Adaptec 1450 Specifications

SGI™1450 ServerMaintenance GuideDocument Number 007-4276-001

84 007-4276-0014: Solving ProblemsEquipment LogUse the blank equipment log in Table 4-4 to record information about the system. Someof this informatio

Equipment Log007-4276-001 85Table 4-4 (continued) Equipment LogItemManufacturerName Model Number Serial Number Date Installed

007-4276-001 87Appendix AA. Technical ReferenceThis appendix provides a description of the rear panel I/O ports, the peripheral adapterboard and conne

88 007-4276-001A: Technical ReferenceSerial 2 Baseboard External interface 9-pin serial port connectorEthernet 1 Baseboard External interface RJ45 con

Internal Cables and Connectors007-4276-001 89Slot 2 4 Baseboard Processor module 330-pin card edge connectMemory 1 Baseboard Memory module 330-pin car

90 007-4276-001A: Technical ReferenceConnectors Accessible to the UserThis section describes the rear panel I/O ports.Keyboard and Mouse PortsThese id

Connectors Accessible to the User007-4276-001 91The COM2 serial port can be used either as an emergency management port or as anormal serial port. Tab

92 007-4276-001A: Technical ReferenceVideo PortThe video port interface is a standard VGA-compatible 15-pin connector. Onboard videois supplied by an

Connectors Accessible to the User007-4276-001 93Universal Serial Bus (USB) InterfaceThe baseboard provides two stacked USB ports (port 0 on top, port

007-4276-001 xiFiguresFigure 1-1 ServerinRack-MountableConfiguration...3Figure 1-2 FrontCoverRetainingScrews ...4Figure 1-3 TopCoverThumb

94 007-4276-001A: Technical ReferenceICMB ConnectorsThe external Intelligent Chassis Management Bus (ICMB) provides external access toICMB devices tha

Connectors Accessible to the User007-4276-001 95Internal SCA-2 HDD ConnectorAn SCA-2 connector is used on the primary side of the HDD backplane. The p

96 007-4276-001A: Technical Reference9 -DB(9) (S) 49 +DB(9) (S)10 -DB(8) (S) 50 +DB(8) (S)11 -I/O (S) 51 +I/O (S)12 -REQ (S) 52 +REQ (S)13 -C/D (S) 53

Connectors Accessible to the User007-4276-001 97External Adaptec Ultra 160/m SCSIAs an option, the server system can support a shielded external SCSI

98 007-4276-001A: Technical Reference10 DP(4) 44 DM(4)11 DP(5) 45 DM(5)12 DP(6) 46 DM(6)13 DP(7) 47 DM(7)14 DAPLP 48 DAPLM15 GND 49 GND16 DIFFSENSE 50

Connectors Accessible to the User007-4276-001 99AC Power InputAsingleIEC320-C13receptacleisprovidedattherearoftheserver.Useanappropriatelysizedpowerco

100 007-4276-001A: Technical ReferencePeripheral Adapter Boards and ConnectorsThe peripheral adapter boards convert the 50-pin JAE and FFC signal inte

Peripheral Adapter Boards and Connectors007-4276-001 101Table A-12 shows the cable pinout assignments for the CD-ROM adapter board powerconnector.Tabl

102 007-4276-001A: Technical Reference5 RESET- 6 DD87 DD7 8 DD99 DD6 10 DD1011 DD5 12 DD1113 DD4 14 DD1215 DD3 16 DD1317 DD2 18 DD1419 DD1 20 DD1521 D

Peripheral Adapter Boards and Connectors007-4276-001 103Floppy ConnectorsTable A-15 shows the cable pinout assignments for the 34-position floppy conn

xii 007-4276-001FiguresFigure 3-7 ICMBCard...71Figure 3-8 ExampleofanICMBCardAttachedtoaChassis...72Figure 3-9 InternalCableAttachedt

104 007-4276-001A: Technical ReferenceTable A-16 shows the cable pinout assignments for the floppy adapter board powerconnector.Table A-17 shows the c

Baseboard Connectors007-4276-001 105Baseboard ConnectorsFigure A-1 shows connector locations on the baseboard. This section provides pininformation ab

