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9-16

SPARCstation 4/Xterminal 1 Service Manual • January 1995

2. Remove the cover and attach a wrist strap.

See Chapter 7.”

3. Unplug the CD-ROM SCSI cable from the system board.

See

FIGURE 9-17

.

FIGURE 9-17

System Board Cable Connections

4. Remove the CD-ROM drive.

See Section 9.2.1 “Removing the CD-ROM Drive.”

5. Free the CD-ROM SCSI cable from the metal cable clips on the chassis floor and

carefully remove the cable from the chassis.

See

FIGURE 9-17

.

9.4.2

Replacing the CD-ROM SCSI Cable

Visual markers placed on the internal cables will help you to properly route the
cables through the metal cable clips. The markers are either tie-wrap cords or
colored tape affixed to each cable. When properly installed, the two tie-wraps on
each cable should straddle the metal cable clip that is closest to the system board.
For the CD-ROM SCSI cable, the colored tape should be centered directly below that
same cable clip.

SCSI data connector

CD-ROM

Metal cable clips

SCSI cable

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Summary of Contents for SPARCstation 4

Page 1: ... Xterminal 1 Service Manual Part No 802 1529 10 Revision A January 1995 Sun Microsystems Computer Company A Sun Microsystems Inc Business 901 San Antonio Road Palo Alto CA 94303 4900 USA 650 960 1300 fax 650 969 9131 ...

Page 2: ...PARTICULAR PURPOSE OR NON INFRINGEMENT Copyright 1997 Sun Microsystems Inc 901 San Antonio Road Palo Alto Californie 94303 4900 U S A Tous droits réservés Ce produit ou document est protégé par un copyright et distribué avec des licences qui en restreignent l utilisation la copie et la décompilation Aucune partie de ce produit ou de sa documentation associée ne peut être reproduite sous aucune for...

Page 3: ...3 External Options 1 7 2 Troubleshooting Overview 2 1 2 1 Factory Defined Boot Mode 2 1 2 2 After Power Is Switched On 2 3 2 3 Diagnostic Tools and When to Use Them 2 7 2 4 Power On Self Test 2 7 2 5 FORTH Based PROM Diagnostics 2 8 2 6 FORTH Monitor 2 10 2 7 SunDiag System Exerciser 2 11 3 Power On Self Test POST 3 1 3 1 Power On Self Test POST 3 1 3 2 Normal Mode 3 4 3 3 Full Diagnostic Mode 3 4...

Page 4: ...4 2 2 System Board Test 4 5 4 3 Disk Drive Errors 4 5 4 3 1 Verifying the Built In SCSI Controller 4 6 4 4 Determining Faulty DSIMM Locations 4 7 5 Safety and Tools Requirements 5 1 5 1 Safety Requirements 5 1 5 2 Symbols 5 2 5 3 System Precautions 5 3 5 4 Tools Required 5 3 5 5 Electrostatic Discharge ESD Precautions 5 4 6 Power On and Off 6 1 6 1 Powering Off the System 6 1 6 1 1 When the System...

Page 5: ...9 1 9 1 Hard Disk Drive 9 1 9 1 1 Removing the Hard Disk Drive 9 2 9 1 2 Replacing the Hard Disk Drive 9 3 9 2 CD ROM Drive 9 4 9 2 1 Removing the CD ROM Drive 9 4 9 2 2 Replacing the CD ROM Drive 9 5 9 3 Diskette Drive 9 8 9 3 1 Removing the Diskette Drive 9 9 9 3 2 Replacing the Diskette Drive 9 11 9 4 CD ROM SCSI Cable 9 15 9 4 1 Removing the CD ROM SCSI Cable 9 15 9 4 2 Replacing the CD ROM SC...

Page 6: ... Component Replacement 11 1 11 1 SBus Card 11 1 11 1 1 Removing the SBus Card 11 2 11 1 2 Replacing the SBus Card 11 5 11 2 Audio Module 11 7 11 2 1 Removing the Audio Module 11 8 11 2 2 Replacing the Audio Module 11 12 11 3 DSIMMs 11 17 11 3 1 Removing the DSIMM 11 18 11 3 2 Replacing the DSIMM 11 20 11 4 VSIMM 11 21 11 4 1 Removing the VSIMM 11 21 11 4 2 Replacing the VSIMM 11 23 11 5 System Boa...

Page 7: ...e AUI Connector B 3 B 4 Twisted Pair Ethernet Connector B 4 B 5 Serial Connector Ports A and B SPARCstation 4 System Only B 4 B 6 Audio Module Ports Optional B 5 B 6 1 Headphone Connector B 6 B 6 2 Audio Line Out Connector B 6 B 6 3 Audio Line In Connector B 6 B 6 4 Microphone Connector B 7 B 6 5 Audio Specifications B 7 B 6 6 Keyboard Mouse Connector B 8 B 7 13W3 Video Connector B 9 C SCSI Target...

Page 8: ...tion 4 Xterminal 1 Service Manual January 1995 D 1 5 probe scsi probe scsi all D 6 D 1 6 module info D 7 D 1 7 test memory D 7 D 2 Returning to the Old Style Sunmon Compatibility Mode Prompt D 8 Glossary Glossary 1 ...

Page 9: ...Phase Settings and Tests 2 3 FIGURE 3 1 Arrangement of Sun Type 5 Keyboard Diagnostic LEDs 3 2 FIGURE 3 2 Sun Type 4 Keyboard 3 2 FIGURE 3 3 Sun Compact 1 Keyboard 3 3 FIGURE 3 4 SPARCstation System Banner 3 4 FIGURE 3 5 Location of System Power LED 3 9 FIGURE 4 1 Power Supply Connector 4 4 FIGURE 4 2 DSIMM Slot Locations SPARCstation 4 System 4 8 FIGURE 4 3 DSIMM Slot Locations SPARC Xterminal 1 ...

Page 10: ...ARCstation 4 CD ROM Drive 9 6 FIGURE 9 6 Replacing the CD ROM Drive 9 7 FIGURE 9 7 Diskette Drive Location 9 8 FIGURE 9 8 Removing the CD ROM Filler Panel 9 9 FIGURE 9 9 Disengaging the Diskette Drive 9 10 FIGURE 9 10 Removing the Diskette Drive 9 11 FIGURE 9 11 Diskette Drive Switch and Grommets 9 12 FIGURE 9 12 Setting the Diskette Drive Microswitch on the PCB to Position 0 9 12 FIGURE 9 13 Posi...

Page 11: ... SBus Card 11 3 FIGURE 11 4 Installing the SBus Card Extractor 11 4 FIGURE 11 5 Removing the SBus Card 11 4 FIGURE 11 6 Inserting the SBus Card 11 6 FIGURE 11 7 Securing the SBus Board 11 7 FIGURE 11 8 Audio Module Connector Location 11 8 FIGURE 11 9 Removing the Audio Cable From the Audio Module 11 9 FIGURE 11 10 Unlocking the Audio Module 11 10 FIGURE 11 11 Removing the Audio Module 11 11 FIGURE...

Page 12: ...e Screws 11 29 FIGURE 11 32 Setting the Serial Port Jumpers 11 31 FIGURE 11 33 Locating the NVRAM Chip 11 32 FIGURE 12 1 Selected CRUs System Unit 12 2 FIGURE 12 2 Standard External Cables 12 3 FIGURE 12 3 Optional External Cable 12 3 FIGURE 12 4 Microphone and Cable SPARCstation 4 System Only 12 4 FIGURE B 1 External SCSI Connector SPARCstation 4 System Only B 1 FIGURE B 2 Parallel Port Connector...

Page 13: ...Figures xiii FIGURE B 11 Keyboard Mouse Connector B 8 FIGURE B 12 13W3 Video Connector B 9 ...

Page 14: ...xiv SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 15: ...BLE 3 1 Interpreting the Keyboard Diagnostic LEDs 3 3 TABLE 3 2 List of Full Diagnostic Mode Tests 3 6 TABLE 4 1 Troubleshooting Tips 4 1 TABLE 4 2 Power Supply Connector Pin Assignments 4 4 TABLE 4 3 Troubleshooting Disk Drive Errors 4 6 TABLE 4 4 Physical Memory Address Ranges for SPARCstation 4 System 4 8 TABLE 4 5 Physical Memory Address Ranges for SPARC Xterminal 1 System 4 9 TABLE 5 1 Safety...

Page 16: ...rnal SCSI Connector B 1 TABLE B 2 Pinout for Parallel Port Connector B 2 TABLE B 3 Pinout for Attachment Unit Interface AUI Connector B 3 TABLE B 4 Pinout for Twisted Pair Ethernet Connector B 4 TABLE B 5 Pinout for Combined Serial Connector Ports A and B B 4 TABLE B 6 Signals for the Audio Module Ports B 5 TABLE B 7 Audio Module Inputs and Outputs B 7 TABLE B 8 Internal Monaural Speaker Specifica...

