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7-1

C H A P T E R

7

Internal Access

This chapter contains procedures to attach the wrist strap and to remove and replace
the system top access cover

7.1

To Attach the Wrist Strap

Caution –

Wear an antistatic wrist strap and use an ESD-protected mat when

handling components. When servicing or removing system unit components, use a
wrist strap with a 10mm press stud connection and attach the wrist strap to the
press stud at the front or rear of the chassis. This should be performed before the top
cover is removed.

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Summary of Contents for Netra t 1120

Page 1: ...901 San Antonio Road Palo Alto CA 94303 4900 USA 650 960 1300 Fax 650 969 9131 Netra t 1120 1125 Service Manual Part No 805 6804 10 Revision A August 1998 Sun Microsystems Inc...

Page 2: ...NESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT Copyright 1998 Sun Microsystems Computer Company 901 San Antonio Road Palo Alto California 94303 U S A 415 960 1300 Fax 415 969 9131 Tous droits r ser...

Page 3: ...em Features 1 1 1 2 System LEDs 1 4 1 2 1 Netra t 1120 1 4 1 2 2 Netra t 1125 1 5 1 3 System Unit Components 1 5 2 SunVTS Overview 2 1 2 1 SunVTS Description 2 1 2 2 SunVTS Operation 2 1 3 Power On Se...

Page 4: ...r Removable Media Drive Failure 4 3 4 3 Power Supply Test 4 5 4 4 SIMM Failure 4 8 5 Tool Requirements 5 1 6 Power On and Off 6 1 6 1 To Power On the System 6 2 6 2 To Power Off the System 6 3 7 Inter...

Page 5: ...9 3 2 To Replace the SCSI Backplane 9 9 10 Motherboard and Component Replacement 10 1 10 1 CPU Modules 10 2 10 1 1 To Remove a CPU Module 10 2 10 1 2 To Replace a CPU Module 10 4 10 1 3 To Remove the...

Page 6: ...o Replace the Motherboard 10 27 A Illustrated Parts List A 1 B Product Specifications B 1 B 1 Physical Specifications B 1 B 2 Electrical Specifications B 2 B 2 1 XL B 2 B 2 2 an XL B 2 B 3 Environment...

Page 7: ...J2902 4 6 FIGURE 4 3 Power Supply Connector J2903 4 7 FIGURE 6 1 System Power On Front Panel 6 2 FIGURE 6 2 System Power Off Front Panel 6 4 FIGURE 7 1 Attaching the Wrist Strap to the Front of the Ch...

Page 8: ...oving and Replacing a PCI Card 10 14 FIGURE 10 7 SIMM Ejection Lever 10 18 FIGURE 10 8 Removing and Replacing a SIMM 10 19 FIGURE 10 9 Removing and Replacing the Alarms Card 10 22 FIGURE 10 10 Removin...

Page 9: ...0 1 SIMM Bank and Bank Quads 10 16 TABLE 10 2 Serial Port Jumper Settings 10 27 TABLE A 1 Replaceable Components A 3 TABLE B 1 Physical Specifications B 1 TABLE B 2 Netra t 1120 Electrical Specificati...

Page 10: ...x Netra t 1120 1125 Service Manual August 1998...

Page 11: ...Code Examples xi Code Examples CODE EXAMPLE 3 1 diag level Variable Set to max 3 5 CODE EXAMPLE 3 2 diag level Variable Set to min 3 14 CODE EXAMPLE 3 3 Typical Error Code Failure Message 3 21...

Page 12: ...xii Netra t 1120 1125 Service Manual August 1998...

Page 13: ...of system differ in which case examples of both are shown Who Should Use This Guide This book is written for technicians advanced computer system end users with experience in replacing hardware and tr...

Page 14: ...the Netra t 1120 1125 Chapter 9 Storage Devices contains procedures to remove and replace the storage devices Chapter 10 Motherboard and Component Replacement contains removal and replacement procedu...

Page 15: ...to list all files system You have mail AaBbCc123 What you type as opposed to on screen computer output system su Password AaBbCc123 Command line placeholder replace with a real name or value To delet...

