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Supermicro AS-2020A-8R User Manual

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2020A-8R
ERVER
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USER'S MANUAL
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Summary of Contents for Supermicro AS-2020A-8R

  • Page 1 A+ S 2020A-8R ERVER NIC 2 NIC 1 USER’S MANUAL...
  • Page 2 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.

  • Page 3: 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 2020A-8R. Instal- lation and maintainance should be performed by experienced technicians only. The 2020A-8R is a high-end 2U rackmount server based on the SC823S-R500LP server chassis and the H8DA8 serverboard, which supports single or dual AMD Opteron™...
  • Page 4 A+ Server 2020A-8R 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 2020A-8R. Chapter 5: Advanced Serverboard Setup Chapter 5 provides detailed information on the H8DA8 serverboard, including the locations and functions of connectors, headers and jumpers.
  • Page 5 Preface Notes...

  • Page 6: Table Of Contents

    A+ Server 2020A-8R User's Manual Table of Contents Preface About This Manual ... iii Manual Organization ... iii Chapter 1: Introduction Overview ... 1-1 Serverboard Features ... 1-2 Server Chassis Features ... 1-4 Chapter 2: Server Installation Overview ... 2-1 Unpacking the System ...
  • Page 7 Power ... 3-3 SCSI Drive Carrier LEDs ... 3-3 Chapter 4: System Safety Electrical Safety Precautions ... 4-1 General Safety Precautions ... 4-2 ESD Precautions ... 4-3 Operating Precautions ... 4-4 Chapter 5: Advanced Serverboard Setup Handling the Serverboard ... 5-1 Mounting the Serverboard into a Chassis ...
  • Page 8 A+ Server 2020A-8R User's Manual 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 ...
  • Page 9 Power Supply Failure ... 6-10 Removing/Replacing the Power Supply ... 6-10 Chapter 7: BIOS Introduction ... 7-1 Main Setup ... 7-2 Advanced Settings Menu ... 7-2 PCI/PnP Menu ... 7-10 Boot Menu ... 7-11 Security Menu ... 7-13 Chipset Menu ... 7-14 Power Menu ...
  • Page 10 A+ Server 2020A-8R User's Manual Notes...

  • Page 11: Chapter 1: Introduction

    Overview The A+ Server 2020A-8R is a high-end dual processor, 2U rackmount server featur- ing some of the most advanced technology currently available. The 2020A-8R is comprised of two main subsystems: the SC823S-R500LP 2U rackmount chassis and the H8DA8 dual processor serverboard. Please refer to our web site for infor- mation on operating systems that have been certifi...

  • Page 12: Serverboard Features

    A+ Server 2020A-8R User's Manual Serverboard Features At the heart of the 2020A-8R lies the H8DA8, a dual processor serverboard designed to provide maximum performance. Below are the main features of the H8DA8. See Figure 1-1 for a system block diagram of the chipset. Processors The H8DA8 supports single or dual 940-pin AMD Opteron refer to our web site for a complete listing of supported processors.

  • Page 13: Ati Graphics Controller

    ATI Graphics Controller An ATI video controller based on the Rage XL 8 MB graphics chip is integrated onboard the H8DA8. 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.

  • Page 14: Server Chassis Features

    A+ Server 2020A-8R User's Manual Server Chassis Features The SC823S-R500LP is a 2U chassis that features six hot-swap SCSI drive bays, a slim CD-ROM drive, a 3.5" fl oppy drive and a revolutionary cooling design that can keep today's most powerful processors running well below their temperature thresholds.

  • Page 15: Cooling System

    Chapter 1: Introduction Cooling System The SC823S-R500LP chassis has an innovative cooling design that includes four 8-cm hot-plug system cooling fans located in the middle section of the chassis. An air shroud channels the air fl ow from these fans to effi ciently cool the processor area of the system.
  • Page 16 A+ Server 2020A-8R User's Manual Notes...