Page 17: ... 2 Troubleshooting provides a troubleshooting overview describes how to run and troubleshoot errors displayed during the Power On Self Test POST and presents symptoms and corrective actions Part 3 Preparing for Service explains safety requirements symbols used in this book tools required and how to shut down power off and power on the system Part 4 Subassembly Removal and Replacement describes how...

Page 18: ...ng system documentation What Typographic Changes Mean The following table describes the typographic changes used in this book TABLE P 1 Typographic Conventions Typeface or Symbol Meaning Example AaBbCc123 The names of commands files and directories on screen computer output Edit your login file Use ls a to list all files machine_name You have mail AaBbCc123 What you type contrasted with on screen ...

Page 19: ...the default system prompt and superuser prompt for the C shell Bourne shell and Korn shell TABLE P 2 Shell Prompts Shell Prompt C shell prompt machine_name C shell superuser prompt machine_name Bourne shell and Korn shell prompt Bourne shell and Korn shell superuser prompt ...

Page 20: ...xx SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 21: ...tions on page 7 1 1 Standard Features The SPARCstation 4 system accommodates the following storage devices 545 Mbyte single connector hard disk drive 1 05 Gbyte single connector hard disk drive Diskette drive Internal CD ROM drive It also accommodates up to 160 Mbytes of memory using dynamic single in line memory modules DSIMMs Available internal options include an Audio Module and a 1 Mbyte video...

Page 22: ...rds and components System board DSIMMs up to 5 One VSIMM Audio Module card One SBus card One hard disk drive 3 5 inch 88 0 mm single connector CD ROM drive Diskette drive 3 5 inch Power supply 50 or 150 watt with 2 fans The SPARC Xterminal 1 system unit accommodates the following subassemblies boards and components System board DSIMMs up to 4 One VSIMM One SBus card Power supply 50 watt with 2 fan...

Page 23: ... views of the major subassemblies and the system board for SPARCstation 4 and SPARC Xterminal 1 systems respectively FIGURE 1 2 Interior View of SPARCstation 4 System CD ROM drive Diskette drive Hard drive Power SBus slot DSIMMs PROM NVRAM top unit bottom unit supply Audio Module VSIMM connector ...

Page 24: ...anuary 1995 FIGURE 1 3 Interior View of SPARC Xterminal 1 System 1 1 3 Rear Panel Views The rear views of SPARCstation 4 and SPARC Xterminal 1 systems are shown in FIGURE 1 4 and FIGURE 1 5 respectively Power SBus slot DSIMMs supply VSIMM PROM NVRAM ...

Page 25: ...one 5 Audio line out 6 SBus Audio ports are part of the optional Audio Module card 7 Audio line in 8 Audio microphone 9 Parallel 10 AC power receptacle 11 Keyboard 12 Serial ports A B 13 Video 14 Twisted pair Ethernet 15 AUI Ethernet 16 SCSI SERIAL A B TP 2 3 4 1 7 8 9 10 6 5 Legend 1 AC On Standby switch 2 AC power outlet 3 Lock block 4 SBus video Optional 5 Parallel 6 AC power receptacle 7 Keybo...

Page 26: ...ve 1 System supports one disk drive mounted on the system board See Chapter 9 for more information CD ROM drive 1 Internal CD ROM drive Diskette drive 1 Internal diskette drive for diskette I O DSIMMs Up to 5 System supports up to 160 Mbytes of memory VSIMM 1 System board provides an expansion slot for a 1 Mbyte VSIMM for high resolution graphics 1280 X 1024 TABLE 1 2 Internal Options SPARC Xtermi...

Page 27: ...act CD ROM drive Desktop Storage Module 1 3 Gbyte disk drive or 5 0 Gbyte tape drive SCSI Expansion Pedestal Up to seven SCSI disks compact CD ROM drive tape drive other non disk units Multi Disk Pack Desktop enclosure containing a disk array of SCSI disk drives 20 Gbyte 4 mm Desktop Tape Auto Loader Desktop enclosure containing a tape drive with multiple magazine cartridges provides up to 20 Gbyt...

Page 28: ...1 8 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 29: ...the various diagnostics during a factory defined boot operation under the control of the OpenBoot PROM OBP firmware The following sections describe the relationship between the various diagnostic tools and the role each tool plays during the system s factory defined boot sequence The descriptions in the following sections assume you are using a graphics monitor to view test results FIGURE 2 1 POST...

Page 30: ...indow display Power on switch Keyboard attached Display errors only on keyboard LEDs No Yes ttya and console Yes No Stop d keys Yes Skip POST No true false default No POST Phase Yes Set pressed diag switch to true OpenBoot PROM firmware takes control Stop pressed key Low level POST Phase diag switch true POST passed false ttya View via diag switch Diagnostic ...

Page 31: ...banner displayed on screen true Yes Tests all memory false true true true false false Booting from diag device netBooting from boot dev disk Normal operating system SunDiag System Exerciser Press Stop a to go to ok prompt ok prompt Boot boot device On board boot file diagnostics false OpenBoot PROM firmware takes control false System initialization Stop a keys pressed diag switch No mfg switch aut...

Page 32: ...orms the following initialization sequence Initialize system Probe memory then CPU Evaluate Script if use nvramrc is set to true Probe SBus devices and interpret their drivers Install the console see FIGURE 2 2 After initialization a system banner appears on the screen and the high level testing begins When the high level tests are finished the system checks parameters stored in the NVRAM to deter...

Page 33: ...rently set to false The minimum is zero the maximum is the amount actually installed in the system The default is a 1 megabyte test diag switch Default false When set to true this parameter forces the system to test automatically all available memory It also enables diagnostic message output to serial port A If a properly configured terminal or tip window is connected diagnostic progress can be mo...

Page 34: ...s warranted Refer to Section 2 7 SunDiag System Exerciser for additional information To boot user specified programs you must be at the prompt or ok prompt See Appendix D for a detailed procedure on how to access the or the ok prompt TABLE 2 2 Summary of Autoboot and Diagnostic Switch Parameter1 Settings 1 The boot parameters represented here are default settings The defaults may be changed by fol...

Page 35: ...ts functions such as the Ethernet and SCSI interfaces system memory and the diskette drive controller You must be at the ok prompt the FORTH Monitor to run the FORTH Diagnostics The FORTH Diagnostics reside in the boot PROM FORTH Monitor Allows input to the system at the boot PROM level Supports functions such as changing NVRAM parameters resetting the system running diagnostic tests displaying sy...

Page 36: ...tic on the CD ROM drive The CD ROM must be set to SCSI target 6 and have a CD inserted in the drive or the test will fail See description Does not apply to the SPARC Xterminal 1 system test net aui Performs an internal and an external loopback test on the AUI Thick Ethernet interface A cable must be connected to the system AUI Ethernet port and to an Ethernet tap or the test will fail the external...

Page 37: ...Tests serial ports test keyboard Executes the keyboard self test The four LEDs on the keyboard should flash on once and the message Keyboard Present is displayed Keyboard must be connected See description test memory Tests all of the system main memory if the diag switch is true If diag switch is set to false it tests the memory according to the number specified in selftest megs None See descripti...

Page 38: ...l and external and their SCSI targets connected to the built in SCSI port Connect external SCSI devices to the system and turn on their power These tests do not apply to the SPARC Xterminal 1 system To determine if a SCSI peripheral is talking to the system To determine the SCSI targets addresses of a SCSI device To determine if more than one SCSI peripheral is assigned the same SCSI address To de...

Page 39: ...o determine real time use of system resources and peripheral equipment such as Desktop Storage Modules and External Storage Modules The SunDiag System Exerciser verifies that the system is functioning properly For information about how to use the SunDiag System Exerciser see the SunDiag User s Guide If SunDiag passes the system is operating properly If SunDiag fails the error messages should indic...

Page 40: ...2 12 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 41: ...re two POST modes Normal and Diagnostic 3 1 Power On Self Test POST The Power On Self Test POST runs when you turn on the system unit power switch and any of the following conditions apply diag switch NVRAM parameter is set to true Stop d keys are held down when you turn on the power Keyboard is disconnected and diag switch is set to false The POST comprises a sequence of tests designed to evaluat...

Page 42: ... 3 1 FIGURE 3 2 and FIGURE 3 3 To indicate the beginning of the POSTs the four LEDs briefly light all at once The monitor screen remains blank and the Caps Lock LED blinks for the duration of the POST FIGURE 3 1 Arrangement of Sun Type 5 Keyboard Diagnostic LEDs FIGURE 3 2 Sun Type 4 Keyboard Scroll Lock LED Num Lock LED Caps Lock LED UNIX keyboard Caps Lock LED U S keyboard Compose LED Caps Lock ...

Page 43: ... applies only to systems with a Sun Type 4 Type 5 or Compact 1 keyboard connected to its keyboard port The LED diagnostics do not apply if a different Sun supported keyboard is connected to the keyboard port or if a terminal and its keyboard are used as a main console instead of a monitor and a Type 4 Type 5 or Compact 1 keyboard TABLE 3 1 Interpreting the Keyboard Diagnostic LEDs Diagnostic LED F...

