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IBM ValuePoint 6472 Hardware Maintenance Manual Supplement - Symptom-to-Fru Index

Manual is about: IBM ValuePoint Hardware maintenance manual supplement

Summary of ValuePoint 6472

  • Page 1

    Valuepoint hardware maintenance manual supplement april 1994 types 6472, 6482, 6484, 6492, and 6494 this package contains a supplement to the ibm ps/valuepoint hardware maintenance manual (part number 71g5388, form number s61g-1423-01). Insert this package in the back of the manual. (align the pages...

  • Page 3

    Model 64xx service information this supplement contains a general checkout and diagnostic test procedure, a symptom-to-fru index, procedures for isolating problems to a fru, a parts catalog, system specifications, a system board layout, exploded views, and a 64xx computer features table for the ibm ...

  • Page 4

    How to install 64xx processors install all model 64xx processors with the bevelled corner located at the front-left corner of the processor socket. Important if the processor is not installed correctly, the system board and the processor will be damaged. How to diagnose 64xx system boards with 486dx...

  • Page 5: General Checkout

    General checkout 001 – power-off the computer and all external devices. – check all cables and power cords. – make sure there are no diskettes in the drives. – power-on all external devices. – power-on the computer. Note: you can press esc to speed through the memory count when the system is first p...

  • Page 6

    (continued) 008 (continued) did the computer boot from the diagnostic diskette and did the ibm hardware diagnostic logo screen appear? Yes no 009 go to “symptom-to-fru index” on page 12 in this supplement. 010 – select test the system. – press enter. – if you need to create a formatted test diskette...

  • Page 7

    Did the tests identify a failure? Note: if the test stops and you cannot continue, replace the last device tested. Yes no 016 check the “symptom-to-fru index” on page 12 in this supplement for any post error or other error symptom you might have. If your error symptom is not listed, go to “undetermi...

  • Page 8: Undetermined Problem

    Undetermined problem check the power supply voltages (see “power supply” on page 6 in the ps/valuepoint hardware maintenance manual). If the voltages are correct, return here and continue with the following steps: 1. Power-off the computer. 2. Remove or disconnect the following, one at a time: a. No...

  • Page 9: Display

    Display if the screen is rolling, replace the display assembly. If that does not correct the problem, replace the system board. If the screen is not rolling, do the following to run the display self-test: note: the following test does not work on all valuepoint displays. If the test does not work, b...

  • Page 10: Installed Devices List

    Installed devices list follow the instructions on the screen for the installed devices list. Warning: a customized setup configuration (other than default settings) might exist on the computer you are servicing. Running the configuration utility program might alter those settings. Note the current c...

  • Page 11: Memory

    Memory 001 – power-off the computer. – insert the diagnostics diskette into drive a. – power-on the computer. – make a note of any post errors you receive. Disregard 164 errors (memory size). Did you receive a 2xx post error? Yes no 002 did the computer boot from the diagnostic diskette and did the ...

  • Page 12

    (continued) 007 press esc to continue. – select “test the system.” run the memory tests. (use the run tests one time option.) if you cannot run the memory test or the test does not find a problem, replace the memory modules, one at a time, until the problem goes away. Refer to “computer memory” on p...

  • Page 13: Computer Memory

    Computer memory four 72-pin connectors are available to add memory modules. Memory modules supported are 4mb, 8mb, 16mb, and 32mb with a maximum of 128mb. Memory module speed supported is 70 ns. Notes: 1. Qaplus/win for valuepoint and most applications do not recognize more than 64mb of memory. 2. A...

  • Page 14: Symptom-to-Fru Index

    Symptom-to-fru index the symptom-to-fru index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with “general checkout” on page 3 in this supplement. This index can also be used to help you decide which frus to have available when servicing a computer. If ...

  • Page 15

    Model 64xx beep code index important in the following beep code index, the numbers indicate the sequence and number of beeps. For example, a “2-3-2” error symptom (a burst of two beeps, three beeps, then a burst of two beeps) indicates a memory module problem. (continue with the symptom-to-fru index...