Page 16: ...instructions carefully Paragraphs accompanied by this 1125 icon apply only to Netra t 1125 systems Paragraphs accompanied by this 1120 icon apply only to Netra t 1120 systems Do Not Substitute Parts...

Page 17: ...y sensitive to static electricity Ordinary amounts of static electricity from clothes or work environment can destroy components Do not touch the components themselves or any metal parts Wear a wrist...

Page 18: ...xviii Netra t 1120 1125 Service Manual August 1998...

Page 19: ...an AC powered system This is the only difference between the two systems FIGURE 1 2 and FIGURE 1 4 show front and rear views of the Netra t 1120 1125 system 1 1 System Features System components are h...

Page 20: ...verlap providing optimal system performance There are a total of 16 SIMM slots Four PCI slots Three 33MHz 64 or 32 bit 5Vdc slots One 66MHz or 33MHz 64 or 32 bit 3 3Vdc slot Universal PCI cards can be...

Page 21: ...3 FIGURE 1 3 Netra t 1120 System Unit Rear View FIGURE 1 4 Netra t 1125 System Unit Rear View TPE MII SCSI Alarms B A Parallel Serial A and B DC inputs A and B TPE MII SCSI Alarms B A Parallel Serial...

Page 22: ...is powered on SYSTEM Green This indicator is off or reset during power up procedures and is illuminated whenever UNIX is running and the alarms driver is installed It is reset by a hardware Watchdog t...

Page 23: ...fined Alarm 1 is asserted ALARM 2 Amber Illuminated whenever the user defined Alarm 2 is asserted SPARE Amber For future enhancement FIGURE 1 6 Netra t 1125 System LEDs 1 3 System Unit Components TABL...

Page 24: ...1 6 Netra t 1120 1125 Service Manual August 1998...

Page 25: ...on TABLE 2 1 lists the documentation for the SunVTS software These documents are available on the Solaris on Sun Hardware AnswerBook which is on the SMCC Updates CD ROM for the Solaris release TABLE 2...

Page 26: ...2 2 Netra t 1120 1125 Service Manual August 1998...

Page 27: ...detects approximately 95 percent of system unit faults and is located in the system board OpenBoot PROM OBP The setting of two NVRAM variables the diag switch and diag level flags determines if POST i...

Page 28: ...rom a system being tested Serial ports A or B are used to establish the tip connection between the system unit being tested and another Sun workstation monitor or TTY type terminal The tip connection...

Page 29: ...ndow 5 When POST is completed disconnect the tip window by typing tilde period 3 2 2 To Verify the Baud Rate To verify the baud rate between the system unit being tested and a terminal or another Sun...

Page 30: ...m max level and minimum min level The system initiates the selected level of POST based on the setting of diag level an NVRAM variable The default setting for diag level is max An example of a max lev...

Page 31: ...0000 1700 1120 Slave Version 0000 0000 1700 1120 CPU E M 0000 0000 0020 0000 S 0000 0000 0020 0000Button Power ON Master CPU online Master Version 0000 0000 1700 1120 Slave Version 0000 0000 1700 1120...

Page 32: ...00 DMMU TLB Tag Access Test 2 00 DMMU TLB RAM Access Test 2 00 IMMU TLB Tag Access Test 2 00 IMMU TLB RAM Access Test 2 00 Probe Ecache 2 INFO CPU 296 MHz 2048KB Ecache 2 00 Ecache RAM Addr Test 2 00...

Page 33: ...dr Test 0 INFO 0MB Bank 0 0 INFO 0MB Bank 1 0 INFO 0MB Bank 2 0 INFO 128MB Bank 3 0 00 ECC Memory Addr Test 0 INFO 0MB Bank 0 0 INFO 0MB Bank 1 0 INFO 0MB Bank 2 0 INFO 128MB Bank 3 0 00 Memory Status...

Page 34: ...Config Space Regs Test 0 1f PBMA Control Status Reg Test 0 1f PBMA Diag Reg Test 0 1f PBMB PCI Config Space Regs Test 0 1f PBMB Control Status Reg Test 0 1f PBMB Diag Reg Test 0 00 FPU Regs Test 0 00...