106 007-4276-001A: Technical ReferenceTable A-18 provides a description of baseboard connectors.Table A-18 Connector DescriptionItem Connector Descrip

Baseboard Connectors007-4276-001 107Power Distribution Board Interface Connectors (J9B1, J9D1, J9B2)The Baseboard receives its main power through two

108 007-4276-001A: Technical ReferenceTable A-19 describes the main power connector A (J9B1).Table A-19 Main Power Connector A (J9B1)Pin Signal TypeCu

Baseboard Connectors007-4276-001 109Table A-20 describes the main power connector B (J9D1).Table A-20 Main Power Connector B (J9D1)Pin Signal Type Cur

110 007-4276-001A: Technical ReferenceTable A-21 describes the auxiliary power connector.23 Ground Ground 6 A Ground return connection24 12 V Power 6

Baseboard Connectors007-4276-001 111Front Panel Interface (J9E3)The front panel attaches to a 30-pin header on the baseboard. The header contains rese

112 007-4276-001A: Technical Reference9 PWR_FLT_LED* Out SYSTEM FAULT indicates that either a power fault orSCSI drive failure has occurred in the sys

Baseboard Connectors007-4276-001 113Hot-Plug PCI Indicator Board Interface (J3D1)The hot-plug PCI indicator board (HPIB) contains the necessary LEDs a

007-4276-001 xiiiTablesTable 1-1 SGI1450ServerPhysicalSpecifications...2Table 1-2 ChassisFeatureSummary...7Table 1-3 HardDriveLEDState

114 007-4276-001A: Technical Referencesystem to enable and initialize the PHP slot, the user momentarily presses the switchagain.Note: At this time, t

Baseboard Connectors007-4276-001 115Memory Module Interface (J6F1)TableA-24describesthecablepinoutassignmentsforthememorymoduleinterface.11 P64_B_AMB_

116 007-4276-001A: Technical ReferenceA013 GND B013 CMD6 A096 GND B096 CMD96A014 CMD18 B014 VCC3 A097 CMD112 B097 VCC3A015 CMD5 B015 CMD21 A098 CMD113

Baseboard Connectors007-4276-001 117A037 GND B037 0_CS1 A120 CMD111 B120 VCC3A038 0_CS2 B038 VCC3 A121 CMD127 B121 CKE_1A039 0_CS3 B039 0_MCDOE* A122

118 007-4276-001A: Technical ReferenceA061 CMD56 B061 VCC3 A144 CMD73 B144 VCC3A062 CMD62 B062 CMD63 A145 CMD89 B145 CMD72A063 GND B063 CMD61 A146 GND

Baseboard Connectors007-4276-001 119*Signal active low.**Pins are numbered with respect to the module edge connector. Axx signals appear onthe front (

120 007-4276-001A: Technical ReferenceA014 A20M* B014 VCCP A097 BCLK B097 VCCPA015 FERR* B015 STPCLK* A098 TEST_VSS(pd)B098 RESET*A016 GND B016 TCK A0

Baseboard Connectors007-4276-001 121A037 VSS B037 BPM1* A120 A10* B120 VCCL2A038 DEP1* B038 VCCP A121 A5* B121 A8*A039 DEP3* B039 DEP2* A122 GND B122

122 007-4276-001A: Technical ReferenceA060 GND B060 D47* A143 GND B143 BR1*A061 D39* B061 VCCP A144 ADS* B144 VCCL2A062 TEST_25 (pu)*** B062 D44* A145

Baseboard Connectors007-4276-001 123* Signal is active low.** Pins are numbered with respect to the module edge connector. Axx signals appear onthe fr

xiv 007-4276-001TablesTable A-17 FFCconnector...104Table A-18 ConnectorDescription...106Table A-19 MainPowerConnectorA(J9B1)...