Page 44: ...ut the NVRAM parameters see TABLE 2 1 Test failure messages are displayed on the system monitor or console whether or not the system is in Diagnostic Mode However it may be easier to understand the failure message output when it is accompanied by more detailed POST progress messages available via the ttya serial port 3 2 Normal Mode Under Normal Mode when the system is turned on control is sent to...

Page 45: ...you set the diag switch NVRAM parameter to false in the OpenBoot PROM This Power On Self Test is silent no progressive test messages are printed out If an error or errors occur during the abbreviated Power On Self Test all error messages are displayed on the TTY or tip window 3 4 1 Setting Up a tip Connection to Another System You can use the serial port on your system to connect to another Sun wo...

Page 46: ...POST and want to disconnect the tip window either type tilde period in the tip window or type kill 9 and the process ID number of the tip hardwire process 3 5 Tests the POST Runs Following is a sample listing of the Full Diagnostic Mode tests completed by the POST hardwire dv dev ttya br 9600 el C S Q U D ie oe D hostname tip hardwire connected hostname or hostname kill 9 PID of tip hardwire proce...

Page 47: ...NTA Test I Cache TAG NTA Test Memory Address Pattern Test FPU Register File Test FPU Misaligned Reg Pair Test FPU Single precision Tests FPU Double precision Tests FPU SP Invalid CEXC Test FPU SP Overflow CEXC Test FPU SP Divide by 0 CEXC Test FPU SP Inexact CEXC Test FPU SP Trap Priority Test FPU SP Trap Priority Test FPU DP Invalid CEXC Test FPU DP Overflow CEXC Test FPU DP Divide by 0 CEXC Test...

Page 48: ...OST to troubleshoot the system PROC0 Interrupt Regs Tests Soft Interrupts OFF Test Soft Interrupts ON Test PROC0 User Timer Test PROC0 Counter Timer Test DMA2 E_CSR Register Test LANCE Address Port Tests LANCE Data Port Tests DMA2 D_CSR Register Test DMA2 D_ADDR Register Test DMA2 D_BCNT Register Test DMA2 D_NADDR Register Test ESP Registers Tests DMA2 P_CSR Register Test DMA2 P_ADDR Register Test...

Page 49: ...c LED pattern See FIGURE 3 1 through FIGURE 3 3 and TABLE 3 1 During normal system operation the LEDs should not be interpreted as diagnostic error indicators Following the system initialization the operating system boots automatically unless the NVRAM configuration options specify not to do so Note The Caps Lock key LED on some U S keyboards located just above the left hand Shift key is not used ...

Page 50: ...3 10 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 51: ... the LED cable is connected the power supply may be defective Replace the power supply See Chapter 8 Disk drive fails to boot or does not respond Applies only to the SPARCstation 4 system Shut down the system Verify the following NVRAM parameters diag switch false auto boot true and boot dev disk see TABLE 2 1 on page 2 5 The SCSI controller may be defective See Section 4 3 1 Verifying the Built I...

Page 52: ...vices are fast SCSI devices you can install an FSBE S SBus card to the fast SCSI devices to speed up performance Read write or parity error reported by the operating system or applications Applies only to the SPARCstation 4 system or to the X Server for a SPARC Xterminal 1 Verify that the cable connections to the disk drive are fully seated Replace the disk drive indicated by the failure message S...

Page 53: ...if the rear switch fails to turn on the system If you hear no tone or see no lights on the keyboard the system s power supply may be defective See Section 4 2 1 Power Supply Test If you hear a tone and see lights on the keyboard but the system still fails to initialize see Section 4 2 2 System Board Test 4 2 1 Power Supply Test 1 Use a VOM volt ohmmeter to check the power supply output voltages Pl...

Page 54: ...ption 1 Blue 12V 10 Black Ground 2 Brown 12V 11 Black Ground 3 Red 5V 12 Black Ground2 4 Red 5V 13 Black Ground2 5 Red 5V2 2 SPARCstation 4 and SPARC Xterminal 1 power supplies have no connections to pins 5 6 12 13 and 16 The SPARCserver 4 power supply has connections to all pins 14 Black Ground 6 Red 5V2 15 Black Ground 7 Red 5V 16 Green AC Outlet2 8 Red 5V 17 Purple Fan 9 Grey Power off 18 Yello...

Page 55: ...to flash on and off after you have pressed and held the Stop d keys POST failed b To further troubleshoot the system board see Section 4 2 2 1 Caps Lock Key Fails to Flash On and Off During POST 3 Observe the keyboard LEDs If a failure occurs during POST an LED may light up See TABLE 3 1 on page 3 3 to interpret the keyboard diagnostic LEDs 4 Replace the defective part indicated 4 2 2 1 Caps Lock ...

Page 56: ...e the disk drive indicated by the failure message Solaris 1 x operating systems identify the internal disk drive SCSI target ID 3 as sd0 With Solaris 2 x operating systems the drive is identified as c0t3d0 Drive fails to boot or does not respond to commands SCSI controller may be defective See Section 4 3 1 Verifying the Built In SCSI Controller Verify that each SCSI device is assigned a unique SC...

Page 57: ...ng program execution For general information about diagnostics see Chapter 2 Troubleshooting Overview Memory error messages on the video monitor usually indicate a physical memory address where the error was detected Depending on the diagnostic program you are running a DSIMM location number J number or a memory address may be displayed If the error message displays the location number see FIGURE ...

Page 58: ...2 megabytes in size Slot 0 must have a DSIMM present If different capacity DSIMMs are mixed in a system slot 0 must contain the highest capacity DSIMM Slot SIMM Physical Memory Address Ranges 0 J0301 0000 0000 through 01FF FFFF 1 J0302 0200 0000 through 03FF FFFF 2 J0303 0400 0000 through 05FF FFFF 3 J0304 0600 0000 through 07FF FFFF 4 J0305 0800 0000 through 09FF FFFF SIMM slot J0302 SIMM slot J0...

Page 59: ...l 1 System1 1 Each memory slot can contain one DSIMM up to 32 megabytes in size Slot 0 must have a DSIMM present If different capacity DSIMMs are mixed in a system slot 0 must contain the highest capacity DSIMM Slot SIMM Physical Memory Address Ranges 0 J0301 0000 0000 through 01FF FFFF 1 J0302 0200 0000 through 03FF FFFF 2 J0303 0400 0000 through 05FF FFFF 3 J0304 0600 0000 through 07FF FFFF ...

Page 60: ...4 10 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 61: ... page 1 Symbols on page 2 System Precautions on page 3 Tools Required on page 3 Electrostatic Discharge ESD Precautions on page 4 5 1 Safety Requirements For your protection observe the following safety requirements Follow all cautions warnings and instructions marked on the equipment Ensure that the voltage and frequency rating of the power outlet matches the electrical rating labels on the syste...

Page 62: ...andling printed circuit boards drives or other components such as DSIMMs ESD mat ESD An approved antistatic mat provides protection from static damage when used with a wrist strap The mat also cushions and protects small parts that are attached to printed circuit boards Chapter 12 lists the part number of the mat Printed circuit boards ESD Handle a printed circuit board by the edges only Store a b...

Page 63: ...tions Individuals who service this equipment must observe all safety precautions and ensure compliance with skill level requirements certification and all applicable local and national laws Procedures contained in this document must be performed by trained maintenance providers Only people who have been trained at the Sun Microsystems training facilities or at Sun Microsystems affiliates and have ...

Page 64: ...em board SBus cards DSIMMs or system components only by the edges When removing a board card or module from an antistatic bag lay it on an antistatic surface such as a Sun ESD mat an antistatic bag or a disposable antistatic mat Do not place the boards cards or modules on an unprotected surface Use a cushioned antistatic mat or antistatic bag Connectors and components have very thin pins that bend...

Page 65: ...e next sections Caution When the operating system or any other standalone program has already booted do not use the Stop a keys to halt the system Using the Stop a keys to abort program execution can damage data files 6 1 1 When the System Is Working Normally To halt your system when it is working normally 1 Save all your work Consult your software documentation for instructions on ending a work s...

Page 66: ...in the proper sequence 4 When the ok prompt appears turn off the power to the system components in this order 1 System unit 2 Monitor 3 External drive units if you have any 6 1 2 When the System Does Not Respond Normally To halt a system that is hung or frozen and unresponsive to commands 1 If your system is on a network wait a few minutes before proceeding Your system s slow response may be due t...

Page 67: ...n supplied with your operating system for instructions on how to halt it a For Solaris 2 x SunOS 5 x systems type b For Solaris 1 x SunOS 4 x systems type The operating system warns other users of your system of the impending shutdown and then halts itself after a one minute delay If you wish to provide a longer delay see the man page for shutdown 1 The system responds with system halt messages fo...

Page 68: ...e risk of electrical shock always plug the power cord into a properly grounded power outlet Caution Always allow 10 seconds between turning off the power and turning it back on again This pause prevents possible damage to power supply components in your system unit To turn on power to the system 1 If your system uses external drive units turn on the power to these units first starting with the uni...