Page 35: ...ECC R M W Err Ebus Test 0 1f Consistent DMA UE ECC R M W Err Lpbk Test 0 1f Consistent DMA CE ECC Rd Err Ebus Test 0 1f Consistent DMA CE ECC Rd Err Lpbk Test 0 1f Consistent DMA CE ECC R M W Err Ebu...

Page 36: ...Scache Miss Ebus Test 0 1f Stream DMA Wr IOMMU miss Scache Miss Lpbk Test 0 1f Stream DMA Wr IOMMU hit Scache Miss Ebus Test 0 1f Stream DMA Wr IOMMU hit Scache Miss Lpbk Test 0 1f Stream DMA Wr IOMM...

Page 37: ...d Hit Lpbk Test 0 00 Init Memory 0 INFO 0MB Bank 0 0 INFO 0MB Bank 1 0 INFO 0MB Bank 2 0 INFO 128MB Bank 3 0 00 Memory w Ecache Test 0 INFO 0MB Bank 0 0 INFO 0MB Bank 1 0 INFO 0MB Bank 2 0 INFO 128MB...

Page 38: ...th asi 0x4c is noped 2 00 Test 5 prefetcha with asi 0x54 is noped 2 00 Test 6 prefetcha with asi 0x6e is noped 2 00 Test 7 prefetcha with asi 0x76 is noped 2 00 Test 8 prefetch with fcn 5 2 00 Test 9...

Page 39: ...e Probing pci 1f 4000 at Device 1 pci108e 1000 network Probing pci 1f 4000 at Device 3 scsi disk tape scsi disk tape Probing pci 1f 4000 at Device 2 Nothing there Probing pci 1f 4000 at Device 4 Nothi...

Page 40: ...Hz No Keyboard OpenBoot 3 11 128 MB memory installed Serial 9637699 Ethernet address 8 0 20 93 f 43 Host ID 80930f43 CODE EXAMPLE 3 2 diag level Variable Set to min Hardware Power ON Master CPU online...

Page 41: ...MB Bank 0 0 INFO 0MB Bank 1 0 INFO 0MB Bank 2 0 INFO 128MB Bank 3 0 00 Malloc Post Memory 0 00 Init Post Memory 0 00 Post Memory Addr Test 0 00 Map PROM STACK NVRAM in DMMU 0 00 Memory Stack Test 2 00...

Page 42: ...A UE ECC Rd Err Lpbk Test 0 00 Copy Post to Memory 0 00 Ecache Thrash Test 0 00 Init Memory 0 00 Memory Addr w Ecache Test 0 INFO 0MB Bank 0 0 INFO 0MB Bank 1 0 INFO 0MB Bank 2 0 INFO 128MB Bank 3 0 0...

Page 43: ...0 1f Psycho ScacheB RAM Addr Test 0 1f Psycho ScacheB Error Status NTA Test 0 1f PBMA PCI Config Space Regs Test 0 1f PBMA Control Status Reg Test 0 1f PBMA Diag Reg Test 0 1f PBMB PCI Config Space R...

Page 44: ...2 00 Test 8 prefetch with fcn 5 2 00 Test 9 prefetch with fcn 2 2 00 Test 10 prefetch with fcn 12 2 00 Test 11 prefetch with fcn 16 is noped 2 00 Test 12 prefetch with fcn 29 is noped 2 00 Test 13 pr...

Page 45: ...obing pci 1f 4000 at Device 4 Nothing there Probing pci 1f 4000 at Device 5 Nothing there Probing pci 1f 2000 at Device 1 Nothing there Probing pci 1f 2000 at Device 2 Nothing there screen not found C...

Page 46: ...pci 1f 2000 at Device 2 Nothing there Sun Ultra 60 UPA PCI 2 X UltraSPARC II 296MHz No Keyboard OpenBoot 3 11 128 MB memory installed Serial 9637699 Ethernet address 8 0 20 93 f 43 Host ID 80930f43 C...

Page 47: ...s the typical appearance of a failure message Note The system does not automatically boot if a POST error occurs it halts at the ok prompt to alert the user of a failure CODE EXAMPLE 3 3 Typical Error...

