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Theory of Operations

007-4248-001

7

Figure 2-1

Internal View of SGI 1200 Server with Optional RAID Controller

Figure 2-2 shows the midplane location and optional RAID board in the SGI 1200 server.
Note that the primary cooling fans are located in the middle of the chassis.

PCI-33/32
connector

1 2 3 4

PCI-66/32
connectors

Optional PCI
RAID
controller
board

Secondary
processor

Primary
processor

Floppy cable

Midplane

Main power
connector

DIMMs

400 watt
power supply

Removeable fans

Hot swappable RAID
SCSI hard drives

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Содержание 1200

Страница 1: ...SGI 1200 Family of Servers User s Guide Document Number 007 4248 001 ...

Страница 2: ... 227 14 and or in similar or successor clauses in the FAR or in the DOD DOE or NASA FAR Supplements Unpublished rights reserved under the Copyright Laws of the United States Contractor manufacturer is Silicon Graphics Inc 1600 Amphitheatre Pkwy Mountain View CA 94043 1351 Silicon Graphics is a registered trademark and SGI and the SGI logo are trademarks of Silicon Graphics Inc Cirrus Logic is a re...

Страница 3: ...es xi Where to Find More Information xii Conventions and Terminology xiii Reader Comments xiv 1 Site Preparation and Technical Specifications 1 Site Preparation 1 Technical Specifications 3 2 Hardware Overview 5 Theory of Operations 5 Processors 8 Memory 8 I O Subsystem 8 Midplane 10 ...

Страница 4: ...rnet Activity LED 15 Amber Global Failure LED 15 Hard Drive Carrier LEDs 16 Power Supply LEDs 17 Back Panel Connectors 18 3 Mounting the Server in a Rack 19 Mounting the System in a Rack 19 Slide Rail Mount 20 Center Mount 23 Connecting Everything to Get Started 25 4 Peripheral Use 27 Opening the CD and Floppy Cover 27 Hot swap Drive Use 28 Hard Drive Upgrade Strategies 33 ...

Страница 5: ... s Declaration of Conformity 38 Upgrade Regulatory Label 38 Class A Compliance 38 Electromagnetic Emissions 39 VCCI Notice Japan Only 39 NOM 024 Information Mexico Only 39 Chinese Class A Regulatory Notice 40 Industry Canada Notice Canada Only 40 CE Notice 40 Korean Class A Regulatory Notice 41 Shielded Cables 41 Electrostatic Discharge 41 Index 43 ...

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Страница 7: ...Midplane without Optional RAID Controller 10 Figure 2 5 Midplane Assigned SCSI IDs 11 Figure 2 6 Exploded View of SGI 1200 Server Chassis 12 Figure 2 7 Front Panel Push Buttons Cover Removed 13 Figure 2 8 Front Panel LEDs 14 Figure 2 9 Hard Drive Carrier LEDs 16 Figure 2 10 Power Supply LEDs 17 Figure 2 11 Connectors on the SGI 1200 Server Back Panel 18 Figure 3 1 Slide Rail Installation 22 Figure...

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Страница 9: ... Table 2 2 Hard Drive Carrier LED State Summary 17 Table 2 3 Power Supply LED State Summary 18 Table 3 1 Rack Installation Hardware for Slide Rail Mount 20 Table 3 2 Rack Installation Hardware for Center Mount 23 Table 4 1 SGI 1200 Server External SCSI Connection Choices 33 Table 4 2 SGI 1200 RAID Configurations 34 Table 4 3 RAID 5 Hard Drive Upgrade Strategy 35 ...

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Страница 11: ...EIA rack One or two Intel Pentium III processors Ultra2 SCSI controller S VGA video serial parallel ports and 10 100 BaseT Ethernet on the motherboard Up to 2 GB of ECC SDRAM The SGI 1200 has four hard disk bays and an SCA Single Connector Attachment midplane for easy drive removal replacement and chassis monitoring The server can support hot swap drives with an optional SGI 1200 server RAID contr...

