Memory Interleaving Guidelines | Compaq GS160, GS80, GS320 specs

Memory Interleaving Guidelines

•The larger the interleaving factor, the better the system performance.

•Avoid mixing memory sizes; this limits interleaving capability and potential bandwidth.

GS160/320 System Configuration Rules 3-17

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Compaq GS160, GS80, GS320 manual Memory Interleaving Guidelines

Contents

User’s Guide Order Number EK-GS320-UG. B01Compaq Computer Corporation First Printing, May Contents GS80 Rack System Overview GS160/320 System Configuration RulesGS80 Rack System Configuration Rules Booting and Installing an Operating System Using the System Control Manager Chapter OperationAppendix a Jumpering Information Figures Glossary Index Examples Vii Tables Viii Preface Intended AudienceDocument Structure Order Number Title AlphaServer 80/160/320 Family DocumentationDocumentation Titles Information on the Internet Introduction Chapter Introduction AlphaServer GS80/160/320 User’s Guide AlphaServer GS160/320 and GS80 Systems AlphaServer GS160/320 System AlphaServer GS80 SystemSystem Management Console System Control Manager SCM LFU Loadable Firmware Update UtilityFirmware and Utilities Overview SRM Console Sample System Architecture System ArchitecturePage GS160/320 System Overview Chapter GS160/320 System Overview Specification System CharacteristicsSystem Box Characteristics Characteristic Environmental Power Cabinet and System Environmental CharacteristicsPower Cabinet Electrical Specifications System Box Architecture System Box Block Diagram 16-Processor System System Box Block Diagram 8-Processor System Shows two QBBs back to back in the system box Quad Building Block QBB Components GS160/320 System Overview Backplane System Box, Front View Backplane GS160/320 System Overview CPU Module CPU Module Memory Module Memory Module Directory Module Directory Module Power Modules Power Modules 10 Power System Manager Module Power System Manager Module 11 Clock Splitter Module Clock Splitter Module 12 I/O Riser Module 8 I/O Riser Module 13 Global Port Module Global Port Module 14 Distribution Board Distribution Board 15 Distribution Board in Single-Box System 16 Hierarchical Switch Hierarchical Switch GS160/320 System Overview 17 Power System Power System GS160/320 System Overview 18 AC Input Box AC Input Box Circuit Breaker Lines Protected AC Input Box Circuit Breakers 19 PCI Master Box PCI I/O BA54A-BA PCI Box BA54A-AA PCI Box 20 Control Panel Control Panel GS160/320 System Overview 21 shows the various control panel LED status indications Control Panel LEDs GS160/320 System Configuration Rules GS160 System GS160 System Cabinet About the System Cabinet GS160 Configuration Rules GS320 System GS320 System Cabinets GS320 System Configuration Rules Power Cabinet Configuration 32-P System Power Cabinet Power System Requirements Show the power supply slot assignments in each power subrack Power Supply Slot Assignments Power Supply Configuration Rules System Box QBB Cabinet Front System Box System Box QBB Cabinet Rear System Box Configuration Rules QBB Center Bar Color Code Cabinet Front QBB Color Code QBB Center Bar Color Code Cabinet Rear Memory Module and Directory Module Memory Configurations Directory Dimm Type Memory Array Size Part Number Memory Configuration Guidelines Guidelines Memory Interleaving GuidelinesInterleaving Memory Modules Memory Interleaving Memory Interleaving Guidelines 10 Sample I/O Subsystem PCI Boxes GS160/320 System Configuration Rules 11 PCI Slot Locations PCI Box Slot Configuration Remote I/O Riser Logical Hose PCI Slot Configuration GuidelinesPCI Slots and Logical Hoses Logical Hoses Expander Cabinet 12 BA356 Storage Device Configurations GS80 Rack System Overview Chapter GS80 Rack System Overview Rack System Characteristics System Drawer CharacteristicsCharacteristic Specification Rack System Characteristics System Drawer Architecture Two-Drawer Block Diagram GS80 Rack System Overview System Drawer Modules System Drawer Modules System Drawer Backplane Page GS80 Rack System Configuration Rules GS80 Rack System Configuration Rules Rack houses a maximum of two system drawers Rack Rack Variants About