Page 48: ...At the OK prompt type The system will now reset and commence POST Note Non optional components such as four SIMMs in slots U0701 U0801 U0901 and U1001 the motherboard the power supply and the keyboard...

Page 49: ...er describes how to troubleshoot possible problems with the Netra t 1120 1125 system unit and includes suggested corrective actions To follow these troubleshooting procedures a terminal should be conn...

Page 50: ...no further action is required If the system does not power on one of the CPU modules may not be properly seated Remove the top cover and inspect each CPU module for proper seating If the system powers...

Page 51: ...ndicated by the failure message as described in Section 9 1 Hard Disk Drive on page 9 2 The operating system identifies the internal drives as identified in TABLE 4 1 Note The symbol in the operating...

Page 52: ...replace the unresponsive drive as described in Section 9 1 Hard Disk Drive on page 9 2 or Section 9 2 Removable Media Drive on page 9 5 If one internal disk drive is configured with the system and th...

Page 53: ...ge 7 4 4 Follow Step 4 to Step 9 in Section 8 1 1 To Remove the Power Supply on page 8 1 5 Lift the power supply from the chassis until it is restrained by the power supply cables Rest the power suppl...

Page 54: ...TABLE 4 2 Power Supply Connector J2901 Pin Description Pin Description Pin Description 1 Rtn 9 SUPPLY TRIP L 2 3 3Vdc SENSE 10 POWERON L 3 Rtn 11 12Vdc 4 5 0Vdc SENSE 12 POWER OK 5 POWER SET0 NEG 13...

Page 55: ...res 4 7 FIGURE 4 3 Power Supply Connector J2903 TABLE 4 4 Power Supply Connector J2903 Pin Description Pin Function Pin Function 1 3 3Vdc Rtn 4 3 3Vdc 2 3 3Vdc Rtn 5 3 3Vdc 3 3 3Vdc Rtn 6 3 3Vdc 1 2 3...

Page 56: ...iling byte or bit TABLE 4 5 lists physical memory addresses to locate a defective SIMM TABLE 4 5 SIMM Physical Memory Address SIMM Slot SIMM Pair non interleave SIMM Quad interleave U701 U801 00000000...

Page 57: ...nents such as system board circuit cards disk drives and NVRAM TOD on an antistatic mat The following items can be used as an antistatic mat Bag used to wrap a Sun replacement part Shipping container...

Page 58: ...5 2 Netra t 1120 1125 Service Manual August 1998...

Page 59: ...6 1 CHAPTER 6 Power On and Off This chapter describes how to power on and power off the Netra t 1120 1125 system...

Page 60: ...power to all connected peripherals Note Peripheral power is activated prior to system power so the system can recognize the peripherals when it is activated 2 Momentarily set the front panel ON STBY s...

Page 61: ...the STBY position FIGURE 6 2 until the system powers down 5 Verify that the Power LED is off 6 Disconnect the input power connector s on the rear of the unit or open all circuit breakers associated w...

Page 62: ...6 4 Netra t 1120 1125 Service Manual August 1998 FIGURE 6 2 System Power Off Front Panel 1125...

Page 63: ...ach the Wrist Strap Caution Wear an antistatic wrist strap and use an ESD protected mat when handling components When servicing or removing system unit components use a wrist strap with a 10mm press s...

Page 64: ...7 2 Netra t 1120 1125 Service Manual August 1998 FIGURE 7 1 Attaching the Wrist Strap to the Front of the Chassis...

Page 65: ...Chapter 7 Internal Access 7 3 FIGURE 7 2 Attaching the Wrist Strap to the Rear of the Chassis...

Page 66: ...Attach the Wrist Strap on page 7 1 2 Power off the system See Section 6 2 To Power Off the System on page 6 3 3 Disconnect the input power connector s 4 Remove the rack fixing screws and withdraw the...

Page 67: ...Chapter 7 Internal Access 7 5 FIGURE 7 3 Removing the Top Access Cover 1125 Screws Tab...

Page 68: ...be attached to the wrist then to one of the connection points provided on the system and then the power connectors should be removed from the system unit Following this caution equalizes all electric...