Страница 12: ...ppendix A Regulatory Specifications lists all regulatory information related to the use of the server in the United States and other countries Figure i shows the front of an SGI 1200 server with the CD floppy drive cover removed Figure i Front Panel of SGI 1200 with Optional Hard Drives Where to Find More Information SGI makes its manuals available in a variety of formats via the World Wide Web WW...

Страница 13: ...ing text that describes conditions that could cause injury or death is highlighted with a lightening bolt icon in the left margin Figure ii Injury or Death Warning Icon Warning or caution text that describes conditions that could cause equipment damage or major data loss is highlighted with a explanation mark in the left margin Figure iii Equipment Damage or Data Loss Warning Icon In addition the ...

Страница 14: ...can contact us in any of the following ways Send e mail to the following address techpubs sgi com Use the Feedback option on the Technical Publications Library World Wide Web page http techpubs sgi com Contact your customer service representative and ask that an incident be filed in the SGI incident tracking system Send mail to the following address Technical Publications SGI 1600 Amphitheatre Pkw...

Страница 15: ...site preparation information for a single SGI 1200 chassis Table 1 1 Cooling and Power Requirements Specification Value Per Server Cooling Requirements Minimum configuration Maximum configuration 730 BTU hour 859 BTU hour Air Conditioning Load 0 0718 tons maximum Power Consumption Minimum configuration Maximum configuration 214 Watts 252 Watts Volt Amp Rating for a UPS 600 VA ...

Страница 16: ... chassis flows through the mesh grill at the front of the chassis through the power supply and over the motherboard The hot air exhausts out the back of the chassis Caution Always keep at least 2 inches 5 1 cm of clearance at the back of the chassis for cooling Figure 1 1 SGI 1200 Server Chassis Airflow Diagram ...

Страница 17: ...0 0 lb 31 8 kg maximum Installation Orientation Any with 2 5 1 cm clearance at back Heat Dissipation 859 BTU per hour maximum Acoustic Noise 50 dBA bystander position measurement as per ISO 7779 Air Temperature Operating In packaging 41 to 95 F 5 to 35 C 40 to 149 F 40 to 65 C Thermal Gradient Installed In packaging 18 F 10 C per hour maximum 108 F 60 C per hour maximum Altitude Installed In packa...

Страница 18: ...ne wave 10 Gs 11 msec duration 1 2 sine wave Adheres to Impact Specifications in ISTA specification Mechanical vibration Operating Nonoperating In packaging 0 25 Gs 5 350 Hz peak to peak 0 7 Gs 5 500 Hz Adheres to Random Vibration in ISTA specification Table 1 2 continued Physical and Environmental Specifications Specification Value Per Server ...

Страница 19: ...B of ECC memory Supports the ACPI Advanced Configuration and Power Interface power management specification L2 cache configurations of 512 KB Embedded dual function SCSI controller provides both Ultra2 LVDS wide and Ultra wide SCSI interfaces as two independent PCI bus masters Fast IDE controller support for removable media drives 10 100 Base T ethernet support at burst rates of up to 132 MB sec f...

Страница 20: ...with a midplane and optional RAID controller In Figure 2 1 note the following A dual processor motherboard in single processor systems the secondary processor location must have a terminator board installed The DIMM locations are numbered from one to four moving from left to right The midplane is connected to the optional RAID controller by way of a SCSI cable The optional RAID controller PCI card...

Страница 21: ...onal RAID board in the SGI 1200 server Note that the primary cooling fans are located in the middle of the chassis PCI 33 32 connector 1 2 3 4 PCI 66 32 connectors Optional PCI RAID controller board Secondary processor Primary processor Floppy cable Midplane Main power connector DIMMs 400 watt power supply Removeable fans Hot swappable RAID SCSI hard drives ...

