IBM 6840GAU - NetVista A40 - 6840, Hardware Maintenance Manual

Page 1: ...Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271 IBM NetVista Computer...

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Page 3: ...Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271 IBM NetVista Computer...

Page 4: ...imers or express or implied warranties in certain transactions therefore this statement may not apply to you This publication could include technical inaccuracies or typographical errors Changes are p...

Page 5: ...ash Boot Block Recovery 30 Processor Speed Settings 30 System board memory 30 Installing memory 30 PCI extender card removal 31 Replacing a system board 31 Replacing a processor 32 Replacing the speak...

Page 6: ...ischarge sensitive devices 127 Safety inspection guide 127 Problem determination tips 129 File updates 129 Adding adapters to the system 130 Software considerations 130 BIOS 130 Drivers 130 Hardware c...

Page 7: ...ry count and checkpoint code display when a successful POST occurs do the following 1 Select Start Options in the Configuration Setup Utility program see Setup Utility program on page 7 2 Set Power On...

Page 8: ...ess Left Arrow or Right Arrow to change the setting 5 Select Automatic Hardware Power Management 6 Set Automatic Hardware Power Management to Disabled 7 If the problem persists continue to 003 003 Run...

Page 9: ...ams Internal drives v 3 5 inch 1 44 MB diskette drive v Internal hard disk drive v EIDE CD or DVD drive some models Video controller v Dynamic video memory technology v Accelerated graphics port AGP a...

Page 10: ...ftware This computer might come with preinstalled software If so an operating system device drivers to support built in features and other support programs are included Operating systems supported v M...

Page 11: ...imum 265 V ac Input frequency range 47 53 Hz Voltage switch setting 230 V ac Input kilovolt amperes kVA approximate Minimum configuration as shipped 0 08 kVA Maximum configuration 0 3 kVA Note Power c...

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Page 13: ...t POST POST Beep Codes Error Code Format v Diagnostics program v Recovery utility Full recovery Partial recovery v Repair utility Setup Utility program Attention A customized setup configuration other...

Page 14: ...s the Windows operating system and all device drivers v Repair This is the emergency repair utility and should not be used to install Windows components v System utilities 1 Run diagnostics 2 System i...

Page 15: ...in the test log See Viewing the test log on page 13 Test selection To select one or more tests use the following procedure 1 Open the corresponding test category 2 Using the cursor movement keys highl...

Page 16: ...t will take about 80 seconds per MB of memory and will detect marginal intermittent and solid stuck memory failures v Memory Test Quick The quick memory test will take about 20 seconds per MB of memor...

Page 17: ...e Smart test does the following v Interrogates IDE devices for support of the SMART instruction set v Issues a ENABLE SMART command to make sure SMART functionality is active v Checks the SMART RETURN...

Page 18: ...tation of completion status v Provides messages that warn the user about non recoverable process Important Make sure that all data is backed up before using the Quick or Full Erase functions To select...

Page 19: ...llowing situations v When you are installing software that requires a low level format v When you get recurring messages from the test programs directing you to run the Low Level Format program on the...

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Page 21: ...o adapter 25 ADSL modem 25 Home PNA network adapter 25 Replacing the cover 26 Input Output connectors 1 1 2 2 1 Power connector 10 Audio in connector 2 Mouse connector 11 Audio out connector 3 Keyboar...

Page 22: ...r toward the rear using the two embosses at the back of the cover 4 Remove the cover Internal drive removal and replacement 16 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271 I...

Page 23: ...ay 5 Max Height 25 4 mm 1 0 in Hard disk drive 6 Bay 6 Max Height 25 4 mm 1 0 in Hard disk drive 7 Bay 7 Max Height 25 4 mm 1 0 in Hard disk drive Installing internal drives in bays 1 2 3 and 4 1 Remo...

Page 24: ...ary master or secondary slave Refer to the drive connector labels or the figures below for the drive settings AUDIO IDE INTERFACE See Jumper Settings Below DC INPUT R G G L 5V G G 12V 39 40 1 2 CD ROM...