Page 69: ...Chapter 7 Internal Access 7 7 4 Replace the two fixing screws FIGURE 7 4 Replacing the Top Access Cover 1125...

Page 70: ...7 8 Netra t 1120 1125 Service Manual August 1998...

Page 71: ...ents Wear an antistatic wrist strap and use an ESD protected mat Store ESD sensitive components in antistatic bags before placing them on any surface 1 Attach the wrist strap See Section 7 1 To Attach...

Page 72: ...nectors and Earth Points FIGURE 8 2 Netra t 1125 AC Power Inlet and Earth Points 4 Using an 8mm wrench remove the primary earth connection by removing the M5 nut and captive washer 5 Using an 8mm wren...

Page 73: ...forwards slightly to clear the earth grounding stud 9 Lift the power supply from the chassis until it is restrained by the power supply cables Rest the power supply on the front crossmember of the enc...

Page 74: ...etra t 1120 1125 Service Manual August 1998 15 Disconnect the power supply cable from the main fan unit 16 Remove the power supply from the chassis FIGURE 8 4 Removing the Power Supply 2 1125 Power su...

Page 75: ...or to the alarms card 8 Position the power supply toward the rear of the chassis until the power supply rear panel is flush with the chassis 9 Using a No 2 Phillips head screwdriver tighten the eight...

Page 76: ...See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Power off the system See Section 6 2 To Power Off the System on page 6 3 3 Remove the top access cover See Section 7 2 To Remove the Top Access...

Page 77: ...Chapter 8 Power Subassemblies 8 7 FIGURE 8 5 Removing and Replacing the ON STBY Switch Assembly 1125 ON STBY switch assembly...

Page 78: ...ents in antistatic bags before placing them on any surface 1 Attach the wrist strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Feed the switch assembly power connector through the chassis...

Page 79: ...ap SeeSection 7 1 To Attach the Wrist Strap on page 7 1 2 Power off the system See Section 6 2 To Power Off the System on page 6 3 3 Remove the top access cover See Section 7 2 To Remove the Top Acces...

Page 80: ...8 10 Netra t 1120 1125 Service Manual August 1998 FIGURE 8 6 Removing and Replacing the LED Card 1125 LED card...

Page 81: ...trap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Position the LED card in the chassis 3 Carefully ensure all light pipes are aligned with the corresponding holes in the front panel 4 Caref...

Page 82: ...8 12 Netra t 1120 1125 Service Manual August 1998...

Page 83: ...9 1 CHAPTER 9 Storage Devices This chapter contains procedures to remove and replace the Netra t 1120 1125 system unit storage devices...

Page 84: ...To Attach the Wrist Strap on page 7 1 2 Power off the system and remove the input power connector s See Section 6 2 To Power Off the System on page 6 3 3 Open the front access cover 4 Remove the fron...

Page 85: ...Chapter 9 Storage Devices 9 3 FIGURE 9 1 Removing and Replacing a Hard Disk Drive...

Page 86: ...Attach the wrist strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Power off the system and remove the input power connector s See Section 6 2 To Power Off the System on page 6 3 3 Holding...

Page 87: ...1 2 Power off the system and remove the input power connector s See Section 6 2 To Power Off the System on page 6 3 3 Remove the top cover See Section 7 2 To Remove the Top Access Cover on page 7 4 4...

Page 88: ...antistatic wrist strap and use an ESD protected mat Store ESD sensitive components in antistatic bags before placing them on any surface 1 Attach the wrist strap See Section 7 1 To Attach the Wrist St...

Page 89: ...the top right hand side 8 Connect the SCSI and power cables to the rear of the drive 9 Push the drive fully into the drive assembly FIGURE 9 2 on page 9 6 10 Using a No 1 Phillips head screwdriver rep...

Page 90: ...the power supply See Section 8 1 1 To Remove the Power Supply on page 8 1 5 Remove the hard disk drive s See Section 9 1 1 To Remove a Hard Disk Drive on page 9 2 6 Remove the CPU module s See Section...

Page 91: ...Access Cover on page 7 4 4 Remove the power supply See Section 8 1 1 To Remove the Power Supply on page 8 1 5 Feed the connector cable to the motherboard under the drive bay 6 Using a No 1 Phillips h...