Page 69: ...to the main logic board to complete the ground Caution The surface of the microSPARC II chip may be hot and could cause personal injury if touched Avoid contacting this component Caution Before opening the system unit make sure that the system power is in the Standby mode The LED on the front of the system unit should not be lit and the fans should not be running When the system power switch is in...

Page 70: ... the captive Phillips head screw in the upper right corner of the rear panel see FIGURE 7 1 3 Unscrew the Phillips head screw that secures the lock block to the cover Remove the lock block and put it aside see FIGURE 7 1 FIGURE 7 1 Removing the Rear Panel Cover Screws 4 Lift the cover free of the chassis See FIGURE 7 2 ...

Page 71: ...rist Strap Caution When you are finished servicing parts inside the system unit be sure to close the system unit before turning on the power It is not safe to operate the system unit while it is open 7 2 Attaching the Wrist Strap 1 Unwrap the first two folds of the wrist strap and wrap the adhesive side securely around your wrist See FIGURE 7 3 SPARCstation 4 System Shown ...

Page 72: ... that the strap makes good contact with the metal casing of the power supply avoid the labels on top of the supply See FIGURE 7 3 7 3 Replacing the Cover 1 Remove the wrist strap from your wrist and then from the power supply 2 Align the cover hinge tabs with the tab slots on the bottom front of the system chassis Carefully lower the cover making sure that the hinge hooks remain inside their respe...

Page 73: ... panel Tighten the Phillips head screw that secures the lock block to the cover See FIGURE 7 5 4 Tighten the captive Phillips head screw in the upper right corner of the rear panel See FIGURE 7 5 Guide cover hinge hooks into corresponding slots at front of system chassis SPARCstation 4 System Shown ...

Page 74: ...7 6 SPARCstation 4 Xterminal 1 Service Manual January 1995 Caution Do not use a power driver to tighten captive screws Do not overtighten captive screws FIGURE 7 5 Securing the System Unit Cover ...

Page 75: ... service the power supply under these conditions Disconnect the AC power cord prior to handling the power supply When servicing any other system component the AC power cord should remain connected it poses no safety hazard SPARC Xterminal 1 and SPARCstation 4 systems have a 50 watt power supply with an unswitched AC accessory outlet SPARCserver 4 systems have a 150 watt power supply with a switche...

Page 76: ... 3 Remove the cover See Section 7 1 Removing the Cover 4 Attach a wrist strap and secure it to the upper flat edge of the rear panel See FIGURE 8 1 Note The wrist strap is usually grounded to the power supply When removing or replacing the power supply attach the wrist strap to the upper flat edge of the rear panel to ground the system 5 On the rear panel loosen the captive screw securing the powe...

Page 77: ...chassis mounts See FIGURE 8 1 8 Lift the power supply out of the chassis and disconnect the DC power harness from the keyed connector on the rear of the power supply See FIGURE 8 1 8 1 2 Replacing the Power Supply 1 Attach a wrist strap and secure it to the rear panel See FIGURE 8 1 DC power connector Power supply Captive screw Power supply rear view DC power harness Power supply connector SPARCst...

Page 78: ...ly into the chassis at an angle so that the DC power connector fits under the peripheral bracket 4 Slide the power supply toward the rear of the chassis until it locks in the power supply mounts 5 Tighten the captive screw to secure the power supply to the rear of the chassis See FIGURE 8 1 Caution Do not use a power driver to tighten a captive screw Do not overtighten a captive screw 6 Plug the p...

Page 79: ...4 Remove the CD ROM SCSI cable and the DC power harness from the metal cable clips See FIGURE 8 3 5 Unplug the speaker LED cable from the system board See FIGURE 8 3 Caution Ensure that the speaker LED cable is disconnected from the system board first Failure to disconnect the speaker LED cable before disconnecting the speaker can result in permanent damage to your system 6 Disconnect the speaker ...

Page 80: ...em chassis 8 2 2 Replacing the Speaker LED Cable 1 Position the replacement speaker LED cable so that the power LED contacts the LED light pipe Then press the cable between the LED tabs to secure it in place See FIGURE 8 4 Power LED Speaker LED cable connector CD ROM SCSI cable Metal cable clips DC power harness Card guide cable clips SPARCstation 4 System Shown ...

Page 81: ...rs 4 Route the speaker LED cable under the card guide cable clips See FIGURE 8 3 5 Reconnect the speaker LED cable to its connector on the system board See FIGURE 8 3 6 Thread the CD ROM SCSI cable and the DC power harness inside the metal cable clips See FIGURE 8 3 7 Reinstall the CD ROM drive See Section 9 2 2 Replacing the CD ROM Drive 8 Detach the wrist strap and replace the cover See Chapter ...

Page 82: ...r off the system See Section 6 1 Powering Off the System 2 Remove the cover and attach a wrist strap See Chapter 7 3 Locate the two rectangular slots on the underside of the chassis directly beneath the speaker cover See FIGURE 8 4 4 Insert the tip of a small flat blade screwdriver into the slot that is furthest from the corner of the chassis See FIGURE 8 4 5 Use the screwdriver to push on the tab...

Page 83: ...ng the speaker to avoid damaging the speaker surface Do not touch the diaphragm with tools or your fingers Grasp the speaker by the metal edges only 8 Use a Phillips head screwdriver to remove the two screws that secure the speaker to the system chassis Save the screws for installing the replacement speaker See FIGURE 8 6 Insert small flat blade screwdriver into slots on underside of chassis Push ...

Page 84: ... Ensure that the speaker LED cable is disconnected from the system board first Failure to disconnect the speaker LED cable before disconnecting the speaker can result in permanent damage to your system 10 Hold the speaker in one hand and disconnect the two fast on connectors from the speaker terminals on the back of the speaker See FIGURE 8 7 11 Set the speaker aside ...

Page 85: ...the chassis wall 2 Unpack the replacement speaker 3 Slide the fast on connectors at the end of the speaker LED cable onto the terminals of the replacement speaker See FIGURE 8 7 Note One connector and terminal pair is larger than the other They are sized differently to ensure proper connection 4 Install the speaker in the opening on the left front of the system chassis and secure it with the two s...

Page 86: ...ker cover Firmly press all three tab areas to ensure that the tabs snap securely into the chassis slots 6 Reconnect the speaker LED cable to the system board See FIGURE 8 3 7 Detach the wrist strap and replace the cover See Chapter 7 8 Power on the system See Section 6 2 Powering On the System ...

Page 87: ...ion 4 system it does not apply to a SPARC Xterminal 1 system 9 1 Hard Disk Drive The SPARCstation 4 system accommodates one internal 545 Mbyte or 1 05 Gbyte hard disk drive mounted in the on board disk drive bracket A specially designed handle fastened to the drive speeds drive removal and installation Both types of drive connect via a SCSI ribbon cable to a SCSI data connector on the system board...

Page 88: ...cated at the end of the drive Press the plastic latch to release the drive handle 4 Lift the drive handle to its vertical position When lifted the drive handle acts as a lever to disengage the drive Disconnect the disk drive SCSI cable from the connector at the rear of the drive 5 Grasp the drive bracket handle and lift the drive straight up and out of the chassis Place the drive on an antistatic ...

Page 89: ...e latch near the rear of the drive and lift the handle to the vertical position 3 Grasp the drive bracket handle with one hand with your other hand hold the drive steady Maintain the drive in a horizontal position and lower it into the chassis 4 Connect the disk drive SCSI cable to the rear of the drive and to the system board disk drive connector 5 Push the drive bracket handle down toward the en...

Page 90: ...on remove the drive and try again FIGURE 9 3 Replacing the Disk Drive 6 Detach the wrist strap and replace the cover See Chapter 7 7 Power on the system See Section 6 2 Powering On the System 9 2 CD ROM Drive 9 2 1 Removing the CD ROM Drive 1 Shut down and power off the system See Section 6 1 Powering Off the System Peripheral bracket side rails ...

Page 91: ... CD ROM drive toward the edge of the chassis to disengage it See FIGURE 9 4 5 Lift the drive out of the chassis and place it on an antistatic surface FIGURE 9 4 Removing the CD ROM Drive 9 2 2 Replacing the CD ROM Drive 1 Remove the replacement CD ROM drive from its antistatic bag Note All necessary brackets and grommets are installed on the CD ROM drive when it is shipped to you DC power cable CD...

Page 92: ...mper Settings for SPARCstation 4 CD ROM Drive 3 Install the drive as shown in FIGURE 9 6 The CD ROM drive sits on the shelf above the diskette drive Push the drive toward the center of the unit so that the grommets lock into place 4 Attach the CD ROM SCSI cable the DC power and the audio cable if present to the drive See FIGURE 9 6 4 2 1 ID select Parity Prevent Allow Test Term power DC input SCSI...