124 007-4276-001A: Technical ReferenceA5 P12VIN3 POWERA6 P1SHAREA7 VID0 OUTA8 VID2 OUTA9 VID4 OUTA10 VCCP1 POWERA11 VSS1 POWERA12 VCCP2 POWERA13 VSS2

Baseboard Connectors007-4276-001 125*Type (in/out) is from the perspective of the baseboard.Termination CardYou must install a termination card in any

126 007-4276-001A: Technical ReferenceOn the baseboard, pins 1, 9, 15, and 17 are connected to SMI_L, NMI, SECURE_MODE,and CHASSIS_INTRUSION. Some ser

Baseboard Connectors007-4276-001 127SM Bus Connector (J9E4)This connector allows connection to the Memory Module I2C bus on which the DIMMsEEPROMs res

128 007-4276-001A: Technical Referenceprovides a mechanism for chassis power control. As an option, you can configure aserver with an ICMB adapter boa

Baseboard Connectors007-4276-001 129The baseboard only supports monitoring a total of eight tachometer fan inputs. The frontpanel connector provides c

130 007-4276-001A: Technical ReferenceTableA-33describetheprocessorfanconnector#3(J4A1).Table A-34 describe the processor fan connector #4 (J4C1).Inte

Baseboard Jumpers007-4276-001 131Baseboard JumpersOne 15-pin, one 11-pin, and one 3-pin single inline header provide a total of eight 3-pinjumper bloc

132 007-4276-001A: Technical ReferenceTable A-36 identifies jumpers JP1, JP2, JP3, and JP4.Table A-37 describes the jumper settings for jumpers JP2, J

Changing Jumper Settings007-4276-001 133Changing Jumper SettingsFollow the instructions in this section to change the settings for the CMOS clear jump

007-4276-001 xvAbout This GuideThis guide contains a detailed description of the SGI™ 1450 server chassis and providesinformation on removing and inst

134 007-4276-001A: Technical ReferenceThere are two methods to restore the default values.Method 11. Hold down the system's reset button down for

Changing Jumper Settings007-4276-001 13513. If the baseboard is installed in a system, reinstall the access covers, connect thepower cords, and turn o

136 007-4276-001A: Technical ReferenceRecovery Boot JumperThe jumper at pins 9, 10, and 11 controls whether the system attempts to boot using theBIOS

Interrupts007-4276-001 1379. Wait for POST to complete and for the message Press F1 to resume, PressF2 to Setup to be displayed.10. Turn off the syste

138 007-4276-001A: Technical ReferenceVideo ModesThe RAGE IIC chip supports all standard IBM® VGA modes. Table A-40 shows all themodes that this imple

Video Modes007-4276-001 1391600x1200 76 256640x480 200 65K800x600 200 65K1024x768 150 65K1152x864 120 65K1280x1024 100 65K1600x1200 76 65K640x480 200

007-4276-001 141Appendix BB. Physical Environment SpecificationsTable B-1 details the environmental specifications for the SGI 1450 server.Table B-1 E

007-4276-001 143IndexAAC power, LED state status, 14add-in boardinstalling 32-bit, 33 MHz half-length PCI board, 66installing 64-bit, 66/33 MHz hot-pl

xvi 007-4276-001About This Guidewith your comments. (Online, the document number is located in the front matter of themanual. In printed manuals, the

144 007-4276-001Indexmemory retention bar, 27power subsystem bay, 37power supply module, 35processor, 59processor handles, 60processor heatsink, 60pro

007-4276-001 145IndexSSCSIcontrollers, 17optional external connector, 97TTechnical Publications Library, obtaining SGIdocumentation, xvVvoltage regula

007-4276-001 1Chapter 11. Detailed Chassis DescriptionThis chapter provides a detailed description of chassis features. For a generaldescription, see

2 007-4276-0011: Detailed Chassis DescriptionChassis FeaturesThe SGI 1450 server is designed either to be mounted in a standard 19-inch rack (rackmode

Chassis Features007-4276-001 3Figure 1-1 shows an SGI 1450 server in rack-mountable configuration.Figure 1-1 Server in Rack-Mountable ConfigurationA.