  • Page 17: Chapter 2: Server Installation

    Server Installation 2-1 Overview This chapter provides a quick setup checklist to get your 2020A-8R up and run- ning. 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 system has come to you with the processors and memory preinstalled.

  • Page 18: Choosing A Setup Location

    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.

  • Page 19: Rack Mounting Considerations

    Chapter 2: Server Installation Rack Mounting Considerations Ambient Operating Temperature If installed in a closed or multi-unit rack assembly, the ambient operating tempera- ture of the rack environment may be greater than the ambient temperature of the room. Therefore, consideration should be given to installing the equipment in an environment compatible with the manufacturer’s maximum rated ambient tempera- ture (Tmra).

  • Page 20: Installing The System Into A Rack

    A+ Server 2020A-8R User's Manual Installing the System into a Rack This section provides information on installing the 2020A-8R into a rack unit. If the 2020A-8R 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.

  • Page 21: Installing The Chassis Rails

    Chapter 2: Server Installation Installing the Chassis Rails Position the fi xed chassis rail sections you just removed along the side of the 2020A-8R 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.

  • Page 22: Installing The Rack Rails

    A+ Server 2020A-8R User's Manual Installing the Rack Rails: Determine where you want to place the 2020A-8R 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.

  • Page 23: Installing The Server Into A Telco Rack

    Chapter 2: Server Installation Figure 2-4. Installing the Server into a Rack Installing the Server into a Telco Rack If you are installing the 2020A-8R 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.

  • Page 24: 2-5 Checking The Serverboard Setup

    A+ Server 2020A-8R User's Manual 2-5 Checking the Serverboard Setup After you install the 2020A-8R 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.

  • Page 25: Checking The Drive Bay Setup

    Chapter 2: Server Installation Figure 2-5. Accessing the Inside of the System Checking the Drive Bay Setup Next, you should check to make sure the peripheral drives and the SCSI drives and SCA backplane have been properly installed and all connections have been made.
  • Page 26 A+ Server 2020A-8R User's Manual 4. Check the airfl ow: Airfl ow is provided by four 8-cm center chassis cooling fans. An air shroud is also included in the system to maximize airfl ow. The system component layout was carefully designed to direct suffi cient cooling airfl ow to the components that gener- ate the most heat.

  • Page 27: Chapter 3: System Interface

    System Interface 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.

  • Page 28: Control Panel Leds

    A+ Server 2020A-8R User's Manual Control Panel LEDs The control panel located on the front of the 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 ac- tion you may need to take.

  • Page 29: Nic2

    NIC2: Indicates network activity on the LAN2 port when fl ashing. HDD: Indicates IDE channel activity. On the 2020A-8R, this LED indicates SCSI and CD-ROM drive activity when fl ashing. Power: Indicates power is being supplied to the system's power supply units. This LED should normally be illuminated when the system is operating.
  • Page 30 A+ Server 2020A-8R User's Manual Notes...

  • Page 31: Chapter 4: System Safety

    Electrical Safety Precautions Basic electrical safety precautions should be followed to protect yourself from harm and the 2020A-8R from damage: Be aware of the locations of the power on/off switch on the chassis as well as the room's emergency power-off switch, disconnection switch or electrical outlet.

  • Page 32: General Safety Precautions

    A+ Server 2020A-8R User's Manual Serverboard Battery: CAUTION - There is a danger of explosion if the onboard battery is installed upside down, which will reverse its polarities. This battery must be replaced only with the same or an equivalent type recommended by the manufacturer.

  • Page 33: Esd Precautions

    ESD Precautions Electrostatic discharge (ESD) is generated by two objects with different electrical charges coming into contact with each other. An electrical discharge is created to neutralize this difference, which can damage electronic com ponents and printed circuit boards. The following measures are generally suffi cient to neutralize this difference before contact is made to protect your equipment from ESD: Use a grounded wrist strap designed to prevent static discharge.