Page 93: ... FIGURE 9 6 Replacing the CD ROM Drive 5 Detach the wrist strap and replace the cover See Chapter 7 6 Power on the system See Section 6 2 Powering On the System DC power SCSI data Audio cable option Audio Module option cable cable ...

Page 94: ...te drive is not a SCSI device The other drives in your system are SCSI devices such as the CD ROM drive and the hard disk drives The diskette drive connects to an 8 bit internal bus in the SPARCstation 4 system FIGURE 9 7 Diskette Drive Location TABLE 9 1 Do tasks in the listed order Remove the CD ROM drive if necessary page 4 Remove the diskette drive page 9 Set the diskette drive switch to Posit...

Page 95: ...ff the System 2 Remove the cover and attach a wrist strap See Chapter 7 3 Remove the CD ROM drive if installed If the CD ROM drive is not installed remove the CD ROM filler panel as shown in FIGURE 9 8 If you need to remove the CD ROM drive see Section 9 2 1 Removing the CD ROM Drive FIGURE 9 8 Removing the CD ROM Filler Panel ...

Page 96: ...y need to use a screwdriver for leverage Use the screwdriver to push on the drive grommets as shown in FIGURE 9 9 Do not push on the drive s front bezel FIGURE 9 9 Disengaging the Diskette Drive 5 Disconnect the diskette drive data and DC power cables from the diskette drive See FIGURE 9 10 6 Lift the diskette drive out of the drive bracket ...

Page 97: ...d screws that you removed from the defective diskette drive and install them on the replacement drive Install the grommets in the lower set of holes as shown in FIGURE 9 11 2 Set the diskette drive switch Follow either Step 2 a or Step 2 b a If the diskette drive has a switch on the side of the drive set the diskette drive switch to Position 0 all the way to the rear right See FIGURE 9 11 DC Power...

Page 98: ...he microswitch to Position 0 as shown in FIGURE 9 12 FIGURE 9 12 Setting the Diskette Drive Microswitch on the PCB to Position 0 3 Move the CD ROM SCSI and DC power cables away from the diskette drive opening 4 To clear the diskette drive bay lift up the diskette data cable and the two wire diskette drive power cable P3 Grommets Set switch to Position 0 all the way to the right present on some mod...

Page 99: ... fully seated in the diskette drive mounts The diskette drive data cable must be between the side of the diskette drive and the metal drive bracket See FIGURE 9 14 Note Push on the rear edge of the diskette drive chassis only Do not push on exposed motors or connectors Diskette drive power cable P3 Diskette data cable CD ROM drive power cable CD ROM SCSI cable ...

Page 100: ...le is keyed to install one way only FIGURE 9 15 Diskette Drive Power Cable P3 Connector 7 Connect the keyed diskette cable to the connector on the back of the diskette drive Route the diskette cable over the side and the top of the drive to the connector at the back When installed the cable bends at a 90 degree angle on top of the installed drive See FIGURE 9 16 Diskette data cable Diskette drive ...

Page 101: ...el shown in FIGURE 9 8 If you need to reinstall the CD ROM drive see Section 9 2 2 Replacing the CD ROM Drive 9 Detach the wrist strap and replace the cover See Chapter 7 10 Power on the system See Section 6 2 Powering On the System 9 4 CD ROM SCSI Cable 9 4 1 Removing the CD ROM SCSI Cable 1 Shut down and power off the system See Section 6 1 Powering Off the System Diskette drive data cable ...

Page 102: ...and carefully remove the cable from the chassis See FIGURE 9 17 9 4 2 Replacing the CD ROM SCSI Cable Visual markers placed on the internal cables will help you to properly route the cables through the metal cable clips The markers are either tie wrap cords or colored tape affixed to each cable When properly installed the two tie wraps on each cable should straddle the metal cable clip that is clo...

Page 103: ...nal Cable Routing 3 Reinstall the CD ROM drive See Section 9 2 2 Replacing the CD ROM Drive 4 Connect the SCSI cable to the CD ROM drive 5 Reconnect the SCSI cable to the system board See FIGURE 9 18 6 Detach the wrist strap and replace the cover See Chapter 7 7 Power on the system See Section 6 2 Powering On the System Speaker LED Diskette data connector SCSI data connector Speaker LED cable SCSI...

Page 104: ... Section 8 1 1 Removing the Power Supply 7 Disconnect the DC power harness from the power supply and carefully remove the harness from the system chassis 9 5 2 Replacing the DC Power Harness Visual markers placed on the internal cables will help you to properly route the cables through the metal cable clips The markers are either tie wrap cords or colored tape affixed to each cable When properly i...

Page 105: ...d replace the cover See Chapter 7 8 Power on the system See Section 6 2 Powering On the System 9 6 Diskette Data Cable 9 6 1 Removing the Diskette Data Cable 1 Shut down and power off the system See Section 6 1 Powering Off the System 2 Remove the cover and attach a wrist strap See Chapter 7 3 Remove the CD ROM drive if present See Section 9 2 1 Removing the CD ROM Drive 4 Carefully note how the d...

Page 106: ... See FIGURE 9 13 2 Connect the diskette data cable to its connector on the system board See Section 9 3 2 Replacing the Diskette Drive 3 Install the diskette drive Start at Step 1 on page 12 in Section 9 3 2 Replacing the Diskette Drive 4 Connect the two wire power and the new diskette cable to the rear of the diskette drive 5 Install the CD ROM drive if necessary See Section 9 2 2 Replacing the C...

Page 107: ...resent See Section 11 1 1 Removing the SBus Card 4 Unplug the CD ROM audio cable from the back of the CD ROM drive FIGURE 9 20 CD ROM Drive Rear Panel Connectors 5 Free the audio cable from the slot on the side of the Audio Module and from under the retaining hooks on the board guide See FIGURE 9 21 6 Disconnect the audio cable from the connector on the Audio Module Gently pull the audio cable fro...

Page 108: ... January 1995 FIGURE 9 21 Removing the Audio Cable From the Audio Module 7 From the system board disconnect the power supply cable the SCSI cable and the diskette drive cable if present Cable slot Retaining hooks Metal shield Audio cable connector ...

Page 109: ...he metal shield and connect it to its matching Audio Module connector The connectors are keyed to install in one way only See FIGURE 9 23 2 Secure the audio cable in the retaining hooks on the card guide Center the taped part of the cable between the retaining hooks 3 Press the audio cable into the slot on the side of the Audio Module Power supply connector Diskette drive connector SCSI connector ...

Page 110: ...rvice Manual January 1995 FIGURE 9 23 Pressing the Audio Cable Into the Cable Slot 4 Feed the Audio Module cable around the corner post of the card guide Cable slot Retaining hooks Taped cable section Audio cable connector Metal shield ...

Page 111: ...Chapter 9 Storage Devices 9 25 FIGURE 9 24 Routing the Audio Cable Around the Corner Post 5 If you have a CD ROM drive go to Step 1 Otherwise secure the audio cable under the card guide Corner post ...

Page 112: ... If you have a CD ROM drive connect the audio cable to the CD ROM drive Audio Out connector FIGURE 9 26 CD ROM Drive Rear Panel Connectors 7 Reconnect the diskette drive SCSI and power supply cables to the main logic board Card guide tab Secure cable beneath the guide tab CD ROM Audio Out connector ...

Page 113: ...ors 8 If you removed an SBus card earlier replace it now See Section 11 1 2 Replacing the SBus Card 9 Detach the wrist strap and replace the cover See Chapter 7 10 Power on the system See Section 6 2 Powering On the System Power supply connector Diskette drive connector SCSI connector ...

Page 114: ...9 28 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 115: ...eable System Board Components on page 3 10 1 Damage Prevention Caution Use an antistatic mat when working with the system board An antistatic mat contains the amount of cushioning needed to protect the underside components to prevent board flexing and to provide antistatic protection Part numbers for antistatic mats from Sun Microsystems are listed in Chapter 12 10 2 Handling System Boards and Ass...

Page 116: ...Do not place the system board SBus cards DSIMMs or chips on a hard surface Use a cushioned antistatic mat See Chapter 12 Transport the board in an antistatic bag Protect yourself and the equipment by observing the safety precautions described in Chapter 5 10 3 System Board Layouts FIGURE 10 1 shows the major components on the SPARCstation 4 system board FIGURE 10 1 SPARCstation 4 System Board SBus...

Page 117: ... following are the system board replaceable components for a SPARCstation 4 system DSIMMs VSIMM Audio Module SBus card NVRAM System board The following are the system board replaceable components for a SPARC Xterminal 1 system DSIMMs VSIMM SBus card NVRAM System board Chapter 11 describes how to remove and replace these components SBus slot DSIMMs PROM NVRAM Speaker LED connector Power connector V...

Page 118: ...10 4 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 119: ...configure the system board and its replaceable parts SBus Card on page 1 Audio Module on page 7 DSIMMs on page 17 VSIMM on page 21 System Board on page 25 NVRAM on page 32 11 1 SBus Card The system board has a single slot for an SBus card see FIGURE 11 1 FIGURE 11 1 SBus Slot Location SBus slot Rear Panel ...