Страница 22: ...ame clock speed Contact your sales or customer support representative for information on upgrading your server s processors Memory The motherboard supports from 128 MB to 2 GB of 100 MHz PC 100 SDRAM memory The system supports only error correcting code ECC memory Contact your sales or system support representative for server memory upgrades I O Subsystem Figure 2 3 shows the basic cabling routes ...

Страница 23: ...I based RAID controller Wide Ultra2 LVD SCSI capability on the motherboard connects to the midplane providing high performance disk I O for hard drives for customers who do not require hot swap capability with data redundancy External connections are not shown All configurations support an optional Ultra SCSI connector for external SCSI devices See Figure 2 11 for the location of this connector on...

Страница 24: ...and SCSI ID selection for SCA hard drives is handled automatically by the midplane Note The midplane does not support single ended SCSI devices The SCA midplane uses Qlogic s GEM processor to implement the SAF TE SCSI Accessed Fault Tolerant Enclosure specification The processor monitors the removal and replacement of Ultra 2 SCSI SCA hard drives scans the SCSI bus for errors and senses chassis ov...

Страница 25: ...ssis temperature When the sensors detect internal chassis temperatures above 50 degrees C equipment damaging conditions the midplane issues a signal that causes the amber Global Failure LED on the front panel to light The chassis fans are also monitored and a fan failure causes the Global Failure LED to light Chassis Tour Figure 2 6 shows some of the main chassis components in an exploded view The...

Страница 26: ...12 007 4248 001 2 Hardware Overview Fans Optional PCI cards Power supply Figure 2 6 Exploded View of SGI 1200 Server Chassis ...

Страница 27: ...I 1200 server If the amber Global Failure LED that you can view through the front cover does light you can use the information in this section and Chapter 5 to troubleshoot the failure source Figure 2 7 Front Panel Push Buttons Cover Removed Front AC Power Push Button Pressing this button powers on the SGI 1200 server If you decide that you don t want to power up the SGI 1200 server press the butt...

Страница 28: ...ice Reset Push Button The reset push button connects to the motherboard If the SGI 1200 server freezes during use pressing the reset button issues a hardware reset to the BIOS and the operating system reloads Caution Pressing the reset button is the last resort for dealing with a non responsive server Any work not saved to disk will be lost when the reset button is pressed Pressing the reset butto...

Страница 29: ...activity located above the amber Global Failure LED flickers during 100 and 10 Mbps Ethernet activity Amber Global Failure LED There are a variety of failure conditions that cause the amber Global Failure LED to light including AC power into the power supply out of normal range DC power outputs from the power supply not within specified range A variety of hard disk drive failure conditions see the...

Страница 30: ...rive Carrier LEDs Table 2 1 Front Panel LED State Summary LED Normal Status During Use Problem Indication AC Power LED Bright blue LED not lit Disk Activity LED Blinks green during any hard disk activity LED never flickers Network Activity LED Blinks green during 10 and 100 Mbps network activity LED never flickers Global Failure LED LED not lit Solid amber LED or very slow blinking amber LED Green...

Страница 31: ...icates that the power supply is supplying the chassis with 5V standby for EMP port control The amber LED turns off when the rocker switch above the AC power receptacle is switched on and the chassis receives all DC power A lit green LED indicates the chassis is powered up Table 2 2 Hard Drive Carrier LED State Summary LED Normal Status During Use Problem Indication Green LED LED blinks during hard...

Страница 32: ...LED LED lit Green LED does not light after power switched on Amber LED LED lit when AC cord plugged in amber LED turns off when AC rocker switch turned on Amber LED remains lit after power switched on AC on off rocker switch AC power connector USB connectors Parallel port connector Optional PCI board RAID controller board shown Mouse connector Optional external SCSI connector Network connector Vid...

Страница 33: ...equipment damaged if the rack topples over Make sure that only one SGI 1200 server at a time in the rack is extended forward on slides Install all equipment into the rack from the lowest available position The rack must be anchored to the floor with stabilizing feet to enhance stability Also make certain that the rack has sufficient power for the server s needs Check with the appropriate facilitie...