Page 25: ...Remove the side support bar 3 Remove the front EMC shield for the specific drive bay 4 Pivot the lower drive bay cage outward from the computer into the locked position Chapter 4 Installing Options 1...

Page 26: ...occupied drive bay 6 Press the tab that holds the cage in the open position and swing the cage back into operating position 7 Connect the cables to the drive 8 Connect the power and signal cables to t...

Page 27: ...imary master or secondary slave Note For drives not shown below refer to the label on the hard disk drive for the hard disk drive settings 1 Primary Master Hard Disk Drive 2 Secondary Slave Hard Disk...

Page 28: ...through the U bolt and around an object that is not a part of or permanently secured to the building structure or foundation and from which it cannot be removed then fasten the cable ends together wi...

Page 29: ...ing a Wake on LAN supported network adapter attach the Wake on LAN cable that came with the adapter to the Wake on LAN connector on the system board If you also want to take advantage of the Alert on...

Page 30: ...nnect the cables AGP adapter Some models come with a high performance AGP video adapter In some AGP adapters the DVI connector is replaced by a regular VGA connector 24 Hardware Maintenance Manual A40...

Page 31: ...l on the back of the ADSL modem and set the switch on the back of the ADSL modem to match the wiring scheme If you do not know which wiring scheme to use contact the user s ADSL service provider Home...

Page 32: ...over with the slots on the chassis 2 Slide the cover toward the front bezel of the computer until the cover is fully closed 3 Replace the two thumb screws and engage the keylock if any 26 Hardware Mai...

Page 33: ...settings 29 Clear CMOS Flash Boot Block Recovery 30 Processor Speed Settings 30 System board memory 30 Installing memory 30 PCI extender card removal 31 Replacing a system board 31 Replacing a process...

Page 34: ...Computer exploded view 28 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271 IBM NetVista Computer...

Page 35: ...er connector 9 Diskette connector 26 Audio output 10 Primary IDE connector 27 Audio input 11 Power connector 28 Serial port 2 12 CMOS clear recovery jumper 29 Microphone input 13 Fan connector 30 Moni...

Page 36: ...peed for type 2271 6840 6841 computers are fixed and are determined by the processor There are no settings required System board memory Installing memory When installing DIMMs the following rules appl...

Page 37: ...To do this you must run the Flash Update program using the Flash Update diskette See BIOS levels on page 87 Vital product data on page 86 and Flash BIOS VPD update procedure on page 88 2 Always ensure...

Page 38: ...system board jumper settings Replacing a processor Make sure the processor is fully seated in its socket and that the goal post latches are engaged Important 1 Make sure the fansink and air baffle if...

Page 39: ...llowing for proper installation v Power Cord v On Off Switch connector v On Off Switch Power Supply connector v System Board Power Supply connectors v Microprocessor s connection Reseat Check the powe...

Page 40: ...COM Ground 16 COM Ground 17 COM Ground 18 No voltage Not used 19 5 V 5 V dc 20 5 V 5 V dc If the voltages are not correct and the power cord is good replace the power supply Power supply removal 1 Re...

Page 41: ...4 Remove the power supply Chapter 5 FRU Replacements 35...

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Page 43: ...ex v Check all power supply voltages before you replace the system board see Power supply on page 33 v Check the hard disk drive jumper settings before you replace a hard disk drive see Hard disk driv...

Page 44: ...Hardware Maintenance Manual HMM to reference the memory sockets Hard disk drive boot error A hard disk drive boot error error codes 1962 and I999030X can have the following causes Error FRU Action Th...

Page 45: ...t block 3 System board 000 027 XXX BIOS Configuration Setup error 1 Run Setup 2 Flash the system 3 Boot block 4 System board 000 034 XXX BIOS Buffer Allocation failure 1 Reboot the system 2 Flash the...

Page 46: ...e 1 Flash the system 2 System board 001 000 XXX System Test Passed 1 No action 001 00X XXX System Error 1 System board 001 01X XXX System Error 1 System board 001 024 XXX System Addressing test failur...