Page 120: ...h the corners of the card where it connects to the system board Carefully push upward with your thumbs until the card disconnects from the system board 11 1 1 Removing the SBus Card 1 Shut down and power off the system See Section 6 1 Powering Off the System 2 Remove the cover and attach a wrist strap See Chapter 7 3 Push the upper card retainers back from the edge of the SBus card The SBus card i...

Page 121: ...the other side of the extractor handle which should come out easily without bending it FIGURE 11 3 Removing the Extractor Handle From an SBus Card 5 Insert the legs of the card extractor into the holes on the installed SBus card SBus card extractor handle SBus Card ...

Page 122: ... SBus Card Extractor 6 Hold both ends of the card extractor Pull upward slowly and evenly until the card is disconnected FIGURE 11 5 Removing the SBus Card 7 Remove the card extractor from the SBus card refer to Step 1 8 Place the SBus card on an antistatic surface Insert card extractor ...

Page 123: ...apter bracket with tabs unscrew the retaining screws and discard the adapter bracket before installing the card 3 Push back the two upper card retainers on the SBus connector See FIGURE 11 6 4 Holding the card at an angle to the rear panel insert the card backplate beneath the two tabs at the top of the SBus opening See FIGURE 11 6 5 Align the SBus card connector with its corresponding connector o...

Page 124: ...nserting the SBus Card Caution Align the connectors carefully and push down evenly on both corners of the card to avoid damaging the connector pins 6 Push the card retainers forward to secure the SBus card Push back card retainers Insert card behind these two tabs Connector ...

Page 125: ...wrist strap and replace the cover See Chapter 7 8 Power on the system See Section 6 2 Powering On the System 11 2 Audio Module Note The Audio Module is for the SPARCstation 4 workstation only The SPARCstation 4 Audio Module plugs into the Audio Module connector shown in FIGURE 11 8 Push retainers forward ...

Page 126: ... Section 6 1 Powering Off the System 2 Remove the cover and attach a wrist strap See Chapter 7 3 Remove the SBus card if present See Section 11 1 1 Removing the SBus Card 4 Free the audio cable from the cable slot on the side of the board and from the retaining hooks on the card guide See FIGURE 11 8 5 Unplug the audio cable from the connector on the Audio Module Gently pull the audio cable from u...

Page 127: ...ent 11 9 FIGURE 11 9 Removing the Audio Cable From the Audio Module 6 Unlock the Audio Module retainers Push back the lower card retainers to release the Audio Module Cable slot Retaining hooks Taped cable section Audio cable connector Metal shield ...

Page 128: ...or Pull upward slowly and evenly until the Audio Module is disconnected Caution Lift up evenly on both sides of the Audio Module to avoid any damage to the connector pins 9 Holding the connector end of the Audio Module disengage the Audio Module from its opening on the system back panel Hold the module by its edges and remove its central tab from the corresponding slot on the system back panel Lif...

Page 129: ...e Audio Module 10 Remove the card extractor from the Audio Module See Step 4 11 Place the Audio Module on an antistatic surface 12 If you are not replacing the Audio Module insert an Audio Module filler panel into the Audio Module rear panel opening Disengage tab from central slot ...

Page 130: ...95 FIGURE 11 12 Inserting the Audio Module Filler Panel 11 2 2 Replacing the Audio Module 1 Remove the Audio Module filler panel if present Squeeze the two tabs at the base of the lower bay filler panel until they disengage from the rear panel See FIGURE 11 13 ...

Page 131: ... its edges and insert its central tab into the corresponding slot on the system back panel See FIGURE 11 14 3 Align the Audio Module connector with its corresponding connector on the system board The corresponding connector on the system board is the one that is closer to the system back panel See FIGURE 11 8 4 Push down slowly and evenly until the Audio Module s connected to the system board ...

Page 132: ...ual January 1995 FIGURE 11 14 Inserting the Audio Module 5 Lock the module in place Push both lower card retainers into the upright position FIGURE 11 15 Securing the Audio Module Insert tab into central slot Push module down Lock module in place ...

Page 133: ...e Audio Module The connectors are keyed to install in one way only FIGURE 11 16 Connecting the CD ROM Audio Cable 7 Secure the audio cable in the retaining hooks on the card guide Center the taped part of the cable between the retaining hooks 8 Press the audio cable into the slot on the side of the Audio Module Audio cable connector Audio cable Metal shield ...

Page 134: ...4 Xterminal 1 Service Manual January 1995 FIGURE 11 17 Pressing the Audio Cable Into the Cable Slot 9 Ensure that the cable is routed around the corner post of the card guide Cable slot Retaining hooks Taped cable section ...

Page 135: ...now See Section 11 1 2 Replacing the SBus Card 11 Detach the wrist strap and replace the cover See Chapter 7 12 Power on the system See Section 6 2 Powering On the System 11 3 DSIMMs This section describes the procedures for removing and replacing faulty DSIMMs To determine the location of a faulty DSIMM see Section 4 4 Determining Faulty DSIMM Locations Corner post ...

Page 136: ... not remove DSIMMs from a different Sun system and install them in a SPARCstation 4 or SPARC Xterminal 1 system Caution A DSIMM is made of delicate electronic components that are extremely sensitive to static electricity Ordinary amounts of static from your clothes or work environment can destroy a DSIMM Handle a DSIMM only by the edges Do not touch the components on the DSIMM or any metal parts W...

Page 137: ...jection levers on both sides of the DSIMM connector See FIGURE 11 20 FIGURE 11 20 Ejecting the DSIMM 6 Holding the DSIMM by its edges remove it from the slot and place it on an antistatic surface Rear Panel Slot 4 Slot 3 Slot 2 Slot 1 Slot 0 SPARCstation 4 system shown SPARC Xterminal 1 systems have slots slots 0 to 3 four Push down ejector levers to eject ...

Page 138: ...Hold the DSIMM by its edges and orient it so that the two notches at the bottom of the DSIMM line up with the two tabs in the DSIMM connector See FIGURE 11 21 Note The slot closest to the rear panel must always contain a DSIMM If you combine different capacity DSIMMs in the same system this slot must contain the highest capacity DSIMM FIGURE 11 21 Orienting the DSIMM 4 Place your thumbs as shown i...

Page 139: ...the system banner to verify that the system recognizes the new memory The system banner appears at the top of the screen a few seconds after you power on the system Check the amount of memory listed in the system banner to verify that the system recognizes the new memory 11 4 VSIMM 11 4 1 Removing the VSIMM 1 Shut down and power off the system See Section 6 1 Powering Off the System Push the DSIMM...

Page 140: ...See Chapter 7 3 Place an antistatic surface next to the system 4 Locate the only VSIMM slot See FIGURE 11 23 FIGURE 11 23 VSIMM Slot Location 5 To eject the faulty VSIMM press down on the ejection levers on both sides of the VSIMM connector See FIGURE 11 24 Rear Panel SPARCstation 4 System Shown VSIMM slot ...

Page 141: ...s protective packaging and place it on an antistatic surface The bag that the VSIMM is packed in makes a good antistatic surface 2 Find the VSIMM slot and unlock press down the ejector levers at both ends of the connector 3 Align the VSIMM with the slot Hold the VSIMM by its edges and orient it so that the two notches at the bottom of the VSIMM line up with the two tabs in the VSIMM connector See ...

Page 142: ...5 FIGURE 11 25 Orienting the VSIMM 4 Place your thumbs as shown in FIGURE 11 26 and push the VSIMM firmly into its connector 5 To lock the VSIMM in place push both ejector levers into the upright position Align notches with corresponding tabs in VSIMM connector ...

Page 143: ...eplace the cover See Chapter 7 7 Power on the system See Section 6 2 Powering On the System 11 5 System Board 11 5 1 Removing the System Board Shut down anad power off the system Do tasks in the listed order Remove the cover and attach a wrist strap Remove the SBus card if present Push the VSIMM firmly into its connector ...

Page 144: ...tach a wrist strap See Chapter 7 3 Remove the SBus card See Section 11 1 1 Removing the SBus Card 4 Remove the Audio Module if present See Section 11 2 1 Removing the Audio Module 5 Remove all DSIMMs See Section 11 3 1 Removing the DSIMM 6 Remove the VSIMM if present See Section 11 4 1 Removing the VSIMM 7 Remove the NVRAM See Section 11 6 1 Removing the NVRAM Chip 8 Unplug the DC power SCSI data ...

Page 145: ... See FIGURE 11 28 FIGURE 11 28 System Board Captive Screws 10 Pull the board out of the back of the chassis until it clears the plastic card guide See FIGURE 11 29 11 Place the board on an antistatic surface Speaker LED Diskette data connector connector SCSI data connector DC power connector Speaker LED cable Diskette data cable DC power harness SERIAL A B TP Loosen captive screw Loosen captive sc...