  • Page 16

    Symptom/error fru/action three short beeps during post see “computer memory” on page 11 in this supplement. System board continuous beep system board repeating short beeps keyboard (stuck key?) keyboard cable system board changing colors display intensity or color varies from left to right of charac...

  • Page 17

    Symptom/error fru/action serial or parallel port device failure (system board port) external device self-test ok? External device cable system board serial or parallel port device failure (adapter port) external device self-test ok? External device cable alternate adapter system board riser card som...

  • Page 18

    Symptom/error fru/action 303 (with no 8603 error) keyboard keyboard cable system board 305 system board keyboard keyboard cable mouse 3xx (not listed above) keyboard keyboard cable system board 604 (and unable to run diagnostics) diskette drive a diskette drive cable system board 604 (and able to ru...

  • Page 19

    Symptom/error fru/action 17x0 (1st disk drive) 17x1 (2nd disk drive) 17x2 (3rd disk drive) 17x3 (4th disk drive) see “power supply” on page 6 in the ps/valuepoint hardware maintenance manual. Hard disk drive system board hard disk cable power supply 209x diskette drive diskette cable 16-bit at fast ...

  • Page 20: Type 6472 Parts

    Type 6472 parts 1 2 3 4 5 6 7 8 9 10 11 12 18 valuepoint hmm - april 1994.

  • Page 21: Type 6482, 6484 Parts

    Type 6482, 6484 parts 1 2 3 4 5 6 7 8 9 10 11 12 model 64xx service information 19.

  • Page 22: Type 6492, 6494 Parts

    Type 6492, 6494 parts 1 2 3 4 5 7 8 10 11 12 13 14 9 15 16 17 20 valuepoint hmm - april 1994.

  • Page 23

    64xx parts listing note: not all parts in this listing apply to all countries. (r) indicates restricted parts. Index system unit 1 top cover assembly (6472) 92f0414 1 top cover assembly (6482, 6484) 92f0410 1 top cover assembly (6492, 6494) 61g2169 logo (r) 06h3159 power button (6472, 6482, 6484) 61...

  • Page 24

    Index dasd 6 5.25-in. 1.2mb diskette drive (optional) 82g1824 11 3.5-in. 1.44mb diskette drive 93f2361 11 3.5-in. 2.88mb diskette drive 82g1887 3.5-in. Blank drive bezel (6472, 6482, 6484) 92f0419 3.5-in. Blank drive bezel (6492, 6494) 06h3201 3.5-in. Tray / riser support (6472) 61g2175 3.5-in. Tray...

  • Page 25

    Communication adapters ethernet adapter (twisted pair) 92f0386 ethernet adapter (coaxial) 92f0387 token ring adapter 03f0212 keyboard cable and mouse keyboards keyboard cable assembly 0.9 m (3 ft.) 61x8898 keyboard parts kit 33f8174 mouse 33g5420 mouse (6381, 6384 p60/d, 64xx) 96f9258 — mouse ball a...

  • Page 26

    Displays 6312 color display 6314 color display 6317 color display 6319 color display 6321 color display 6324 color display 6325 color display 6327 color display 90/137 v ac (u.S. And canada) 39g3321 180/264 v ac (northern hemisphere) 39g3322 180/264 v ac (equatorial) 39g3323 180/264 v ac (southern h...

  • Page 27: Special Tools

    Power cords arabic countries 14f0033 australia 93f2365 belgium 13f9979 bulgaria 13f9979 canada 93f2364 czechoslovakia 13f9979 denmark 13f9997 finland 13f9979 france 13f9979 germany 13f9979 hungary 13f9979 israel 14f0087 italy 14f0069 latin-america 93f2366 netherlands 13f9979 new zealand 93f2365 norw...

  • Page 28: Product Description

    Product description type 6472 computers contain three drive bays and three i/o adapter card slots. Type 6482 computers contain five drive bays and five i/o adapter card slots. Type 6484 computers contain five drive bays and four i/o adapter card slots. Type 6492 computers contain six drive bays and ...