Page 47: ...and or enabled 2 Re run test 3 Component that is called out in warning statement 4 Component under test 001 198 XXX System test aborted 1 If a component is called out make sure it is connected and or...

Page 48: ...X System IRQ12 failure 1 Device on IRQ12 2 System board 001 280 XXX System IRQ13 failure 1 Device on IRQ13 2 System board 001 281 XXX System IRQ14 hard disk drive failure 1 Hard disk drive cable 2 Har...

Page 49: ...005 027 XXX Video Configuration Setup error 1 Run Setup 2 Video drivers update 3 Video card if installed 4 System board 005 031 XXX Video Device Cable failure 1 Video cable 2 Monitor 3 Video card if...

Page 50: ...006 195 XXX Diskette interface Test aborted by user 1 Information 2 Re start the test if necessary 006 196 XXX Diskette interface test halt error threshold exceeded 1 Press F3 to review the log file 2...

Page 51: ...rt the test if necessary 011 196 XXX Serial port test halt error threshold exceeded 1 Press F3 to review the log file 2 Re start the test to reset the log file 011 197 XXX Serial port test warning 1 M...

Page 52: ...o review the log file 2 Re start the test to reset the log file 014 197 XXX Parallel port test warning 1 Make sure the component that is called out is connected and or enabled 2 Re run test 3 Componen...

Page 53: ...board 015 195 XXX USB port Test aborted by user 1 Information 2 Re start the test if necessary 015 196 XXX USB port test halt error threshold exceeded 1 Press F3 to review the log file 2 Re start the...

Page 54: ...and re test 3 Replace component under function test 018 250 XXX PCI Card Services error 1 PCI card 2 Riser card if installed 3 System board 020 000 XXX PCI Interface Test Passed 1 No action 020 0XX X...

Page 55: ...board 025 195 XXX IDE interface Test aborted by user 1 Information 2 Re start the test if necessary 025 196 XXX IDE interface test halt error threshold exceeded 1 Press F3 to review the log file 2 Re...

Page 56: ...og file 030 197 XXX SCSI interface test warning 1 Make sure the component that is called out is connected and or enabled 2 Re run test 3 Component that is called out in warning statement 4 Component u...

Page 57: ...terface Test Passed 1 No action 071 00X XXX 071 01X XXX 071 02X XXX Audio port error 1 Run Setup 2 Flash the system 3 System board 071 03X XXX Audio port failure 1 Speakers 2 Microphone 3 Audio card i...

Page 58: ...run test 3 Component that is called out in warning statement 4 Component under test 080 198 XXX Game Port interface test aborted 1 If a component is called out make sure it is connected and or enable...

Page 59: ...XX XXX Microprocessor failure 1 Microprocessor s 2 System board 089 195 XXX Microprocessor Test aborted by user 1 Information 2 Re start the test if necessary 089 196 XXX Microprocessor test halt erro...

Page 60: ...70 251 XXX Voltage Sensor s Voltage limit error 1 Power supply 2 System board 170 254 XXX Voltage Sensor s Voltage Regulator Module error 1 Voltage Regulator Module VRM 2 Microprocessor 3 System board...

Page 61: ...ion 201 XXX XXX System Memory error 1 Replace the memory module called out by the test 2 System board 202 000 XXX System Cache Test Passed 1 No action 202 XXX XXX System Cache error 1 Cache if removab...

Page 62: ...301 000 XXX Keyboard Test Passed 1 No action 302 000 XXX Mouse Test Passed 1 No action 302 XXX XXX Mouse error 1 Mouse 2 Check and test Keyboard 3 System board 303 000 XXX Joystick Test Passed 1 No a...

Page 63: ...or 1 System Board 1 2 X DMA error 1 System Board 1 3 X 1 Memory Module 2 System Board 1 4 4 1 Keyboard 2 System Board 1 4 X Error detected in first 64 KB of RAM 1 Memory Module 2 System Board 2 1 1 2...