the Rack Cabinet Two-Drawer Rack Power System Rack Power System About the Power System Page Booting and Installing an Operating System Chapter Booting and Installing an Operating System Powering Up the System SCM Power-Up DisplayExample 6-1 SCM Power-Up Display On next QBB0 Box-0 Example 6-2 SRM Power-Up Display SRM Power-Up Display On next Entering idle loop initializing keyboard Idle process PID Bootdefdev Setting Boot Options Example BootfileSet bootdefdev bootdevice Set bootfile filename Set bootosflags flagsvalue Bootosflags FlagsValue Bit Number Meaning OpenVMS Boot Flag Settings Set ei*0inetinit value or set ew*0inetinit value 4 ei*0inetinit or ew*0inetinit Bootp Bootp,mop5 ei*0protocols or ew*0protocols Example 6-3 Booting Tru64 Unix from a Local Scsi Disk Booting Tru64 Unix Example 6-3 Booting Tru64 Unix from a Local Scsi Disk Example 6-4 RIS Boot Booting Tru64 Unix Over the Network P00 set eia0protocols bootp P00 set eia0inetinit bootp Example 6-5 Tru64 Unix Installation Display Installing Tru64 Unix Booting and Installing an Operating System Example 6-6 Booting OpenVMS from a Local Disk Booting OpenVMS Booting and Installing an Operating System Example 6-7 InfoServer Boot Booting OpenVMS from the InfoServer Function Example 6-8 OpenVMS Installation Menu Installing OpenVMS Booting and Installing an Operating System Page Operation Chapter Operation SRM Command Overview Summary of SRM CommandsSRM Console Command Notation Formats for SRM Console Commands AttributeConditions Character Special Characters for SRM Console Example 7-1 Set OcpText Command Setting the Control Panel Message Displaying the System Configuration Show Boot CommandExample 7-2 Show Boot Example 7-3 Show Config Show Config Command On next IOD revs Local Link NE ML rev Operation DEGPA-SA Compaq CDR-8435 RZ1CB-CA PowerStorm Acer Labs M1543C Example Show Device Show Device Command Category Description Device Naming Conventions Show Memory Command Show memory command displays the main memory configurationExample Show Memory Setting SRM Environment Variables Setting SRM Console Security Setting Tru64 Unix or OpenVMS Systems to Auto Start Changing the Default Boot Device About Soft Partitioning Soft Partitioning SRM Environment Variables for Soft Partitions Environment VariableDefinition Example 7-6 Defining Soft Partitions Memory Instance Hpcount Hpqbbmaskx Hard PartitioningSCM Environment Variables for Hard Partitions Example 7-7 Defining Hard Partitions Operation Page Using the System Control Manager Using the System Control Manager Console Serial Bus Subsystem CSB Block Diagram Using the System Control Manager System Control Manager Overview Configuration, Error Log, and Asset Information SCM FirmwarePSMs, PBMs, and HPMs SCM COM1 Operating Modes Data Flow in Through Mode Local Mode Through Mode Bypass Modes Data Flow in Bypass Mode Soft Bypass Mode Snoop Mode Hard Bypass Mode Firm Bypass Mode Setups for SCM PCI Box Console Device Setup Entering SCM Commands from a VGA Console Entering the SCMEntering from a Console Device SRM Environment Variables for COM1 SCM Commands SCM Command-Line Interface SCM Commands Power-Up Messages Command Conventions Defining the COM1 Data Flow Status Command Fields Displaying the System StatusField Field Meaning ➊ ➋ ➏ ➐ ➑ ➒ Displaying the System Environment On next Power On and Power Off Power On and Off, Reset, and Halt Halt In and Continue Reset Configuring Remote Dial-In Example 8-1 Dial-In ConfigurationModem Initialization String Dialing Example 8-2 Alert Dial-Out Configuration Configuring Alert Dial-Out Alert Condition Elements of Dial String and Alert String Dial StringAlert String Resetting the Escape Sequence Suggested Solution Troubleshooting TipsSCM Troubleshooting Symptom SCM Troubleshooting Page Jumper Appendix a Jumpering InformationPCI Backplane Jumpers Table A-1 PCI Backplane Jumpers Table A-2 HPM Jumpers Jumper Function, When InstalledHPM Jumpers Standard I/O Module Jumpers Glossary Update Utility Local and remote Switch HoseSwitch Switch power PCI master box PartitionPCI backplane Manager PCI expansion box Module Remote testing Power cabinetPower input Power system Glossary-5 Vaux Glossary-6 Index-1 Index SCM Index-2 Index-3