Страница 34: ...the right and left side slide rails Line up the five screw holes on each side and install five 1 4 inch 0 64 cm length 10 24 screws to attach each slide Caution Use only the included 1 4 inch 0 64 cm length screws Using longer screws will damage the power supply case 6 Install the right and left rear mounting brackets and extenders into the rack frame See Figure 3 1 Table 3 1 Rack Installation Har...

Страница 35: ...les on each side of the rear mounting bracket and extender and install four 1 4 inch 0 64 cm length 10 32 screws and 10 32 nuts on the inside At the back of the rack line up the rear screw holes and attach the 10 24 rack screws on the right and left sides 7 With one person holding each side slide the SGI 1200 server chassis with slides attached onto the rails into the rack Line up the slides and r...

Страница 36: ...22 007 4248 001 3 Mounting the Server in a Rack Figure 3 1 Slide Rail Installation ...

Страница 37: ...rails level Count the holes on rack rails from the bottom of the rack carefully on each side 4 As one person slides the system onto the brackets from the front of the rack and holds it in place the other person lines up the top two front screw holes Tip the system up slightly and install the front two top chassis screws loosely to hold the majority of the system s weight See Figure 3 2 5 Install t...

Страница 38: ...24 007 4248 001 3 Mounting the Server in a Rack Figure 3 2 Installing the Chassis into a Center Mount Rack 10 24 screw Rack screw 10 24 screw ...

Страница 39: ...ack of the chassis is in the Off position 2 Connect the AC power cable to the power receptacle 3 Connect the mouse cable from the optional mouse 4 Connect the keyboard cable from the optional keyboard 5 Connect any other cables serial EMP and S VGA monitor as applicable 6 Connect the Ethernet cable 7 Turn the AC power switch on the power supply to the On position 8 Press the AC power switch on the...

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Страница 41: ...se the CD and floppy drives you must open or remove the plastic front cover The following section describes how Opening the CD and Floppy Cover As shown in Figure 4 1 the plastic front cover swings open to the right Note that there is no fastener to hold the cover closed Figure 4 1 Opening the CD and Floppy Front Cover ...

Страница 42: ... swap drives Caution NEVER remove a hot swap drive while the array is being rebuilt The amber global failure LED on the front panel blinks very slowly while the array rebuilds so do not remove a drive until the array is finished rebuilding Never remove more than one hard drive carrier from the SGI 1200 server at a time All RAID levels fail when more than one hard drive is removed from the chassis ...

Страница 43: ...Hot swap Drive Use 007 4248 001 29 Figure 4 2 SCSI Drive Numbering SCSI ID 1 SCSI ID 2 SCSI ID 3 SCSI ID 4 Midplane is SCSI ID 9 ...

Страница 44: ...e of the release handle 2 Squeeze the middle of the drive handle Note If you are using an optional RAID controller you must have the RAID configured properly to remove and replace a hard drive carrier with the power on Refer to the PCI RAID card s documentation for additional information Figure 4 3 Releasing a Hard Disk Drive ...

Страница 45: ... data on a failed drive You will need to restore backup data after the failed drive is replaced Also allowing 30 seconds for the hard drive to spin down after releasing the drive handle is highly recommended Figure 4 4 Removing a Hard Drive 4 Slide a new drive into the drive bay using the drive release handle in a two step motion as shown in Figure 4 5 ...

Страница 46: ...pheral Use Figure 4 5 Replacing a Hard Disk Drive 5 Find the icon on the drive release handle Push the drive carrier in 6 Press the handle toward the chassis and lock the drive release handle 1 2 Push to insert the new drive ...

Страница 47: ...he following steps 1 Back up your system 2 Safely shut down the system 3 Install the hard drive 4 Restart the operating system 5 Configure the new device as applicable to your operating system The two independent SCSI channels on the motherboard enable a variety of external SCSI connections Table 4 1 shows that the SGI 1200 server can be connected to Ultra SCSI by way of an optional SCSI connector...