Page 92: ...9 10 Netra t 1120 1125 Service Manual August 1998...

Page 93: ...10 1 CHAPTER 10 Motherboard and Component Replacement This chapter contains removal and replacement procedures for the Netra t 1120 1125 motherboard and components of the motherboard...

Page 94: ...ore placing them on any surface 1 Attach the wrist strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Power off the system and remove the input power connector s See Section 6 2 To Power Of...

Page 95: ...rd and Component Replacement 10 3 5 Using the two levers lift the CPU module upwards until it clears the system chassis FIGURE 10 2 Removing and Replacing CPU Modules 6 Place the CPU module on an ESD...

Page 96: ...uides until the module touches the motherboard slot socket Ensure connectors are aligned See FIGURE 10 2 on page 10 3 With both hands simultaneously turn and press the levers downward to the fully hor...

Page 97: ...Unplug the fan connectors from the motherboard and the power supply 6 Using a No 1 Phillips screwdriver loosen the two captive screws securing the bracket to the motherboard see FIGURE 10 3 Tilt the...

Page 98: ...t strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Carefully place the bracket on the motherboard so that the locating lugs engage in the keyholes and the captive screws align with the ap...

Page 99: ...he wrist strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Power off the system and remove the input power connector s See Section 6 2 To Power Off the System on page 6 3 3 Remove the top...

Page 100: ...10 8 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 4 Removing and Replacing the System Fan Assembly System fan...

Page 101: ...rist strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Carefully position the fan assembly to the chassis and using a No 2 Phillips head screwdriver secure with four screws Note that the b...

Page 102: ...components in antistatic bags before placing them on any surface 1 Attach the wrist strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Power off the system and remove the input power connec...

Page 103: ...mat Store ESD sensitive components in antistatic bags before placing them on any surface 1 Attach the wrist strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Position the NVRAM TOD and ca...

Page 104: ...rvice Manual August 1998 5 Replace the power supply See Section 8 1 2 To Replace the Power Supply on page 8 5 6 Replace the top access cover See Section 7 3 To Replace the Top Access Cover on page 7 6...

Page 105: ...trap on page 7 1 2 Power off the system and remove the input power connector s See Section 6 2 To Power Off the System on page 6 3 3 Remove the top access cover See Section 7 2 To Remove the Top Acces...

Page 106: ...10 14 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 6 Removing and Replacing a PCI Card 1125 PCI card...

Page 107: ...ee Section 7 2 To Remove the Top Access Cover on page 7 4 Note Read the PCI card product guide for information about jumper or switch settings slot requirements and required tools 4 Lower the PCI card...

Page 108: ...socket as the removed SIMM Caution Each SIMM bank must contain at least two SIMMs of equal density for example two 32Mbyte SIMMs to function properly Do not mix SIMM densities in any bank Note The sy...

Page 109: ...em on any surface 1 Attach the wrist strap See Section 7 1 To Attach the Wrist Strap on page 7 1 2 Power off the system and remove the input power connector s See Section 6 2 To Power Off the System o...

Page 110: ...ice Manual August 1998 FIGURE 10 7 SIMM Ejection Lever 8 Remove the SIMM from the socket see FIGURE 10 8 on page 10 19 9 Place the SIMM on an ESD mat Ejection lever to left Ejection lever to right Lef...

Page 111: ...ly sensitive to static electricity Ordinary amounts of static electricity from clothing or work environment can destroy the SIMM Caution Do not remove any SIMM from the antistatic container until read...

Page 112: ...identical SIMMs installed in paired sockets of any SIMM bank For best system performance install four identical SIMMs TABLE 10 1 identifies SIMM installation locations Caution Hold SIMMs only by the e...

Page 113: ...t power connector s See Section 6 2 To Power Off the System on page 6 3 3 Remove the top access cover See Section 7 2 To Remove the Top Access Cover on page 7 4 4 Remove the connector from the alarms...

Page 114: ...10 22 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 9 Removing and Replacing the Alarms Card 1125 Alarms card...