Page 146: ...ange the jumpers on the system board to RS232 1 Install the new system board See FIGURE 11 30 a Insert the front edge of the board the edge with the DSIMMs into the card guide b Lift the rear panel of the board slightly to make sure that the foot on the underside of the board doesn t catch the metal edge of the chassis c Slide the board along the card guide until it is fully inserted Card guide Sy...

Page 147: ... that secure the board to the rear of the chassis Do not overtighten these screws See FIGURE 11 31 FIGURE 11 31 System Board Captive Screws 3 Reconnect the DC power SCSI data diskette data and the speaker LED cables if present to the system board See FIGURE 11 27 Card guide System board SERIAL A B TP Tighten captive screw Tighten captive screw ...

Page 148: ... strap and replace the cover See Chapter 7 6 Power on the system See Section 6 2 Powering On the System 11 5 3 Setting Jumpers Note This section applies to SPARCstation 4 systems only There are two serial port jumpers on the system board The jumpers are factory set to RS423 mode position A in FIGURE 11 32 The ports can be reset to RS232 mode position B for connection to an X 25 network in Europe o...

Page 149: ...o position B See FIGURE 11 32 FIGURE 11 32 Setting the Serial Port Jumpers 6 Reinstall the Audio Module if applicable See Section 11 2 2 Replacing the Audio Module 7 Reinstall the SBus card if applicable See Section 11 1 2 Replacing the SBus Card 8 Detach the wrist strap and replace the cover See Chapter 7 9 Power on the system See Section 6 2 Powering On the System RS423 RS232 J1 7 0 2 J1 7 0 3 A...

Page 150: ...e Chapter 7 3 If an SBus card is installed remove it See Section 11 1 1 Removing the SBus Card 4 If an Audio Module is installed remove it See Section 11 2 1 Removing the Audio Module 5 Locate the NVRAM chip on the system board See FIGURE 11 33 FIGURE 11 33 Locating the NVRAM Chip 6 Hold the NVRAM chip carrier on both ends and lift it straight up to remove it Gently wiggle the chip carrier as nece...

Page 151: ...the notches on the socket and chip are aligned properly The carrier is keyed so that the NVRAM chip can be installed only one way 3 Push the NVRAM chip into the carrier until it sits tightly in the socket 4 Reinstall the Audio Module if applicable See Section 11 2 2 Replacing the Audio Module 5 Reinstall the SBus card if applicable See Section 11 1 2 Replacing the SBus Card 6 Detach the wrist stra...

Page 152: ...11 34 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 153: ...rts that comprise the system and a list of customer replaceable units CRUs and their part numbers Illustrations of Selected CRUs on page 1 Replacement Parts List on page 4 12 1 Illustrations of Selected CRUs FIGURE 12 1 through FIGURE 12 4 illustrate selected CRUs for the SPARCstation 4 and SPARC Xterminal 1 systems ...

Page 154: ...Service Manual January 1995 FIGURE 12 1 Selected CRUs System Unit CD ROM drive top SPARCstation 4 system only Power supply System board Hard disk drive SPARCstation 4 system only DSIMMs Diskette drive bottom SPARCstation 4 system only ...

Page 155: ...lustrated Parts Breakdown 12 3 FIGURE 12 2 Standard External Cables FIGURE 12 3 Optional External Cable AC power cord Twisted pair Ethernet cable 13W3 video cable Keyboard cable SCSI cable Sparcstation 4 system only ...

Page 156: ...ent they are subject to change Consult your authorized Sun sales representative or service provider to confirm part numbers before you order new or replacement parts TABLE 12 1 Part Number List Customer Replaceable Units Item Description Sun Part No 1 8 Mbyte DSIMM Module 501 2470 2 32 Mbyte DSIMM Module 501 2471 3 VSIMM Module 501 2576 4 NVRAM TOD 525 1391 5 Main Logic Board 0 Mbyte SPARCstation ...

Page 157: ...ve Cable Internal 530 2146 19 DC Power Harness 530 2130 20 1 Mbyte TGX Frame Buffer Card 501 2325 21 4 Mbyte TGX Frame Buffer Card 501 2253 22 Audio Module 501 2592 23 Type 5 Mouse and Pad 370 1398 24 Keyboard Cable 530 1442 25 Twisted Pair Ethernet Cable 530 1871 26 13W3 Video Cable 530 1870 27 SunMicrophone II SPARCstation 4 System Only 370 1678 TABLE 12 2 Part Number List Miscellaneous Items It...

Page 158: ...12 6 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 159: ...ge 2 Environmental Requirements on page 4 A 1 Physical Specifications TABLE A 1 lists the physical specifications for the SPARCstation 4 system unit keyboard and optical mouse TABLE A 1 Physical Specifications SPARCstation 4 System Component Height inches mm Width inches mm Depth inches mm Net Weight lbs kg System Unit 3 07 78 16 40 417 16 10 409 25 0 11 34 Keyboard 1 7 44 20 1 510 7 2 182 3 5 1 6...

Page 160: ...0 10 89 Keyboard 1 7 44 20 1 510 7 2 182 3 5 1 6 Mouse 2 0 50 4 0 100 3 0 80 0 3 0 14 TABLE A 3 Input Power Requirements and Power Dissipation SPARCstation 4 System Parameter Specification Nominal Frequencies 50 Hz or 60 Hz nominal Nominal Voltage Range 100 120 Vac or 200 240 Vac 100 240 Vac Auto Maximum Current AC RMS1 1 Maximum input current with accessory connected to accessory outlet is 6 A 0 ...

Page 161: ...ac AC Operating Range 87 264 Vrms 47 63 Hz Maximum VA Rating 39 VA Maximum Power Consumption2 2 Maximum power consumption with monitor connected to accessory outlet is 177 Watts 27 Watts Maximum Heat Output 92 1 BTU hr TABLE A 5 Input Power Requirements and Power Dissipation SPARCserver 4 System Parameter Specification Nominal Frequencies 50 Hz or 60 Hz nominal Nominal Voltage Range 100 120 Vac or...

Page 162: ... 2 3 Altitude Range 0 to 3000 meters 0 to 9840 feet 10 C to 40 C 50 F to 104 F IEC 68 2 40 68 2 41 Vibration 0 1 gravity g peak 5 500 Hz 3 perpendicular axes IEC 68 2 6 Shock 5 g peak 11 milliseconds half sine pulse IEC 68 2 27 Non Operating Environment Altitude 0 to 12 000 meters 0 to 39 360 feet 0 C to 10 C 32 F to 50 F IEC 68 2 40 68 2 41 Temperature Range 40 C to 75 C 40 F to 167 F at 20 70 RH...

Page 163: ...e 3 Twisted Pair Ethernet Connector on page 4 Serial Connector Ports A and B SPARCstation 4 System Only on page 4 Audio Module Ports Optional on page 5 Audio Module Ports Optional on page 5 13W3 Video Connector on page 9 B 1 External SCSI Connector SPARCstation 4 System Only FIGURE B 1 External SCSI Connector SPARCstation 4 System Only TABLE B 1 Pinout Signals1 for External SCSI Connector Pin Desc...

Page 164: ...1 Ground 28 Data 2 45 Reset 12 Ground 29 Data 3 46 Message 13 N C 30 Data 4 47 Select 14 Ground 31 Data 5 48 Control data 15 Ground 32 Data 6 49 Request 16 Ground 33 Data 7 50 Direction 17 Ground 34 Parity 1 All signals are active low TABLE B 2 Pinout for Parallel Port Connector Pin Description Pin Description 1 Strobe_out_l 14 Auto_feed_out_l 2 Data 0 15 Errpr_in_l 3 Data 1 16 Init_out_l 4 Data 2...

Page 165: ...d 9 Data 7 22 Ground 10 Ack_out_l 23 Ground 11 Busy_out_l 24 Ground 12 Pe_in 25 Ground 13 Select_out TABLE B 3 Pinout for Attachment Unit Interface AUI Connector Pin Description Pin Description 1 N C 9 Collision 2 Collision 10 Transmit 3 Transmit 11 N C 4 N C 12 Receive 5 Receive 13 Power 6 Ground 14 N C 7 N C 15 N C 8 N C TABLE B 2 Pinout for Parallel Port Connector Continued Pin Description Pin ...

Page 166: ...or Twisted Pair Ethernet Connector Pin Description Pin Description 1 Transmit Data 5 N C 2 Transmit Data 6 Receive Data 3 Receive Data 7 Presence detect 4 N C 8 Presence detect TABLE B 5 Pinout for Combined Serial Connector Ports A and B Pin Description1 Pin Description 1 N C Shield 14 A Transmit Data TxDB 2 A Transmit Data TxDA 15 Transmit Clock DCE Source TRxCA 3 A Receive Data RxDA 16 B Receive...

Page 167: ...24 A Transmit Clock DTE Source TRxCa 12 B Data Carrier Detect DCDb 25 B Transmit Clock DTE Source TRxCb 13 B Clear to Send CTSb 1 Splitter cable X985A is required to use both ports simultaneously Port A is synchronous asynchronous Port B is asynchronous only TABLE B 6 Signals for the Audio Module Ports1 1 E I A standard 3 5 mm 0 125 inch jacks Headphone Line Out Line In Microphone new Tip Left Cha...