Cover design by Sarah Bolles, Sarah Bolles Design, and Dany Galgani, SGI Technical Publications.© 2000, Silicon Graphics, Inc.— All Rights ReservedThe

4 007-4276-0011: Detailed Chassis DescriptionThe chassis has two covers: a front cover and a top cover. The front cover is held in placeby three screw

Chassis Features007-4276-001 5The top cover is held in place by two thumbscrews, each located at the top rear corner ofthe chassis. One of two thumbsc

6 007-4276-0011: Detailed Chassis DescriptionFigure 1-4 gives an overhead view of the system with the top cover and front bezelremoved.Figure 1-4 (Lef

Chassis Features007-4276-001 7Table 1-2 summarizes the SGI 1450 server features, using the callouts provided inFigure 1-4.Table 1-2 Chassis Feature Su

8 007-4276-0011: Detailed Chassis DescriptionE. Electronics Bay(E-Bay)The E-Bay contains the baseboard. The baseboard has the followingmajor component

Peripherals007-4276-001 9PeripheralsPeripheral BayThe chassis contains one peripheral bay for CD-ROM, DAT, and floppy drives. Theperipheral bay contai

10 007-4276-0011: Detailed Chassis DescriptionHard Drive BayThe chassis contains one hard drive bay. The hard drive bay accommodates up to five3.5-inc

Power Subsystem007-4276-001 11An LED above each hard drive displays the status of that hard drive. Table 1-3 shows thehard drive LED status.The SCSI b

12 007-4276-0011: Detailed Chassis DescriptionFigure 1-6 Power SubsystemWarning: The total power requirement for the SGI 1450 server exceeds the 240 V

Power Subsystem007-4276-001 13The SGI 1450 server uses a redundant (2+1) power subsystem. To form a (2+1) redundantpower subsystem, the subsystem para

007-4276-001 iiiRecord of RevisionVersion Description001 June 2000Initial Rev

14 007-4276-0011: Detailed Chassis DescriptionDC power is sourced through 20-pin and 24-pin power cables to the baseboard. Remotesensing signals are p

System Cooling007-4276-001 15Figure 1-7 Fan Board AssemblyThe cooling system supports either a non-redundant configuration or a redundantconfiguration

16 007-4276-0011: Detailed Chassis DescriptionAn LED above each cooling fan displays the status of that fan. The LEDs for two fans arenoted by “A” in

E-Bay007-4276-001 17patterns are disrupted within the system. To maintain correct airflow patterns within thechassis and to ensure that all components

18 007-4276-0011: Detailed Chassis DescriptionChassis Front Controls and IndicatorsFigure 1-9 shows the front panel controls and indicators.Figure 1-9

Rear Panel I/O Ports and Features007-4276-001 19Rear Panel I/O Ports and FeaturesFigure 1-10 shows a detailed view of the rear panel I/O ports and fea

20 007-4276-0011: Detailed Chassis DescriptionI. Serial port 2 (COM1), 9-pin RS-232 connectorJ. IEEE 1284-compliant, 25-pin bi-directional parallel co

007-4276-001 21Chapter 22. Removing and Installing System ComponentsThis chapter provides information on removing and installing the following systemc

22 007-4276-0012: Removing and Installing System ComponentsTools and Supplies NeededThe following tools and supplies will allow you to remove and inst

Front Cover007-4276-001 23Caution: ESD can damage disk drives, boards, and other parts. It is recommended thatall procedures in this chapter be perfor

24 007-4276-0012: Removing and Installing System Components• Removing and installing media devices in the device bay• Removing and installing the fan

Top Cover007-4276-001 25Top CoverFollow the instructions in this section to remove and install the top cover.Removing the Top CoverTo reach components

26 007-4276-0012: Removing and Installing System Components4. Position the cover over the chassis so that the rows of tabs align with slots in thechas

Baseboard007-4276-001 27Figure 2-1 Memory Retention BarA. Captive screwB. Memory retention barC. Clip at the rear of the chassisInstalling the Memory

28 007-4276-0012: Removing and Installing System ComponentsRemoving the BaseboardTo remove the baseboard, follow these steps:Caution: The baseboard ca

Baseboard007-4276-001 2912. Remove the 33-MHz half-length PCI add-in boards. See “Removing a 32-bit,33-MHz Half-Length PCI Add-in Board” on page 65.13

30 007-4276-0012: Removing and Installing System Components18. Remove the plastic slot dividers. First, pull up on the end at the front of the E-Bay,a

Baseboard007-4276-001 31Installing the BaseboardTo install the baseboard, follow these steps:1. Observe the safety and ESD precautions at the beginnin

