause of a problem.
Use the reset button to reboot the system.
NMI stands for "non-maskable interrupt". Pressing this button issues
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A+ Server 1020A-8 User's Manual
POWER: This is the main power button, which is used to apply or turn off
the main system power. Turning off system power with this button removes the
main power but keeps standby power supplied to the system.
3-3 Control Panel LEDs
The control panel located on the front of the SC812S-420C chassis has fi ve LEDs.
These LEDs provide you with critical information related to different parts of the
system. This section explains what each LED indicates when illuminated and any
corrective action you may need to take.
Overheat/Fan Fail: When this LED fl ashes it indicates a fan failure. When
on continuously (on and not fl ashing) it indicates an overheat condition, which
may be caused by cables obstructing the airfl ow in the system or the ambient
room temperature being too warm. Check the routing of the cables and make
sure all fans are present and operating normally. You should also check to make
sure that the chassis covers are installed. Finally, verify that the heatsinks are
installed properly (see Chapter 5). This LED will remain fl ashing or on as long as
the overheat condition exists.
2
NIC2: Indicates network activity on LAN2 when fl ashing.
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Chapter 3: System Interface
2
NIC1: Indicates network activity on LAN1 when fl ashing.
HDD: Indicates IDE channel activity. On the 1020A-8, this LED indicates
CD-ROM drive activity when fl ashing.
Power:
This LED should normally be illuminated when the system is operating.
Indicates power is being supplied to the system's power supply units.
3-4 SCSI Drive Carrier LEDs
Each SCSI drive carrier has two LEDs.
Green:
indicates drive activity. A connection to the SCSI SCA backplane enables this LED
to blink on and off when that particular drive is being accessed.
Red: A SAF-TE compliant backplane (standard on the 1020A-8) activates the
red LED, which indicates a drive failure. If one of the SCSI drives fail, you should
be notifi ed by your system management software. Please refer to Chapter 6 for
instructions on replacing failed SCSI drives.
When illuminated, the green LED on the front of a SCSI drive carrier
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A+ Server 1020A-8 User's Manual
3-5 Serverboard LED
There is one LED on the serverboard. DP1, located near the Super I/O chip (see
serverboard layout for location). When illuminated, this LED indicates that system
power (+3.3V) is present on the serverboard.
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