  • Page 34: Operating Precautions

    A+ Server 2020A-8R User's Manual Operating Precautions Care must be taken to assure that the chassis cover is in place when the 2020A-8R is operating to ensure proper cooling. Out of warranty damage to the 2020A-8R system can occur if this practice is not strictly followed. Figure 4-1.

  • Page 35: Chapter 5: Advanced Serverboard Setup

    Advanced Serverboard Setup This chapter covers the steps required to install processors and heatsinks to the H8DA8 serverboard, connect the data and power cables and install add-on cards. All serverboard jumpers and connections are described and a layout and quick reference chart are included in this chapter. Remember to close the chas- sis completely when you have fi...

  • Page 36: Mounting The Serverboard Into A Chassis

    A+ Server 2020A-8R User's Manual Mounting the Serverboard into a Chassis All serverboards and motherboards have standard mounting holes to fi t different types of chassis. Make sure that the locations of all the mounting holes for both the serverboard and the chassis match. Although a chassis may have both plastic and metal mounting fasteners, metal ones are highly recommended because they ground the serverboard to the chassis.
  • Page 37 Chapter 5: Advanced Serverboard Setup 2. Use your thumb and your index fi n- ger to hold the CPU. Locate pin 1 on the CPU socket and pin 1 on the CPU. Triangles Both are marked with a triangle. 3. Align pin 1 of the CPU with pin 1 of the socket.
  • Page 38 A+ Server 2020A-8R User's Manual Installing the Heatsink We recommend the use of active type heatsinks with the 2020A-8R server sys- tem). When using active heatsinks with the system, use the Fan7 header for the CPU1 fan and the Fan8 header for the CPU2 fan due to fan monitoring and wiring considerations.

  • Page 39: Connecting Cables

    Connecting Cables Now that the processors are installed, the next step is to connect the cables to the serverboard. These include the data (ribbon) cables for the peripherals and control panel and the power cables. Connecting Data Cables The ribbon cables used to transfer data from the peripheral devices have been carefully routed in preconfi...

  • Page 40: Connecting The Control Panel

    A+ Server 2020A-8R User's Manual Connecting the Control Panel JF1 contains header pins for various front control panel connectors. See Figure 5-2 for the pin locations of the various front control panel buttons and LED indica- tors and refer to section 5-9 for details. Note that even and odd numbered pins are on opposite sides of each header.

  • Page 41: Installing Memory

    Figure 5-3. Rear Panel I/O Ports Mouse (Green) USB 0/1 Ports Keyboard COM1 Port (Purple) (Turquoise) Installing Memory Exercise extreme care when installing or removing memory modules to prevent any possible damage. 1. Insert each memory module vertically into its slot, beginning with CPU1 slot 1A, then 1B, etc..
  • Page 42 A+ Server 2020A-8R User's Manual Optimizing memory performance If two processors are installed, it is better to stagger pairs of DIMMs across both sets of CPU DIMM slots, e.g. fi rst populate CPU1 slots 1A and 1B, then CPU2 slots 1A, and 1B, then the next two CPU1 slots, etc.

  • Page 43: Adding Pci Cards

    Populating Memory Banks for Interleaved (128-bit) Operation CPU1 CPU1 CPU1 DIMM1A DIMM1B DIMM2A Notes: X indicates a populated DIMM slot. If adding four DIMMs (with two CPUs in- stalled), the confi guration in rows 2 and 6 (with DIMMs spread over both CPUs) will result in optimized performance.

  • Page 44: Serverboard Details

    A+ Server 2020A-8R User's Manual Serverboard Details Figure 5-5. H8DA8 Serverboard Layout J101 FAN5 FAN6 FAN8 (CPU2 Fan) USB0/1 COM1 CPU2 JLAN1 CPU2 DIMM 2A CPU2 DIMM 2B JLAN2 CPU2 DIMM 1A CPU2 DIMM 1B LPIPMI #7 PCI-X 133 MHz #6 Rage XL Graphics JPG1...