Page 64: ...m Board Three short beeps during POST 1 See System board memory on page 30 2 System Board Continuous beep 1 System Board Repeating short beeps 1 Keyboard stuck key 2 Keyboard Cable 3 System Board No b...

Page 65: ...Type 2271 6840 6841 computers default to come up quiet no beep and no memory count and checkpoint code display when no errors are detected by POST To enable beep and memory count and checkpoint code...

Page 66: ...r 1 Processor 2 L2 Cache Memory 3 System Board 151 Real time clock failure 1 System Board 161 Bad CMOS battery 1 Run Setup 2 CMOS Backup Battery see Safety Information on page 125 3 System Board 162 C...

Page 67: ...Check Stepping level for the BIOS level needed then perform the flash update 2 Processor 168 Alert on LAN error 1 Run Setup Check to see that Ethernet and Alert on LAN are enabled 2 System Board 3 Ris...

Page 68: ...un Setup Check System Summary menu for memory See Setup Utility program on page 7 2 Run the Extended Memory Diagnostic tests 301 1 Keyboard 2 Keyboard Cable 3 System Board 303 With an 8603 error 1 Mou...

Page 69: ...Diskette Drive Cable 6 Power Supply 762 Math coprocessor configuration error 1 Run Setup 2 Processor 3 System Board 7XX Not listed above 1 Processor 2 System Board 962 Parallel port configuration erro...

Page 70: ...ard 1201 1 System Board 2 Any Serial Device 1202 1206 1208 1209 12XX 1 Dual Async Adapter A 2 System Board 3 Any Serial Device 1207 1 Communications Cable 2 Dual Async Adapter A 13XX 1 Game Adapter 14...

Page 71: ...e any suspect ISA adapters 4 Rerun diagnostics 5 PCI Adapter 1962 Boot sequence error 1 Possible hard disk drive problem see Hard disk drive boot error on page 38 209X 1 Diskette Drive 2 Diskette Cabl...

Page 72: ...rd 62XX 1 1st Store Loop Adapter 2 Adapter Cable 63XX 1 2nd Store Loop Adapter 2 Adapter Cable 64XX 1 Network Adapter 71XX 1 Voice Adapter 74XX 1 Video Adapter if installed 76XX 1 Page Printer Adapter...

Page 73: ...Run diagnostics and verify the correct operation of the modem slot 2 Modem 10119 1 Diagnostics detected a non IBM modem 2 Modem 10120 1 Check PSTN Cable 2 External DAA if installed 3 Modem 10132 10133...

Page 74: ...ostics 10470 10471 10472 Controller wrap error 1 Run diagnostics 10473 Corrupt data Low level format might be required Information only 10480 1 Hard Disk Drive ESDI 2 Drive Cable 3 System Board 10481...

Page 75: ...card 137XX 1 System Board 141XX 1 Realtime Interface Coprocessor Portmaster Adapter A 143XX 1 Japanese Display Adapter 2 System Board 3 Riser card 14710 14711 1 System Board Video Adapter 2 Adapter Vi...

Page 76: ...e Adapter A Image I Adapter A 2 Memory Module DRAM VRAM 200XX Not listed above 1 Image Adapter A 2 Image I Adapter A 3 Memory Module DRAM VRAM 4 System Board 5 Riser card 20101 to 20103 1 Printer Scan...

Page 77: ...are set to zero 1 Rotary Switch Circuit Board 2 Circuit Board Cable 3 Tape Drive Tape sticks or breaks in drive Verify that the tapes used meet ANSI standard X3B5 1 Tape Cassette 212XX 1 SCSI Printer...

Page 78: ...ard Adapter 27555 27556 1 ServerGuard Adapter 2 Power Supply 27557 1 7 2V NiCad Main Battery Pack 2 ServerGuard Adapter 27558 27559 27560 27561 1 PCMCIA Type II Modem 2 ServerGuard Adapter 27562 1 Ext...