  • Page 29: Power-On Password

    The 250w power supply has an additional pci riser connector. When the computer is powered off for 15 seconds or more and then powered on, the power supply generates a “power good” signal that resets the computer logic. Cables – two signal cables for hard disk drives and one signal cable for diskette...

  • Page 30: Specifications (6472)

    Specifications (6472) (minimum configuration) system unit size: width: 360 mm (14.2 in.) depth: 420 mm (16.5 in.) height: 122 mm (4.8 in.) system unit weight: 8.1 kg (17.8 lb) environment: temperature (system unit and display) – power on: 10 to 32 degrees c (50 to 90 degrees f) – power off: 10 to 43...

  • Page 31

    Specifications (6482, 6484) (minimum configuration) system unit size: width: 404 mm (15.9 in.) depth: 420 mm (16.5 in.) height: 147 mm (5.8 in.) system unit weight: 9.7 kg (21.4 lb) environment: temperature (system unit and display) – power on: 10 to 32 degrees c (50 to 90 degrees f) – power off: 10...

  • Page 32

    Specifications (6492, 6494) (minimum configuration) system unit size: width: 187 mm (7.4 in.) depth: 429 mm (16.9 in.) height: 413 mm (16.3 in.) system unit weight: 11.4 kg (25 lb) environment: temperature, system unit and display – power on: 10 to 32 degrees c (50 to 90 degrees f) – power off: 10 t...

  • Page 33

    Hard disk drive specifications size (mb) 170 270 270 340 364 bytes/sector sectors/track cylinders heads 512 34 984 10 512 40 944 14 512 40 944 14 512 55/48 1010/ 872 6/16 512 48 929 16 rotate speed (rpm) 3600/ 3551 4500 4500 3322/ 3600 4500 transfer rate (mb/sec) 13.3/ 9.0 30-44/ 24-46 66/48 17-30/ ...

  • Page 34: Power-On Self Test

    Diagnostics and test information the following information is helpful when diagnosing computer problems on types 6472, 6482, 6484, 6492, and 6494. Power-on self test each time you power-on the computer, the power-on self test (post) is initiated. The post takes up to 90 seconds to complete, dependin...

  • Page 35: Diagnostics Diskette

    Diagnostics diskette important use the valuepoint advanced diagnostics diskette type 5 for all models in this supplement. For systems preloaded with windows, qaplus/win for valuepoint is available in the windows environment as an additional diagnostic aid. The diagnostics program is intended to test...

  • Page 36: 64Xx Diagnostic Menus

    64xx diagnostic menus the following menus are available in the advanced diagnostics tests. Diagnostic diskette main menu: this menu appears each time the diskette is loaded. à ð diagnostic diskette main menu 1 - test the system 2 - create test diskette 3 - backup hardware diagnostic diskette 4 - dis...

  • Page 37

    System checkout: this menu appears if the computer options are correctly set. à ð system checkout 1 - run tests one time 2 - run tests multiple times 3 - start error log 4 - end error log press esc to exit or select a number and press enter. á ñ 1 - run tests one time: takes you to the diagnostic te...

  • Page 38

    Diagnostic test select menu: this menu allows you to select the hardware components to test. à ð diagnostic test select menu instructions: - to select (\) or bypass ( ) a test, type the test number and press enter. - to run selected (\) tests, press enter. (\) 1 processor unit (\) 2 system board (\)...

  • Page 39

    Diskette test select menu: this menu allows you to test the diskette drives and the control logic on the system board. à ð diskette test select menu 1 - seek test 2 - write, read, compare test 3 - verify diskette test 4 - speed test 5 - diskette change test press esc to exit or select a number and p...

  • Page 40

    Hard disk drive test select menu: this menu allows you to test the hard disk drive and the integrated controller. à ð hard disk drive ð hard disk drive test select menu 1 - self-diagnostics 2 - seek test 3 - write, read, compare (on test cylinder) 4 - error detection and correction 5 - run tests 1 t...