32 007-4276-0012: Removing and Installing System Components8. Attach the screws securing the baseboard to the chassis. There should be two ofthem.9. I

Power Subsystem007-4276-001 3323. Connect all peripheral cables to the I/O panel on the back of the system.Power SubsystemFollow the instructions in t

007-4276-001 vContentsFigures ...xiTables ...xiiiAbout This Guide...xvObtainingPubli

34 007-4276-0012: Removing and Installing System ComponentsFigure 2-5 Power SubsystemA. One of two screws on both sides of the chassis. When removing

Power Subsystem007-4276-001 35Warning: Hazardous voltage, current, and energy levels are present inside thepower subsystem. There are no user-servicea

36 007-4276-0012: Removing and Installing System Components1. Remove the front bezel by gently pulling on the edge of the front bezel. The ballstuds o

Power Subsystem007-4276-001 377. Un-route the AC distribution cable from the chassis retention features.8. With the power supplies securely fastened,

38 007-4276-0012: Removing and Installing System ComponentsFigure 2-6 Metal Plate Covering the Power Subsystem Bay9. Tightenthetwoscrewsoneachsideofth

Cooling System007-4276-001 39Removing the Fan Board AssemblyTo remove the fan board assembly, follow these steps:1. Observe the safety and ESD precaut

40 007-4276-0012: Removing and Installing System Components• One ribbon cable that connects to the baseboard.• One ribbon cable that connects to the f

Cooling System007-4276-001 41Figure 2-8 Fan Assembly Rotated away From Its BaseA. Upper portion of fan board assemblyB. Fan board assembly baseC. Plas

42 007-4276-0012: Removing and Installing System ComponentsRemoving and Installing Individual FansTo remove and install individual fans, follow these

Hard Drive Bay007-4276-001 43Removing the Hard Drive BayTo remove the hard drive bay, follow these steps;1. Observe the safety and ESD precautions at

vi 007-4276-001ContentsMemoryRetentionBar...26RemovingtheMemoryRetentionBar...26InstallingtheMemoryRetentionBar...

44 007-4276-0012: Removing and Installing System Components7. With a flat head screwdriver, pry the right side of the hard drive bay out of thechassis

Peripheral Devices007-4276-001 45Peripheral DevicesThe chassis contains one peripheral bay for CD-ROM, DAT, and floppy drives. Theperipheral bay conta

46 007-4276-0012: Removing and Installing System Components3. Remove the front cover. See “Removing the Front Cover” on page 23.4. Disconnect the powe

SCSI Requirements007-4276-001 477. Connect the power and signal cables to the drive.8. Install the front cover. See “Installing the Front Cover” on pa

007-4276-001 49Chapter 33. Removing and Installing Baseboard ComponentsThis chapter provides information on removing and installing the following base

50 007-4276-0013: Removing and Installing Baseboard ComponentsTools and Supplies NeededThe following tools and supplies allow you to remove and instal

Pre-Installation Safety Precautions007-4276-001 51Caution: ESD can damage disk drives, boards, and other parts. We recommend that youdo all procedures

52 007-4276-0013: Removing and Installing Baseboard ComponentsBaseboard Connector and Component LocationsFigure 3-1 shows a detailed view of the baseb

Memory007-4276-001 53O. COM1, COM2 ConnectorP. Keyboard/MouseQ. Main Power 1R. Auxiliary PowerS. Main Power 2T. SMBusU. Front PanelV. I D E C o n n e

Contents007-4276-001 viiProcessors...57RemovingaProcessor...59InstallingaProcessor...59Removi

54 007-4276-0013: Removing and Installing Baseboard Componentsthe ranges defined as memory holes using configuration registers). The system supportsbo

Memory007-4276-001 55X. One of sixteen DIMM socketsY. One of four memory address data paths (MADP)Z. Memory expansion card connector (MECC)Removing th

56 007-4276-0013: Removing and Installing Baseboard ComponentsRemoving DIMMsTo remove DIMMs, follow these steps;Caution: Use extreme care when removin

Processors007-4276-001 57Figure 3-3 DIMM Orientation in a Memory ModuleNote: DIMM slots on the memory module must be installed only in certainconfigur