Page 79: ...dapter 2 Ensure that the operating system settings are set to enable Wake on LAN 3 Ensure Wake On LAN feature is enabled in Setup Configuration see Setup Utility program on page 7 4 Ensure network adm...

Page 80: ...Board 3 LED Cables Printer problems 1 Printer Program loads from the hard disk with a known good diagnostics diskette in the first 3 5 inch diskette drive 1 Run Setup 2 Diskette Drive 3 Diskette Drive...

Page 81: ...me a Non IBM devices b External devices modem printer or mouse c Any adapters d Riser card e Memory modules Before removing or replacing memory modules see System board memory on page 30 f Extended vi...

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Page 83: ...Chapter 7 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Copyright IBM Corp 2000 77...

Page 84: ...44MB Diskette Drive Primary l0L6097 9 3 5 1 44MB Diskette Drive Optional 93F2361 9 3 5 1 44MB Diskette Drive Japan 6841 all 41H7675 9 3 5 1 44MB Diskette Drive Japan 75H9552 9 3 5 1 44MB Diskette Driv...

Page 85: ...P N TO 25P0834 6840 CAx C1U DTG 24P5784 18 PIII Coppermine 800MHz 100 Bus 800MHz 128Kb L2 Cache CO STEP LEVEL Flip Chip with Fansink 19K7160 Note OPTIONAL P N TO 24P5784 6840 CAx C1U DTG 25P0834 18 P...

Page 86: ...9827 DASD Rail Kit all 19K5331 Matrox G200LE Video Adapter 6840 DTG 06P3769 NVidia P09 32MB Video Adapter 2271 GAx GBx GCx 6840 GAx TAx VCC VCM VCV VCD 6841 GAx TAx VCJ 09N5033 NVidia AGP4 16MB Video...

Page 87: ...K5548 EMC Shield For 3 5 Bay all 19K4943 NVidia AGP4 32MB Video Adapter 10K1291 2271 EAx EBx ECx CABLE HARDFILE ATA 37L4525 Keyboards PCNext Lite Pearl White US English 37L2514 French Canadian 058 37L...

Page 88: ...440 37L2543 UK English 37L2544 Yugoslavian 37L2545 UK English ISO 37L2546 Japanese 37L2547 Chinese 37L2548 Korean 28L1860 Thai 37L2550 82 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i...

Page 89: ...1 US English 93F2364 UK Ireland 14F0033 Yugoslavian 1339520 Chile 14F0069 Argentina Paraguay Uruguay 36L8880 Recovery CDs Machine Type 6840 6841 ME AE Recovery CD 32P4235 ME AP Recovery CD 32P4225 ME...

Page 90: ...32P4256 Win 2000 CNR GR Recovery CD 32P4257 Win 2000 CNR HU Recovery CD 32P4269 Win 2000 CNR IT Recovery CD 32P4259 Win 2000 CNR LA sp Recovery CD 32P4258 Win 2000 CNR NL Recovery CD 32P4264 Win 2000...

Page 91: ...ware related passwords v Power on Password v Administrator Password v Operating System Password Power on and Administrator passwords are set in the Setup Utility program See Setup Utility program on p...

Page 92: ...volatile memory on the system board After you replace the system board the VPD must be updated To update the VPD see Flash BIOS VPD update procedure on page 88 Management Information Format MIF Manage...

Page 93: ...LAN events are configured to be Enabled or Disabled from the LAN server only and not from the computer See the LAN administrator for configuration status information BIOS levels An incorrect level of...

Page 94: ...a Flash BIOS recovery using the recovery jumper use the following procedure 1 Power off the computer and remove the cover 2 Move the system board recovery jumper to the clear position Refer to A40 A40...

Page 95: ...check the documentation supplied with the monitor to see if it supports Display Power Management Signaling DPMS Automatic Hardware Power Management features Automatic Hardware Power Management can red...

Page 96: ...y program press Esc and follow the instructions on the screen Automatic Power On features The Automatic Power On features within the Power Management menu allow you to enable and disable features that...