Page 115: ...7 1 2 Position the alarms card into the chassis 3 Lower the alarms card so that it touches the appropriate slot on the motherboard 4 At the two upper corners of the card push the card straight downwar...

Page 116: ...be used on the replacement motherboard remove the NVRAM TOD from the motherboard and install the same NVRAM TOD on the replacement motherboard after installation 10 7 1 To Remove the Motherboard Caut...

Page 117: ...d See Section 10 6 1 To Remove the Alarms Card on page 10 21 e PCI card s See Section 10 4 1 To Remove a PCI Card on page 10 13 f SIMMs See Section 10 5 1 To Remove a SIMM on page 10 17 6 Disconnect t...

Page 118: ...0 1125 Service Manual August 1998 Caution Handle the motherboard by the handle back panel or the edges only FIGURE 10 11 Removing and Replacing the Motherboard 2 10 Place the motherboard on an ESD mat...

Page 119: ...d serial port jumpers J2604 and J2605 TABLE 10 2 below and FIGURE 10 12 on page 10 29 Note Jumpers J2604 and J2605 can be set to either RS423 or RS232 serial interface The jumpers are preset for RS423...

Page 120: ...ver See Section 7 3 To Replace the Top Access Cover on page 7 6 9 Power on the system See Section 6 1 To Power On the System on page 6 2 10 Detach the wrist strap 11 Reset the power cycles NVRAM varia...

Page 121: ...dentified with location numbers Jumper pins are located immediately adjacent to the location number Pin 1 is marked with an asterisk in any of the positions shown FIGURE 10 13 Ensure that the serial p...

Page 122: ...10 30 Netra t 1120 1125 Service Manual August 1998...

Page 123: ...components A brief description of each listed component is also provided The part numbers listed in TABLE A 1 are correct as of the service manual publication date but are subject to change without n...

Page 124: ...A 2 Netra t 1120 1125 Service Manual August 1998 FIGURE A 1 System Exploded View 1 2 3 4 5 6 8 9 10 11 7 12 13 14...

Page 125: ...ual processor bracket 540 3809 Processor mounting bracket and fan 8 Alarms module 501 4669 Alarms applications 9 32Mbyte SIMM 501 2622 60ns 32Mbyte DSIMM 9 64Mbyte SIMM 501 2480 60ns 64Mbyte DSIMM 9 1...

Page 126: ...rive dark gray Not illustrated Peripheral cable 530 2345 Peripheral cable Not illustrated Filler panel 330 2187 CD ROM drive filler panel Not illustrated SCSI cable 530 2384 68 pin external SCSI cable...

Page 127: ...arts Physical specifications Electrical specifications Environmental requirements B 1 Physical Specifications TABLE B 1 Physical Specifications Specification Imperial Metric Width 17 13in 431 8mm Heig...

Page 128: ...ecifications Parameter Value DC input 48Vdc and 60Vdc nominal DC output 350W maximum Output 1 3 3Vdc 50A Output 2 5 0Vdc 35A Output 3 12 0Vdc 6 0A Output 4 12 0Vdc 1 0A Output 5 Prog 2 5V 28A TABLE B...

Page 129: ...um of 96 consecutive hours 5 to 55 C at a maximum of 1800m Error free operation of the tape streamer is from 0 C to 40 C Humidity 5 to 85 non condensing 1 5 to 90 for a maximum 96 hours 1 Subject to a...

Page 130: ...B 4 Netra t 1120 1125 Service Manual August 1998...

Page 131: ...ons for the Netra t 1120 1125 system unit motherboard connectors Connector pin assignments and signal descriptions are provided as well as an illustration of each connector C 1 Connector Layout FIGURE...

Page 132: ...control data is being sent RTS CTS SYNC and DCD must be ON for this line to be active 3 RxD Receive Data Used by the DCE in response to received data from the DTE 4 RTS Ready To Send Used by the DTE t...

Page 133: ...ansmit Clock Used by the DCE to provide timing information to the DTE The DTE provides data on TxD in which the transition of the bit corresponds to the rising edge of the clock 16 Not connected None...