  • Page 45: H8Da8 Quick Reference

    H8DA8 Quick Reference Jumpers Description 3rd Power Fail Signal En/Dis Open (Disabled) JBT1 CMOS Clear C1/2 C to PCI Enable/Disable JPA1 SCSI Controller En/Disable JPA2/3 SCSI CH A/B Term. En/Dis JPG1 VGA Enable/Disable JLAN1/JLAN2 En/Disable Watch Dog Connectors Description 1U IPMI IPMI 2.0 Socket COM1, COM2 COM1/COM2 Serial Port/Header...

  • Page 46: Connector Defi Nitions

    A+ Server 2020A-8R User's Manual Connector Defi nitions Power Supply Connectors The primary power supply connector (J1B4) on the H8DA8 meets the SSI (Superset ATX) 24-pin specifi cation. Refer to the table on the right for the pin defi nitions of the ATX 24-pin power connector.

  • Page 47: Hdd Led

    HDD LED The HDD (IDE Hard Disk Drive) LED connection is located on pins 13 and 14 of JF1. Attach the IDE hard drive LED cable to display disk activity. Refer to the table on the right for pin defi nitions. NIC1 LED The NIC1 (Network Interface Control- ler) LED connection is located on pins...

  • Page 48: Reset Button

    A+ Server 2020A-8R User's Manual Reset Button The Reset Button connection is lo- cated 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. Power Button The Power Button connection is located on pins 1 and 2 of JF1.

  • Page 49: Serial Ports

    Serial Ports The COM1 serial port is located be- side the VGA port. COM2 is a header on the serverboard located near the BIOS chip (see serverboard layout for location). See the table on the right for pin defi nitions. Power Fail and Alarm Reset Header Connect a cable from your power sup-...

  • Page 50: Extra Usb Headers

    A+ Server 2020A-8R User's Manual Extra USB Headers Three additional USB1.1 headers (USB2/3/4) are included on the serverboard. These may be con- nected to provide front side access. A USB cable (not included) is needed for the connection. See the table on the right for pin defi...

  • Page 51: Wake-On-Lan

    Wake-On-LAN The Wake-On-LAN header is desig- nated JWOL. See the table on the right for pin defi nitions. You must have a LAN card with a Wake-On-LAN connector and cable to use the Wake- On-LAN feature. Wake-On-Ring The Wake-On-Ring header is desig- nated JWOR.

  • Page 52: 5-10 Jumper Settings

    A+ Server 2020A-8R User's Manual 5-10 Jumper Settings Explanation of Jumpers To modi f y the operat ion of the serverboard, jumpers can be used to choose between optional settings. Jumpers create shorts between two pins to change the function of the connector.

  • Page 53: Jlan1/2 Enable/Disable

    JLAN1/2 Enable/Disable Change the setting of jumper JPL to enable or disable the JLAN1 and JLAN2 Gb Ethernet ports. See the table on the right for jumper settings. The default setting is enabled VGA Enable/Disable JPG1 allows you to enable or disable the VGA port.

  • Page 54: Scsi Termination Enable/Disable

    A+ Server 2020A-8R User's Manual SCSI Termination Enable/ Disable Jumper JPA2 and JPA3 are used to enable or disable termination for the SCSI Channel A and B connectors, re- spectively. The default setting for both is open to enable termination. See the table on right for pin defi...

  • Page 55: Onboard Speaker Enable/Disable

    Onboard Speaker Enable/ Disable The JD1 header allows you to use either an external speaker or the internal (onboard) speaker. To use the internal (onboard) speaker, close pins 6 and 7 with a jumper. To use an external speaker, connect the speaker wires to pins 4 through 7 of JD1.