  • Page 41

    Formatting a hard disk drive: hard disk drives normally contain tracks in excess of their stated capacity to allow for defective tracks. The user is notified by a diagnostic message when the defect limit has been reached and service is recommended. The diagnostics format program is different from th...

  • Page 42

    Formatting procedure: before replacing a failing hard disk drive, try to format it as follows: 1. Power-off the computer. Check that the hard disk drive cable is tightly connected. 2. Insert the diagnostics diskette into drive a. 3. Power-on the computer. 4. Press 1 (test the system), then press ent...

  • Page 43

    Video test select menu: this menu allows you to test the svga displays and control logic on the system board. à ð video test select menu 1 - svga/video memory test 2 - text mode tests 3 - screen paging test 4 - run tests 1 through 3 5 - vga graphics mode test menu 6 - svga graphics mode test menu 7 ...

  • Page 44: Error Log

    Error log use the following steps to create an error log, run the diagnostic tests, and automatically record any error messages in an error log. This procedure is normally used to diagnose an intermittent problem. Notes: 1. The errors can be logged to a diskette drive, to a hard disk drive, or to a ...

  • Page 45

    Displaying the error log 1. Depending on the options installed in the computer, questions about attached devices appear on the screen. Answer as required, then press enter. 2. From the system checkout menu, press esc. 3. Press 4 (display error log), then press enter. 4. Press a, b, c, d, e, or f (en...

  • Page 46

    Hard disk drive jumper settings hard disk drives for valuepoint computers use jumpers or tabs to set the drives as primary or secondary. Match your hard disk drive to one of the following figures. Set the first drive as the primary (master) drive .1/ . If a second drive is installed, set it as the s...

  • Page 47

    Computer exploded view (6472) model 64xx service information 45.

  • Page 48

    Computer exploded view (6482, 6484) 46 valuepoint hmm - april 1994.

  • Page 49

    Computer exploded view (6492, 6494) model 64xx service information 47.

  • Page 50: 64Xx System Board

    64xx system board 33 34 37 32 35 38 39 40 41 31 36 figure 1. 64xx 48 valuepoint hmm - april 1994.

  • Page 51

    64xx system board .1/ video port .2/ parallel port .3/ serial port (comm b) .4/ serial port (comm a) .5/ mouse port .6/ keyboard port .7/ battery .8/ riser connector .9/ irq1 & irq2 .1ð/ power supply connector .11/ diskette drive cable connector .12/ hard disk drive cable connector .13/ hard disk dr...

  • Page 52

    64xx memory module—72 pin figure 2 (part 1 of 2). 64xx memory module—72 pin pin signal name i/o 1 ground 2 simmd0 i/o 3 simmd16 i/o 4 simmd1 i/o 5 simmd17 i/o 6 simmd2 i/o 7 simmd18 i/o 8 simmd3 i/o 9 simmd19 i/o 10 + 5 v dc i 11 casp i 12 ma0 i 13 ma1 i 14 ma2 i 15 ma3 i 16 ma4 i 17 ma5 i 18 ma6 i ...

  • Page 53

    64xx memory module—72 pin figure 2 (part 2 of 2). 64xx memory module—72 pin pin signal name i/o 37 mp1 i 38 mp3 i 39 ground i 40 bcas0 i 41 bcas2 i 42 bcas3 i 43 bcas1 i 44 ras0 i 45 ras1 i 46 bs1 i 47 awe i 48 open 49 simmd8 i/o 50 simmd24 i/o 51 simmd9 i/o 52 simmd25 i/o 53 simmd10 i/o 54 simmd26 ...

  • Page 54

    Model 64xx computer features notes: 1. In the following table, dd refers to diagnostic diskette type, s/b refers to slots and bays. 2. Multi-media models are designated with “mm” in the far-right column. 3. Os/2 * models are designated with “os/2” in the far-right column. All other models (with a ha...

  • Page 55

    Model 64xx service information 53.

  • Page 56

    P/n 83g7790 printed in u.S.A. 54 valuepoint hmm - april 1994.