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IBM PS/2 Model CL57 SX HMS

How to Cancel the Power-On Password

¦ Copyright IBM Corp. 1992

1.4 - 3

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Содержание PS/2 CL57 SX

Страница 1: ...CL57 SX This pamphlet is intended to be used with the IBM Personal System 2 Hardware Maintenance Reference manual part number 15F2190 form number S15F 2190 00 and the IBM Personal System 2 Hardware Ma...

Страница 2: ...roduct s and or the program s described in this publication at any time It is possible that this publication may contain reference to or information about IBM products machines and programs programmin...

Страница 3: ...n 5 0 Power Supply 5 1 Checking the AC Adapter 5 2 Checking the Battery Packs 5 3 Checking the Backup Battery 6 0 Printer 7 0 LCD Panel 8 0 Keyboard 9 0 External Display Self Test 10 0 Memory 11 0 Sym...

Страница 4: ...protectible rights may be used instead of the IBM product program or service Evaluation and verification of operation in conjunction with other products programs or services except those expressly des...

Страница 5: ...ing terms denoted by an asterisk in this publication are trademarks of the IBM Corporation in the United States and or other countries IBM Personal System 2 IBM PS 2 Model CL57 SX HMS Trademarks and S...

Страница 6: ...e startup sequence might have been altered Be extremely careful during write operations such as copying saving or formatting Data or programs can be overwritten if you select an incorrect drive Tradem...

Страница 7: ...Configuration may alter those settings Note the current configuration settings using the View Configuration option and verify that the settings are in place when service is complete For more informat...

Страница 8: ...onsists of more than one FRU an error code may be caused by any of the FRUs Before replacing the adapter or device remove the FRUs one by one to see if the symptoms change IBM PS 2 Model CL57 SX HMS H...

Страница 9: ...isplayed begin the diagnosis with the first error code The cause of the first error code can result in false error codes being displayed If no error code is displayed see if the error symptom is liste...

Страница 10: ...ke sure the power control switch at the rear of the system is set to ON Go to Power Supply in topic 5 0 006 Power off the system and all external devices Check all cables and power cords Make sure no...

Страница 11: ...ymptom to FRU Index in topic 11 0 Yes No 011 You may have an intermittent problem Check for damaged cables and connectors Reseat all adapters drives and modules Start an error log and run the tests mu...

Страница 12: ...IBM PS 2 Model CL57 SX HMS How to Cancel the Power On Password Copyright IBM Corp 1992 1 4 3...

Страница 13: ...ion about configuration refer to the Hardware Maintenance Reference manual The protected partition on the hard disk or the Reference Diskette you are using does not contain the code required to suppor...

Страница 14: ...ce c IC DRAM card d Hard disk drive fixed disk drive or diskette drive e Communications cartridge f Any adapter and device 3 Power on the system and start the system program 4 Press Ctrl A to run the...

Страница 15: ...ed diagnostics System setup and diagnostic programs can be loaded from this partition by pressing and holding Ctrl Alt Delete and as soon as the cursor moves to the upper right corner of the display p...

Страница 16: ...he Main Menu 3 Select the Restore the system partition to load the system setup and utility programs and the customer and advanced diagnostics programs onto the system partition of the hard disk If th...

Страница 17: ...Adapter in topic 5 1 Checking the Battery Packs in topic 5 2 Checking the Backup Battery in topic 5 3 None of the above Follow the steps below 001 DID THE PROBLEM OCCUR ONLY WHEN USING THE AC ADAPTER...

Страница 18: ...g FRUs one at a time until the problem is corrected Indicator card System board Voltage converter 015 Suspect one of the devices Reinstall each of the devices to the system one at a time and power on...

Страница 19: ...voltage converter does not correct the problem go to Undetermined Problem in topic 3 0 Subtopics 5 1 Checking the AC Adapter 5 2 Checking the Battery Packs 5 3 Checking the Backup Battery IBM PS 2 Mod...

Страница 20: ...re the output voltages at the plug of the AC adapter cable Connect the minus lead of the volt ohm meter to pin 3 during the measurement PICTURE 3 Pin Voltage V dc 1 18 to 22 2 17 to 21 3 GND 4 Communi...

Страница 21: ...is less than 12 V dc the battery pack is discharged or defective If the voltage is more than 12 V dc go to the next step 2 Using a low power ohm meter measure the resistance at the battery terminals b...