Page 97: ...figuration Setup Utility program menu 6 Before you exit from the program select Save Settings from the Configuration Setup Utility program menu 7 To exit from the Configuration Setup Utility program p...

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Page 99: ...ersonal Computer products Use this manual along with advanced diagnostic tests to troubleshoot problems effectively Before servicing an IBM product be sure to review the Safety notices multi lingual t...

Page 100: ...ea atentamente todas las declaraciones de precauci n y peligro ante de llevar a cabo cualquier operaci n 94 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271 IBM NetVista Compute...

Page 101: ...ding adapters to the system 130 Software considerations 130 BIOS 130 Drivers 130 Hardware considerations 131 System resource conflicts 132 Miscellaneous Information 134 Acronyms Abbreviations and Term...

Page 102: ...erything OFF 2 First remove power cord s from outlet 3 Remove signal cables from receptacles 4 Remove all cables from devices Note In the UK by law the telephone cable must be connected after the powe...

Page 103: ...um battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not v Throw or immerse in...

Page 104: ...sure to hazardous laser radiation There are no serviceable parts inside the CD ROM drive Do not remove the CD ROM drive covers DANGER Some CD ROM drives contain an embedded Class 3A or Class 3B laser...

Page 105: ...32 kg 70 5 lbs 55 kg 121 2 lbs CAUTION Use safe lifting practices when lifting your machine Chapter 10 Related Service Information 99...

Page 106: ...y or equipment damage disconnect the attached power cords telecommunications systems networks and modems before you open the server covers unless instructed otherwise in the installation and configura...

Page 107: ...o tocar duas superf cies com potenciais el tricos diferentes A corrente el trica proveniente de cabos de alimenta o de telefone e de comunica o perigosa Para evitar choques el tricos conecte e descone...

Page 108: ...o mesmo tipo de m dulo produzido pelo mesmo fabricante A bateria cont m l tio e pode explodir se n o for utilizada manuseada e descartada de forma adequada N o v Jogue ou coloque na gua v Aque a a mai...

Page 109: ...pode resultar em exposi o a radia o perigosa de laser N o existem pe as que possam ser consertadas no interior da unidade de CD ROM N o remova as tampas da unidade de CD ROM PERIGO Algumas unidades de...

Page 110: ...70 5 lbs 55 kg 121 2 lbs Cuidado Utilize pr ticas seguras para levantamento de peso ao levantar sua m quina 104 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271 IBM NetVista Co...

Page 111: ...sa Para evitar ferimentos pessoais ou danos aos equipamentos desconecte os cabos de alimenta o sistemas de telecomunica o redes e modems antes de abrir as tampas do servidor a menos que receba outras...

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Page 116: ...ou les cordons t l phoniques et d alimentation peut tre dangereux Pour viter tout risque de choc lectrique lorsque vous installez ou que vous d placez le pr sent produit ou des p riph riques qui lui s...

Page 117: ...la r glementation en vigueur Attention Si une unit de CD ROM est install e prenez connaissance des informations suivantes Pour viter tout risque d exposition au rayon laser respectez les consignes de...

Page 118: ...gereux Pour votre s curit et celle de l quipement avant de retirer les carters du serveur mettez celui ci hors tension et d connectez ses cordons d alimentation ainsi que les c bles qui le relient aux...

Page 119: ...erschiedlichem elektrischem Potential zu vermeiden Elektrische Spannungen von Netz Telefon und Daten bertragungsleitungen sind gef hrlich Um einen Stromschlag zu vermeiden nur nach den Anweisungen arb...

Page 120: ...e folgendes Steuer und Einstellelemente sowie Verfahren nur entsprechend den Anweisungen im vorliegenden Handbuch einsetzen Andernfalls kann gef hrliche Laserstrahlung auftreten Das Entfernen der Abde...

Page 121: ...Spannungen anliegen Um eine Gef hrdung des Benutzers oder Besch digung des Ger ts zu vermeiden ist der Server auszuschalten Die Verbindung zu den angeschlossenen Netzkabeln Telekommunikationssystemen...