  • Page 56: 5-12 Floppy, Ide And Scsi Drive Connections

    A+ Server 2020A-8R User's Manual 5-12 Floppy, IDE and SCSI Drive Connections Use the following information to connect the fl oppy and hard disk drive cables. The fl oppy disk drive cable has seven twisted wires. A red mark on a wire typically designates the location of pin 1. A single fl...

  • Page 57: Ide Connectors

    IDE Connectors There are no jumpers to con- figure the onboard JIDE#1 and JIDE#2 connectors. See the table on the right for pin defi nitions. Chapter 5: Advanced Serverboard Setup IDE Drive Connectors Pin Defi nitions (JIDE#1/JIDE#2) Pin# Defi nition Pin # Defi...

  • Page 58: Scsi Connectors

    A+ Server 2020A-8R User's Manual SCSI Connectors Refer to the table at right for pin defi nitions for the Ultra320 SCSI connectors located at JA1 and JB2. Ultra320 SCSI Drive Connectors Pin Defi nitions (JA1/JB2) Pin# Defi nition Pin # Defi...

  • Page 59: Chapter 6: Advanced Chassis Setup

    Advanced Chassis Setup This chapter covers the steps required to install components and perform main- tenance on the SC823S-R500LP chassis. For component installation, follow the steps in the order given to eliminate the most common problems encountered. If some steps are unnecessary, skip ahead to the step that follows. Tools Required The only tool you will need to install components and perform maintenance is a Philips screwdriver.
  • Page 60 A+ Server 2020A-8R User's Manual Figure 6-1. Front and Rear Chassis Views Control Panel/ System Slim CD-ROM Floppy Drive LEDs Drive NIC 2 NIC 1 SCSI Drives (6) 5.25" Drive Bay System Reset Main Power 7 Low-Profi le PCI Slots Keyboard/Mouse Ports USB Ports COM1 Port...

  • Page 61: Control Panel

    Control Panel The control panel (located on the front of the chassis) must be connected to the JF1 connector on the serverboard to provide you with system status indications. A ribbon cable has bundled these wires together to simplify the connection. Connect the cable from JF1 on the serverboard to JP4 on the Control Panel PCB (printed circuit board).

  • Page 62: Drive Bay Installation/Removal

    A+ Server 2020A-8R User's Manual Figure 6-2. System Cooling Fans Serverboard System Cooling Fans Drive Bay Installation/Removal Accessing the Drive Bays SCSI Drives: You do not need to access the inside of the chassis or remove power to replace or swap SCSI drives. Proceed to the next step for instructions. Note: You must use standard 1"...

  • Page 63: Scsi Drive Installation

    SCSI Drive Installation 1. Mounting a SCSI drive in a drive carrier The SCSI drives are mounted in drive carriers to simplify their installation and removal from the chassis. These carriers also help promote proper airfl ow for the SCSI drive bays. For this reason, even empty carriers without SCSI drives installed must remain in the chassis.
  • Page 64 A+ Server 2020A-8R User's Manual 2. Installing/removing hot-swap SCSI drives The SCSI drive bays are located in the front of the chassis, making them easily accessible for installation and removal. The SCSI drives are hot-swap units, mean- ing that they can be installed and removed while the system is running. To remove a SCSI drive, fi...
  • Page 65 Chapter 6: Advanced Chassis Setup SCA Backplane The SCSI drives plug into a SAF-TE compliant SCA backplane that provides power, SCSI ID and bus termination. A RAID controller can be used with the SCA backplane to provide data security. The operating system you use must have RAID support to enable the hot-swap capability of the SCSI drive.

  • Page 66: Installing A Component In The 5.25" Drive Bay

    A+ Server 2020A-8R User's Manual Installing a Component in the 5.25" Drive Bay 1. Mounting a component in the drive carrier A single 5.25" drive bay is located in the front of the chassis. A component such as an additional IDE hard drive or a SCSI drive that can fi t into a standard IDE drive bay can be mounted in this 5.25"...