Page 168: ...e listening of audio output B 6 2 Audio Line Out Connector FIGURE B 8 Audio Line out Connector This connector is used to connect the system audio output to a stereophonic amplifier and external loudspeakers B 6 3 Audio Line In Connector FIGURE B 9 Audio Line in Connector This connector is used to connect external stereophonic sound sources such as a compact disc player or cassette tape player to t...

Page 169: ...internal speaker specifications 1 These specifications assume you are using the Audio Module with the Audio Tool format setting CD ROM or DAT selected TABLE B 7 Audio Module Inputs and Outputs Module Stereo Inputs Outputs Specifications 1 Line In Frequency Response 2 V typical 4 V maximum 5 to 50 k ohm impedance 20 Hz to 17 kHz 0 5dB Internal CD Input 2 Input Level Distortion S N Ratio Frequency R...

Page 170: ... Connector Note All signals are standard TTL levels The 5V supply is fuse protected TABLE B 8 Internal Monaural Speaker Specifications Monaural Speaker Specifications Internal Speaker Power Output Distortion Impedance Frequency Response 1 5 W average 3 W peak 0 02 typical at 1 kHz 16 ohm 20 150 Hz to 17 kHz 0 5dB TABLE B 9 Pinout for Keyboard Mouse Connector Pin Description Pin Description 1 Groun...

Page 171: ...r TABLE B 10 13W3 Video Connector Pin Assignments Pin Function I O Level A1 Red O Analog A2 Green O Analog A3 Blue O Analog 1 Serial Read TTL 2 Vert Sync O TTL 3 Sense 0 I TTL 4 Ground GND 5 Comp Sync O TTL 6 Hort Sync O TTL 7 Serial Write TTL 8 Sense 1 I TTL 9 Sense 2 I TTL 10 Ground GND A1 A2 A3 1 5 6 10 ...

Page 172: ...B 10 SPARCstation 4 Xterminal 1 Service Manual January 1995 ...

Page 173: ...atically assigned a SCSI target see TABLE C 1 and TABLE C 2 this target is assigned only if the device is present Note On the SPARCstation 4 system SCSI termination takes place on the system board when the internal disk is present When assigning SCSI targets to external devices make sure that none of the external targets conflict with the target automatically assigned to the internal disk drive No...

Page 174: ...xternal disk drives 0 1 2 External tape drives 4 5 External CD ROM drive 6 TABLE C 2 SCSI Targeting Solaris 2 x SunOS 5 x Operating Systems SCSI Device SCSI Target On board disk SCSI target automatically assigned if present 3 Internal CD ROM drive SCSI target factory configured 6 External disk drives 0 1 2 4 5 6 External tape drives 0 1 2 4 5 6 External CD ROM drive 0 1 2 4 5 6 TABLE C 1 SCSI Targ...

Page 175: ... number of additional tests in the boot PROM called FORTH Diagnostics To invoke these tests you must enter the FORTH Monitor Caution To run the FORTH Diagnostics you must halt the system in an orderly manner When the operating system or any other standalone program has already booted do not press Stop a to halt the system Abruptly aborting program execution may cause damage to data files D 1 Runni...

Page 176: ...top a to access the FORTH Monitor 6 Enter help diag at the ok prompt to get a list of tests that comprise the FORTH Diagnostics 7 Enter the name of the test you wish to execute CODE EXAMPLE D 1 shows a list of FORTH Diagnostic tests su Password superuser password usr sbin shutdown y g60 i0 su Password superuser password usr etc shutdown h 1 CODE EXAMPLE D 1 Displaying FORTH Diagnostics ok help dia...

Page 177: ...reference Disks tapes and CD ROMs are not tested by test all D 1 3 watch clock This test reads a register in the NVRAM TOD nonvolatile RAM Time of Day chip on the main logic board and displays the result as a seconds counter The counter should count from 0 to 59 repeatedly until you interrupt it by pressing any key on the keyboard watch aui monitor broadcast packets using AUI interface watch tpe m...

Page 178: ... may be connected at a time The system can automatically select which interface is connected and active The AUI port is first tested by transmitting packets and checking for no carrier or response packets If the AUI test fails the TPE port is then tested ok watch clock Watching the seconds register of the real time clock chip It should be ticking once a second Type any key to stop 41 ok watch net ...

Page 179: ...et card installed in one of the system SBus slots watch net all will start by monitoring Ethernet transmissions detected by that card When you interrupt the test on that interface by pressing any key watch net all then goes on to test the next Ethernet interface it finds in the system ok watch aui Using AUI Ethernet Interface Lance register test succeeded Internal loopback test succeeded External ...

Page 180: ... installed in the system The first identifier listed in the display is the SCSI host adapter address in the system device tree followed by the SCSI device identification data ok watch net all iommu 0 100000000 sbus 0 10001000 ledma 5 8400010 le 5 8c00000 Using AUI Ethernet Interface Lance register test succeeded Internal loopback test succeeded External loopback test Lost Carrier transceiver cable...

Page 181: ...e how much memory to test The default for the selftest megs parameter is 1 so only 1 megabyte of memory is tested To change the default amount of memory tested using the selftest megs default parameter type this command This sets the desired memory size to be tested to 256 megabytes ok probe scsi all iommu 0 100000000 sbus 0 10001000 espdma 5 8400000 esp 5 8800000 Target 1 Unit 0 Disk CONNER CP305...

Page 182: ...er exceeds the amount of installed memory all the installed memory in the system is tested When the test memory diagnostic is running the number of megabytes being tested is displayed and counted down to zero during the test See the OpenBoot Command Reference for a detailed description and step by step instructions for the available FORTH Diagnostic tests D 2 Returning to the Old Style Sunmon Comp...

Page 183: ...nitor program The boot PROM is connected to the I O data bus boot PROM diagnostics The diagnostic firmware contained in the boot PROM These diagnostics include the Power On Self Test POST and on board diagnostics buffer The auxiliary data storage device that holds data temporarily and that may also perform other functions in conjunction with various I O machines cables Wires or bundles of wires co...

Page 184: ...d debugging frame buffer board A printed circuit board installed in an SBus slot of the system unit that controls a video display FRU Field replaceable unit IC Integrated circuit ID Identification I O Input output A device that inputs data to a computer CPU and receives data from a computer CPU Examples of I O devices include keyboards mice monitors and peripherals devices IU Integer unit LANCE Lo...

Page 185: ...ss memory ROM Read only memory SBus card A printed circuit board installed in an SBus slot of the system unit SCC Serial communications controller SCSI Small computer system interface pronounced scuzzy SIA Serial interface adapter SIMM Single in line memory module SunDiag System Exerciser Diagnostic software that runs under SunOS system software displays real time use of system resources and perip...

Page 186: ...on 4 Xterminal 1 Service Manual January 1995 wrist strap A device that provides grounding for static electricity between your body and the system unit chassis Electric current and voltage do not pass through the wrist strap ...

Page 187: ...9 4 removal replacement 9 4 to 9 7 connector pin assignments Audio Module connectors B 5 AUI connector B 3 keyboard mouse connector B 8 parallel connector B 2 SCSI connector B 1 serial connectors B 4 twisted pair Ethernet connector B 4 video connector B 9 CPU board See system board CRU illustrations 12 1 replacement part numbers 12 4 tools for removal replacement 5 3 customer replaceable unit See ...

Page 188: ...d parts breakdown 12 1 to 12 5 input power requirements A 2 A 3 interior view of system 1 3 internal options 1 6 K keyboard diagnostic LEDs 3 2 3 9 keyboard mouse connector pinout B 8 M main logic board See system board memory error reporting 4 7 location J number 4 7 physical address 4 7 See also DSIMM mfg switch parameter 2 4 microphone illustration 12 4 module info D 7 N nonvolatile random acce...

Page 189: ...environmental A 4 input power A 2 A 3 RS232 setting jumpers for 11 30 RS423 setting jumpers for 11 30 S safety requirements 5 1 SBUS card 11 1 removal replacement 11 2 to 11 5 SCSI SCSI connector pinout B 1 SCSI data cable removal replacement 9 15 to 9 17 SCSI targeting conventions C 1 seating floppy disk drive SPARCstation 4 9 13 selftest megs parameter 2 5 2 9 serial connector pinout B 4 serial ...

Page 190: ...9 D 3 test memory 2 9 D 7 testing the power supply 4 3 testing the system board 4 5 thick Ethernet D 4 tip connection 3 5 tip window 3 6 tools required 5 3 tpe link test parameter 2 8 troubleshooting 2 1 to 2 11 turning off power 6 1 to 6 3 turning on power 6 4 twisted pair Ethernet D 4 twisted pair Ethernet connector pinout B 4 U use nvramrc parameter 2 4 V video connector pinout B 9 video output...

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