Page 122: ...fici a diverso potenziale elettrico La corrente elettrica circolante nei cavi di alimentazione del telefono e di segnale pericolosa Per evitare scosse elettriche collegare e scollegare i cavi come des...

Page 123: ...2 97 e successive disposizioni nazionali e locali Attenzione Quando installata un unit CD ROM notare quanto segue L utilizzo di controlli regolazioni o l esecuzione di procedure on descritti nel pres...

Page 124: ...e pericolosa Per evitare situazioni pericolose per le persone o danneggiamenti all apparecchiatura scollegare i cavi di alimentazione i sistemi di telecomunicazioni le reti e ed i modem prima di aprir...

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Page 128: ...trico La corriente el ctrica de los cables de comunicaciones tel fono y alimentaci n puede resultar peligrosa Para evitar una posible descarga siga las indicaciones de conexi n y desconexi n de los ca...

Page 129: ...ci n Cuando instale una unidad de CD ROM tenga en cuenta la siguiente informaci n Si se llevan a cabo controles o ajustes o se utilizan m todos que no se atengan a lo aqu especificado se puede produci...

Page 130: ...e resultar peligrosa Para evitar posibles lesiones o da os del aparato desconecte los cables de alimentaci n los sistemas de telecomunicaciones las redes y los m dems antes de abrir las cubiertas del...

Page 131: ...nsure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it v Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip app...

Page 132: ...approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the...

Page 133: ...double insulated or battery operated system You can use coax or connector outside shells on these systems Use the round ground prong of the ac plug on ac operated computers v Use the black side of a g...

Page 134: ...or worn 4 Remove the cover 5 Check for any obvious non IBM alterations Use good judgment as to the safety of any non IBM alterations 6 Check inside the unit for any obvious unsafe conditions such as...

Page 135: ...ailing v Is this the original reported failure Important To eliminate confusion systems are considered identical only if the following are exactly identical for each system 1 Machine type and model 2...

Page 136: ...is true v Hardware diagnostics run error free v Swapping hardware components fails to isolate the problem A software problem might be the result of a mismatch between the hardware and the operating sy...

Page 137: ...Use the following tools to help identify and resolve hardware related problems v Power on self test POST v POST Beep codes v Test programs v Error messages POST does the following operations v Checks...

Page 138: ...n a priority basis low numbers have the highest priority v Queues interrupt request IRQ conflicts occur when there are multiple assignments to the same interrupt level If there is an IRQ conflict the...

Page 139: ...same memory area will cause a failure This failure might appear as a hardware failure The IRQ levels DMA channels I O address and ROM and RAM addresses all become potential conflicts and system proble...

Page 140: ...Association CSD Corrective Service Diskette DASD Direct Access Storage Device hard disk DMA Direct Memory Access DRAM Dynamic Random Access Memory ECA Engineering Change Announcement ECC Error Correc...

Page 141: ...Access Memory read write RGB Red Green Blue refer to monitors RIPL Remote Initial Program Load ROM Read Only Memory SASD Sequential Access Storage Device Tape SCB Subsystem Control Block SCSI Small Co...

Page 142: ...____ ___________________________________________________________________________ 2 What would you like to see added changed or deleted in this manual __________________________________________________...

Page 143: ...ce most ___________________________________________________________________________ ___________________________________________________________________________ Thank you for your response Chapter 10 R...

Page 144: ...gram or service may be used instead of the IBM product program or service The evaluation and verification of operation in conjunction with other products except those expressly designated by IBM are t...

Page 145: ...redictive Failure Analysis Rapid Resume RETAIN SelectaSystem ScrollPoint Skill Dynamics SystemView SystemXtra ThinkPad TrackPoint TrackPoint II Wake on LAN XGA ActionMedia Celeron LANDesk MMX Pentium...

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Page 148: ...Part Number 06P1775 Printed in USA 1P P N 06P1775...