  • Page 67: Cd-Rom And Floppy Drive Installation

    CD-ROM and Floppy Drive Installation The top cover of the chassis must be opened to gain full access to the CD-ROM and fl oppy drive bays. The 2020A-8R accomodates only slim type CD-ROM drives. Side mounting brakets are typically needed to mount a slim CD-ROM drive in the 2020A-8R server.

  • Page 68: Power Supply

    A+ Server 2020A-8R User's Manual Power Supply The 2020A-8R has a 500 watt redundant power supply consisting of two power mod- ules. Each power supply module has an auto-switching capability, which enables it to automatically sense and operate at a 100V or 240V input voltage. Power Supply Failure If either of the two power supply modules fail, the other module will take the full load and allow the system to continue operation without interruption.

  • Page 69: Chapter 7: Bios

    Chapter 7: BIOS Chapter 7 BIOS Introduction This chapter describes the AMIBIOS™ Setup utility for the H8DA8. BIOS is stored in a fl ash chip and can be easily upgraded using a fl oppy disk-based program. Note: Due to periodic changes to the BIOS, some settings may have been added or deleted and might not yet be recorded in this manual.

  • Page 70: Main Setup

    A+ Server 2020A-8R User's Manual Main Setup When you fi rst enter AMI BIOS Setup Utility, you will see the Main setup screen. You can always return to the Main setup screen by selecting the Main tab on the top of the screen. The Main Setup screen provides you with a system overview, which includes the version, built date and ID of the AMIBIOS, the type, speed and number of the processors in the system and the amount of memory installed in the system.
  • Page 71 IDE Confi guration Onboard PCI IDE Controller The following options are available to set the IDE controller status: Disabled will dis- able the controller. Primary will enable the primary IDE controller only. Secondary will enable the secondary IDE controller only. Both will enable both the primary and the secondary IDE controllers.
  • Page 72 A+ Server 2020A-8R User's Manual data transfer rate of 3.3 MBs. Select 1 to allow AMI BIOS to use PIO mode 1 for a data transfer rate of 5.2 MBs. Select 2 to allow AMI BIOS to use PIO mode 2 for a data transfer rate of 8.3 MBs.
  • Page 73 Floppy Confi guration Floppy A Move the cursor to these fi elds via up and down <arrow> keys to select the fl oppy type. The options are Disabled, 360 KB 5 1/4", 1.2 MB 5 1/4", 720 KB 3½", 1.44 MB 3½”, and 2.88 MB 3½".
  • Page 74 A+ Server 2020A-8R User's Manual Parallel Port Address This option specifi es the I/O address used by the parallel port. Select Disabled to prevent the parallel port from accessing any system resources. When the value of this option is set to Disabled, the printer port becomes unavailable. Select 378 to allow the parallel port to use 378 as its I/O port address.
  • Page 75 BIOS --> AML ACPI Table When Enabled, BIOS-->AML exchange table pointer to be included in (X) REDT pointer list. Options are Enabled and Disabled. Headless Mode Select "Enabled" to activate the Headless Operation Mode through ACPI. The options are Enabled and Disabled. OS Console Redirection When "Enabled", BIOS provides additional options to select remote access type.
  • Page 76 A+ Server 2020A-8R User's Manual CPU0: CPU1 HT Link1 Width The HT link will run at the width specifi ed in this setting. Options are Auto, 2 bit, 4 bit, 8 bit and 16 bit. CPU0: PCI-X0 HT Link1 Speed The HT link will run at the speed specifi...

  • Page 77: System Health Monitor

    System Health Monitor CPU Overheat Temperature Use the "+" and "-" keys to set the CPU temperature threshold to between 65 and 90 C. When this threshold is exceeded, the overheat LED on the chassis will light up and an alarm will sound. The LED and alarm will turn off once the CPU temperature has dropped to 5 degrees below the threshold set.