Страница 22: ...board 3 Measure the voltage of the backup battery PICTURE 5 Wire Voltage V dc Red 2 5 to 3 7 Black Ground If the voltage is correct replace the system board If it is not the backup battery is discharg...

Страница 23: ...rvice manual If the printer self test runs correctly install a wrap plug on the parallel port and run the advanced diagnostics tests to determine which FRU failed If the advanced diagnostics tests wit...

Страница 24: ...missing or discolored dots causes viewing problems If the LCD panel displays nothing follow these steps to isolate the FRUs 1 Power off the system wait 10 seconds then power it on again 2 During the P...

Страница 25: ...properly attached to the connectors on the keyboard control card If you suspect a problem with any of the auxiliary input devices replace the device If that does not correct the problem replace the k...

Страница 26: ...osition 3 Check for the following conditions The screen should be white or light gray with a black margin as described below 8503 8512 8513 8514 2 20 mm 0 08 0 79 in wide on one or both sides 8506 2 5...

Страница 27: ...tep 007 005 Reinstall the IC DRAM card into slot 1 and run Automatic configuration Run the memory test Use the RUN TESTS ONE TIME option DID THE MEMORY TESTS END WITHOUT AN ERROR Yes No 006 Replace th...

Страница 28: ......

Страница 29: ...ur error symptoms in the first part of this index 4 Check all power supply voltages before you replace the system board See Power Supply in topic 5 0 5 If an error message is not listed there is a dev...

Страница 30: ...ons Cartridge before replacing any FRUs Hard Disk Drive Display Control Card Any options Power source when failing A no beep with a blinking cursor System Board Display Control Card Communications Car...

Страница 31: ...System Board One short beep and a blank LCD Panel unreadable or flashing display Display Control Card with no external display attached System Board See LCD Panel in topic 7 0 LCD Cable before replac...

Страница 32: ...ends without an System Board error Related Device Keyboard does not work Keyboard control card Keyboard Cable Numeric Keypad if used System Board One or more keys do not work Keyboard See Keyboard in...

Страница 33: ...r in topic 6 0 Serial or parallel port device Device problems Cable System Board Serial Adapter if attached I O Panel Assembly Internal Data Fax modem does not See the Internal Data Fax communicate wi...

Страница 34: ...in IC DRAM Card topic 2 0 Memory Module 000166XX Communications Cartridge 000171XX See Checking the Backup Battery in topic 5 3 System Board 000172XX System Board 00017300 See Checking the Backup Batt...

Страница 35: ...XX Printer See Printer in topic 6 0 before System Board replacing any FRUs 0024XX00 Display Control Card Voltage Converter 005002XX 005006XX Display Control Card 005008XX Voltage Converter External Di...

Страница 36: ...correct 1 Select Set features from the Main Menu 2 Select Set startup sequence 3 Check the list of devices on the screen I9990302 Make sure that an operating Operating system not found system is insta...

Страница 37: ...s that the quantity is not the same for all machines R Restricted indicates that the part has a restricted availability INDENTURE The indenture is marked by a series of dots located before the parts d...

Страница 38: ...13 0 System Overview PICTURE 7 IBM PS 2 Model CL57 SX HMS System Overview Copyright IBM Corp 1992 13 0 1...

Страница 39: ...mory Module Kit System Board 07G1879 24 System Board 07G1371 25 Switch Communications Cartridge 07G1385 26 Display Control Card 07G1372 27 I O Panel Assembly 07G1374 Bracket Connector 07G1402 Serial C...

Страница 40: ...ilt Swivel Stand 110 120 V ac 61X8924 220 240 V ac Northern Hemisphere 61X8928 220 240 V ac Southern Hemisphere 61X8927 Tilt Swivel Stand 61X8925 8513 Color Display with Tilt Swivel Stand 110 120 V ac...

Страница 41: ...t for 13F9979 France Germany Spain 4 Power Cord System Unit for 14F0069 Italy 5 Power Cord System Unit for 13F9940 Australia New Zealand 6 Power Cord System Unit for 13F9997 Denmark 7 Power Cord Syste...

Страница 42: ...Printed in the United States of America IBM PS 2 Model CL57 SX HMS Parts Copyright IBM Corp 1992 14 0 4...

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