Страница 48: ...rd drive 4 Configure the new hard drive in a fault tolerant configuration in a second volume 5 Start the system 6 Configure the drive as a new logical volume The second alternative involves the following steps 1 Back up your system 2 Safely shut down the system 3 Install the hard drive 4 Format hard drives to erase the old RAID 5 configuration 5 Configure all the hard drives in the system as a RAI...

Страница 49: ...Hot swap Drive Use 007 4248 001 35 Table 4 3 RAID 5 Hard Drive Upgrade Strategy Drive Slot Number Number of installable hard drives 1 2 3 4 Three hard drives one new in slot 4 R5 R5 R5 ...

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Страница 51: ...ormity to the European requirements Caution Each SGI server system has several governmental and third party approvals licenses and permits Do not modify this product in any way that is not expressly approved by Silicon Graphics If you do you may lose these approvals and your governmental agency authority to operate this device Server Model Number The CMN model number for each server is shown on th...

Страница 52: ...rence received including interference that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radi...

Страница 53: ...s Operation is subject to the following two conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired operation Also this device complies with Class A electromagnetic emissions limits of C I S P R Publication 22 Limits and Methods of Measurement of Radio Interference Characteristics of Information Tec...

Страница 54: ...nts of the Canadian Interference Causing Equipment Regulations Cet appareil numérique német pas de perturbations radioélectriques dépassant les normes applicables aux appareils numériques de Classe A préscrites dans le Règlement sur les interferences radioélectriques établi par le Ministère des Communications du Canada CE Notice Marking by the CE symbol indicates compliance of the device to direct...

Страница 55: ...e cable supplied with your system If your monitor cable becomes damaged a replacement cable should be obtained from Silicon Graphics Electrostatic Discharge Silicon Graphics designs and tests its products to be immune to the effects of electrostatic discharge ESD ESD is a source of electromagnetic interference and can cause problems ranging from data errors and lockups to permanent component damag...

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Страница 57: ... maximum 1 C cables inside the FullOn 2x2 8 center mount rack installation 23 24 center mounting brackets 23 connectors on the back panel 18 controller Ethernet capabilities 5 IDE on motherboard 5 SCSI type on motherboard 5 conventions and terminology used in this guide xiii cooling heat dissipation maximum 1 3 cooling and power requirements 1 CPU processor used on motherboard 5 D dimensions of sy...

Страница 58: ...8 front panel xii internal cabling 8 internal components of 6 11 uninterruptable power supply requirements 1 G global failure amber LED 15 global failure LED 11 H hard drive numbering 29 upgrade strategy 33 hard drive bays numbering 28 hard drive carrier LEDs 16 hot swap drive hard drive bay numbering 28 releasing 30 replacing 32 sliding out 31 hot swap drive with RAID using 28 humidity range of 3...

Страница 59: ...ng of DIMMs 6 midplane connection to optional RAID controller 6 support for SAF TE 10 motherboard overview of 5 N noise acoustic 3 O orientation of installed system 3 overview of FullOn 2x2 hardware 5 of the front panel xii P parallel port connector 18 physical and environmental specifications vibration 1 3 power blue LED 15 power and cooling requirements 1 power button details of operation 14 loc...

Страница 60: ...ctor 18 sensors location of temperature 11 SGI 1200 acoustic noise of 3 air conditioning load 1 air temperature requirements of 3 airflow through the chassis 2 altitude range of 3 installation orientation 3 location of temperature sensors in 11 mechanical shock range 4 power and cooling requirements 1 power consumption 1 preparing your site for 1 relative humidity range 3 temperature leading to sh...

Страница 61: ...the server chassis 11 thermal gradient of server 3 terminology used in this guide xiii thermal gradient 3 troubleshooting summary of LED indicators 16 U uninterruptable power supply UPS requirements for 1 upgrades memory types supported 8 V vibration 1 3 range of 4 video connector location of 18 W weight of system 3 World Wide Web SGI URL address xii ...

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