  • Page 78: Pci/Pnp Menu

    A+ Server 2020A-8R User's Manual PCI/PnP Menu Plug & Play OS Select Yes to allow the OS to confi gure Plug & Play devices. (This is not required for system boot if your system has an OS that supports Plug & Play.) Select No to allow AMIBIOS to confi...

  • Page 79: Boot Menu

    Chapter 7: BIOS DMA Channel 0/Channel 1/Channel 3/Channel 5/Channel 6/Channel Select Available to indicate that a specifi c DMA channel is available to be used by a PCI/PnP device. Select Reserved if the DMA channel specifi ed is reserved for a Legacy ISA device.

  • Page 80: Boot Device Priority

    A+ Server 2020A-8R User's Manual Wait for ‘F1’ If Error Enable to activate the Wait for F1 if Error function. The options are Enabled and Disabled. Hit ‘DEL’ Message Display Enable to display the message telling the user to hit the DEL key to enter the setup utility.

  • Page 81: Security Menu

    Chapter 7: BIOS Floppy Drive and Disabled. CD/DVD Drives This feature allows the user to specify the boot sequence from available CDROM drives. 1st Drive Specifi es the boot sequence for the 1st Hard Drive. Security Menu AMI BIOS provides a Supervisor and a User password. If you use both passwords, the Supervisor password must be set fi...

  • Page 82: Chipset Menu

    A+ Server 2020A-8R User's Manual Chipset Menu North Bridge Confi guration Memory Confi guration Memclock Mode This setting determines how the memory clock is set. Auto has the memory clock set by the code and Limit allows the user to set a stan- dard value.
  • Page 83 ECC Confi guration DRAM ECC Enable DRAM ECC allows hardware to report and correct memory errors au- tomatically. Options are Enabled and Disabled. MCA DRAM ECC Logging When "Enabled", MCA DRAM ECC logging and reporting is enabled. Options are Enabled and Disabled. ECC Chipkill Allows the user to enabled ECC Chipkill.
  • Page 84 A+ Server 2020A-8R User's Manual South Bridge Confi guration 2.0 SMBus Controller Allows the user to Enable or Disable the SMBus controller. HT Link0 P-Comp Mode Allows user to set values for this mode. Options are Auto (hardware compensa- tion values), Data (allows user to override auto values with an absolute value), CalComp + Data (allows user to add to the generated value) and CalComp - Data (allows user to subtract from the generated value).
  • Page 85 Chapter 7: BIOS CalComp + Data (allows user to add to the generated value) and CalComp - Data (allows user to subtract from the generated value). HT Link0 RZ-Comp Mode Allows user to set values for this mode. Options are Auto (hardware compensa- tion values), Data (allows user to override auto values with an absolute value), CalComp + Data (allows user to add to the generated value) and CalComp - Data (allows user to subtract from the generated value).

  • Page 86: Power Menu

    A+ Server 2020A-8R User's Manual Power Menu Power Button Mode Allows the user to change the function of the power button. Options are Instant Off and 4-Sec. Delay. Restore on AC Power Loss This setting allows you to choose how the system will react when power returns after an unexpected loss of power.

  • Page 87: Exit Menu

    Chapter 7: BIOS Exit Menu Select the Exit tab from AMI BIOS Setup Utility screen to enter the Exit BIOS Setup screen. Save Changes and Exit When you have completed the system confi guration changes, select this option to leave BIOS Setup and reboot the computer, so the new system confi guration parameters can take effect.
  • Page 88 A+ Server 2020A-8R User's Manual Notes 7-20...

  • Page 89: Appendix A: Bios Error Beep Codes

    Appendix A BIOS Error Beep Codes During the POST (Power-On Self-Test) routines, which are performed each time the system is powered on, errors may occur. Non-fatal errors are those which, in most cases, allow the system to continue the boot-up process. The error messages normally appear on the screen. Fatal errors are those which will not allow the system to continue the boot-up pro- cedure.
  • Page 90 A+ Server 2020A-8R User's Manual Notes...