58 007-4276-0013: Removing and Installing Baseboard ComponentsCaution: Reduce the risk of electrostatic discharge (ESD) damage to the processor bydoin

Processors007-4276-001 59Removing a ProcessorSee Figure 3-4 for the location of processor components.1. Observe the safety and ESD precautions at the

60 007-4276-0013: Removing and Installing Baseboard Components3. With a long bladed screwdriver, remove the two screws at the base of the processorret

Voltage Regulator Modules (VRMs)007-4276-001 615. Attach the heatsink to the processor with five 6-32 X 3/8 screws, and tighten to 8-10inch-pounds.Vol

62 007-4276-0013: Removing and Installing Baseboard ComponentsRemoving a VRMTo decide which VRM you need to remove, see Figure 3-1 on page 52.Caution:

Backup Battery007-4276-001 633. CarefullyinserttheVRMintheconnectoronthebaseboard.Makesureyoudonotbend the connector pins.4. Push down firmly on both

viii 007-4276-001ContentsSpecificProblemsandCorrectiveActions...77PowerLightDoesNotLight...78NoBeepCodes...

64 007-4276-0013: Removing and Installing Baseboard ComponentsWarning: If the system has been running, any installed PCI add-in board on thebaseboard

Add-in Boards007-4276-001 653. Insert the tip of a small flat-head screwdriver or equivalent under the plastic tab onthe snap-on plastic retainer.4. G

66 007-4276-0013: Removing and Installing Baseboard ComponentsWarning: If the system has been running, any installed PCI add-in board on thebaseboard

Add-in Boards007-4276-001 67Warning: The on/off button on the front panel does not turn off the system ACpower. To remove power from the system, you m

68 007-4276-0013: Removing and Installing Baseboard ComponentsWarning: If the system has been running, any installed PCI add-in board on thebaseboard

Add-in Boards007-4276-001 691. Observe the safety and ESD precautions at the beginning of this chapter.2. Make sure that the slot is powered off. If t

70 007-4276-0013: Removing and Installing Baseboard ComponentsNote: At this time, the Linux operating system does not support use of the PCI hot-plug(

ICMB Card007-4276-001 71Establishing communication between servers using the ICMB card is a two-step process.First, install the ICMB card in each serv

72 007-4276-0013: Removing and Installing Baseboard ComponentsFigure 3-8 Example of an ICMB Card Attached to a Chassis4. Attach the internal cable to

ICMB Card007-4276-001 73Figure 3-10 External Cable Attached to the CardRemoving an ICMB CardTo remove an ICMB card, follow these steps:1. Disconnect t

Contents007-4276-001 ixBaseboardConnectors ...105PowerDistributionBoardInterfaceConnectors(J9B1,J9D1,J9B2)...107FrontPanelInter

007-4276-001 75Chapter 44. Solving ProblemsThis chapter helps you identify and solve problems that might occur while you are usingthe system.Resetting

76 007-4276-0014: Solving Problemsthat there are no conflicts (for example, two add-in boards sharing the sameinterrupt).• Are all DIMMs installed cor

After the System Has Been Running Correctly007-4276-001 77• If the problems persist, contact the software vendor's customer servicerepresentative

78 007-4276-0014: Solving Problems• No beep codes.• No characters appear on screen.• Characters on the screen appear distorted or incorrect.• System c

Specific Problems and Corrective Actions007-4276-001 79No Characters Appear on ScreenCheck the following:• Is the keyboard working? Check to see that

80 007-4276-0014: Solving ProblemsSystem Cooling Fans Do Not Rotate ProperlyIf the system cooling fans are not operating properly, system components c

Specific Problems and Corrective Actions007-4276-001 81Iftheproblempersists,theremaybeaproblemwiththediskettedrive,baseboard,ordrive signal cable. Con

82 007-4276-0014: Solving Problems• Verify that the baseboard jumpers are set correctly. See “Changing Jumper Settings”on page 133.• If other software

Error and Informational Messages007-4276-001 83Table 4-3 shows the recovery BIOS Port-80 codes.Table 4-3 Recovery BIOS Port-80 CodesCP Beeps Reasonxx