Page 134: ...CE Used only in synchronous mode and only when the driver requests a locally generated clock Otherwise TxC echoes the modem generated clock The falling edge of the clock corresponds to the center of t...

Page 135: ...and TABLE C 2 lists the connector pin assignments Caution Connect only a TPE cable into TPE connector FIGURE C 3 TPE Socket TABLE C 2 TPE Connector Pin Assignments Pin Signal Name Description 1 tpe0 T...

Page 136: ...GURE C 4 illustrates the wide SCSI connector configuration and TABLE C 3 lists the connector pin assignments FIGURE C 4 Wide SCSI Connector Pin Configuration TABLE C 3 Wide SCSI Connector Pin Assignme...

Page 137: ...ermpower 18 Termpower Termpower 19 Not used Undefined 20 Gnd Ground 21 Gnd Ground 22 Gnd Ground 23 Gnd Ground 24 Gnd Ground 25 Gnd Ground 26 Gnd Ground 27 Gnd Ground 28 Gnd Ground 29 Gnd Ground 30 Gnd...

Page 138: ...1 Dat 1 _ Data 1 42 Dat 2 _ Data 2 43 Dat 3 _ Data 3 44 Dat 4 _ Data 4 45 Dat 5 _ Data 5 46 Dat 6 _ Data 6 47 Dat 7 _ Data 7 48 Par0 l_ Parity 0 49 Gnd Ground 50 Term_dis_ Term disable 51 Termpower Te...

Page 139: ...sy_ Busy 58 Ack_ Acknowledge 59 Rst_ Reset 60 Msg_ Message 61 Sel_ Select 62 Cd_ Command 63 Req_ Request 64 IO_ In Out 65 Dat 8 _ Data 8 66 Dat 9 _ Data 9 67 Dat 10 _ Data 10 68 Dat 11 _ Data 11 TABLE...

Page 140: ...4 lists each connector line assignment FIGURE C 5 Alarms Connector Configuration TABLE C 4 Alarm Connector Pin Assignments Pin Signal Name Pin Signal Name 1 RESET 9 ALARM1 COM 2 RESET 10 ALARM1 NC 3...

Page 141: ...nd TABLE B 9 lists the connector pin assignments FIGURE C 6 MII Connector Pin Configuration TABLE C 5 MII Connector Pin Assignments Pin Signal Name Description 1 Pwr Power 2 Mdio Management data I O 3...

Page 142: ...it data 2 17 Txd3 Transmit data 3 18 Col Collision detected 19 Crs Carrier sense 20 Pwr Power 21 Pwr Power 22 Gnd Ground 23 Gnd Ground 24 Gnd Ground 25 Gnd Ground 26 Gnd Ground 27 Gnd Ground 28 Gnd Gr...

Page 143: ...Appendix C Signal Descriptions C 13 35 Gnd Ground 36 Gnd Ground 37 Gnd Ground 38 Gnd Ground 39 Gnd Ground 40 Pwr Power TABLE C 5 MII Connector Pin Assignments Continued Pin Signal Name Description...

Page 144: ...C 6 Parallel Connector Pinouts Pin Description Pin Description 1 Data_Strobe_L 14 AFXN_L 2 Data0 15 ERROR_L 3 Data1 16 RESET_L 4 Data2 17 IN_L 5 Data3 18 Ground 6 Data4 19 Ground 7 Data5 20 Ground 8...

Page 145: ...SCSI C 6 TPE C 5 wide SCSI C 6 CPU module removing 10 2 replacing 10 4 D diag level variable default setting 3 4 maximum setting 3 4 minimum settiing 3 14 minimum setting 3 4 switch settings 3 1 disk...

Page 146: ...M diag level variable 3 4 NVRAM TOD removing 10 10 replacing 10 11 O ON STBY switch 6 2 removing 8 6 replacing 8 8 P parallel port connector C 14 pin configuration C 14 parity error 4 3 parts list ill...

Page 147: ...ory address 4 8 removing 10 17 replacing 10 19 row location 10 16 socket pair location 10 16 specifications B 1 electrical B 2 physical B 1 storage devices 9 1 SunVTS description 2 1 documentation 2 1...

Page 148: ...Index 4 Service Manual August 1998...

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