  • Page 91: Appendix B: Bios Post Codes

    BIOS POST Codes When AMIBIOS performs the Power On Self Test, it writes checkpoint codes to I/O port 0080h. If the computer cannot complete the boot process, diagnostic equipment can be attached to the computer to read I/O port 0080h. Uncompressed Initialization Codes The uncompressed initialization checkpoint codes are listed in order of execution: Checkpoint...
  • Page 92 A+ Server 2020A-8R User's Manual Bootblock Recovery Codes The bootblock recovery checkpoint codes are listed in order of execution: Checkpoint Code Description The onboard fl oppy controller if available is initialized. Next, beginning the base 512 KB memory test. Initializing the interrupt vector table next. Initializing the DMA and Interrupt controllers next.
  • Page 93 Uncompressed Initialization Codes The following runtime checkpoint codes are listed in order of execution. These codes are uncompressed in F0000h shadow RAM. Checkpoint Code Description The NMI is disabled. Next, checking for a soft reset or a power on condition. The BIOS stack has been built.
  • Page 94 A+ Server 2020A-8R User's Manual Checkpoint Code Description Interrupt vector initialization is done. Clearing the password if the POST DIAG switch is on. Any initialization before setting video mode will be done next. Initialization before setting the video mode is complete. Confi guring the mono- chrome mode and color mode settings next.
  • Page 95 Checkpoint Code Description The memory below 1 MB has been cleared via a soft reset. Clearing the memory above 1 MB next. The memory above 1 MB has been cleared via a soft reset. Saving the memory size next. Going to checkpoint 52h next. The memory test started, but not as the result of a soft reset.
  • Page 96 A+ Server 2020A-8R User's Manual Checkpoint Code Description The password was checked. Performing any required programming before WIN- BIOS Setup next. The programming before WINBIOS Setup has completed. Uncompressing the WINBIOS Setup code and executing the AMIBIOS Setup or WINBIOS Setup utility next.
  • Page 97 Checkpoint Code Description Returned from adaptor ROM at E000h control. Performing any initialization required after the E000 option ROM had control next. Initialization after E000 option ROM control has completed. Displaying the system confi guration next. Uncompressing the DMI data and executing DMI POST initialization next. The system confi...
  • Page 98 A+ Server 2020A-8R User's Manual Notes...

  • Page 99: Appendix C: System Specifi Cations

    Appendix D: System Specifi cations Appendix C System Specifi cations Processors Single or dual AMD Opteron™ 200 Series 64-bit processors in to 940-pin micro PGA ZIF sockets Chipset AMD 8131/8111 chipset BIOS 4 Mb AMIBIOS® Flash ROM Memory Capacity Eight 184-pin DIMM sockets supporting up to 32 GB of registered ECC DDR266/200 or up to 16 GB of registered ECC DDR400/333 SDRAM Note: Both interleaved and non-interleaved memory supported.
  • Page 100 A+ Server 2020A-8R User's Manual Serverboard Model: H8DA8 Form Factor: Extended ATX Dimensions: 12 x 13.05 in (305 x 332 mm) Chassis Model: SC823S-R500LP Form Factor: 2U rackmount Dimensions: (WxHxD) 16.7 x 89 x 25.6 in. (424 x 434 x 650 mm) Weight Gross (Bare Bone): 57 lbs.
  • Page 101 Appendix D: System Specifi cations Regulatory Compliance Electromagnetic Emissions: FCC Class B, EN 55022 Class B, EN 61000-3-2/-3-3, CISPR 22 Class B Electromagnetic Immunity: EN 55024/CISPR 24, (EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8, EN 61000-4-11) Safety: EN 60950/IEC 60950-Compliant, UL Listed (USA), CUL Listed (Canada), TUV Certifi...
  • Page 102 A+ Server 2020A-8R User's Manual Notes...

This manual is also suitable for:

2020a-8r

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