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- Insert your advanced diagnostics diskette.

- Press Ctrl+Alt+Del and check for the following responses:

1. One or two short beeps.

2. IBM logo screen appears.

DID YOU RECEIVE BOTH RESPONSES?

Yes No

¦ ¦

¦ +---+

¦ ¦011¦

¦ +---+

¦ Go to "Symptom-to-FRU Index" in topic 13.0.

¦ If that does not correct the problem, go to "Undetermined Problem" in

¦ topic 2.0.

+---+

¦012¦

+---+

- Select Test the System.

- Select System Checkout.

If the system has incorrect keyboard responses, go to "Keyboard" in

topic 6.0.

If the printer has incorrect responses, go to "Printer" in

topic 7.0.

If the display has problems such as jittering, rolling, shifting, or

being out-of-focus, go to "Display" in topic 4.0.

IS THE LIST OF INSTALLED DEVICES CORRECT?

Yes No

¦ ¦

¦ +---+

¦ ¦013¦

¦ +---+

¦ Go to "Installed Devices List" in topic 5.0.

¦ If that does not resolve the problem, continue with Step 015.

+---+

¦014¦

+---+

- Run the advanced diagnostic tests.

DID THE TESTS IDENTIFY A FAILURE?

Note: If the test stops and you cannot continue, replace the last device

tested.

Yes No

¦ ¦

¦ +---+

¦ ¦015¦

¦ +---+

¦ Check the "Symptom-to-FRU Index" in topic 13.0 for any POST error or

¦ other error symptom you might have. If your error symptom is not

¦ listed, go to "Undetermined Problem" in topic 2.0.

¦ If you cannot find a problem, it may be intermittent:

¦ Check for damaged cables and connectors.

¦ Reseat all adapters, drives, and modules.

¦ Check the system unit fan for proper operation.

¦ Start an error log and run the tests multiple times. (Use a

¦ DOS-formatted diskette.)

+---+

¦016¦

+---+

Follow the instructions on the display.

If that does not correct the problem, go to "Symptom-to-FRU Index" in

topic 13.0.

--------------------------------------------------------------------------

IBM PS/2 Model 25 SX HMR

How to Disable the Power-on Password

¦ Copyright IBM Corp. 1992

1.3 - 2

Содержание PS/2 25 SX

Страница 1: ... System 2 Model 25 SX This pamphlet is intended to be used with the IBM Personal System 2 Hardware Maintenance Reference manual part number 15F2190 form number SBOF 3989 0 and the Hardware Maintenance Service manual part number 15F2200 form number SBOF 3988 0 Part Number 10G6610 Form Number S10G 6610 00 IBM PS 2 Model 25 SX HMR Copyright IBM Corp 1992 FRONT 1 ...

Страница 2: ... the product 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 programming or services that are not announced in your country Such references or information must not be construed to mean that IBM intends to announce such IBM products programming or services in your c...

Страница 3: ...rification of operation in conjunction with other products programs or services except those expressly designated by IBM are the user s responsibility IBM may have patents or pending patent applications covering subject matter in this document The furnishing of this document does not give you any license to these patents You can send license inquiries in writing to the IBM Director of Commercial R...

Страница 4: ...face to protect the part removed from the product The mat may not be required for a simple insertion The mat may be used as a ESD protective container for swapping parts between machines The mat should be used with the BLACK side up The ESD ground clip can be attached to any frame ground ground braid or green wire ground For products that are double insulated or battery operated an ESD common grou...

Страница 5: ...pply Voltages 4 0 Display 5 0 Installed Devices List 6 0 Keyboard 7 0 Printer 8 0 Memory 9 0 Hard Disk Drive Jumper Settings 9 1 40MB or 80MB Hard Disk Drive 10 0 Token Ring Data Rate Switch Settings 11 0 Testing the Ethernet Adapter 11 1 RPL Error Conditions for Ethernet 12 0 Testing the Token Ring Adapter 13 0 Symptom to FRU Index 14 0 Parts 14 1 How To Use The Parts Catalog 14 2 Example of a Pa...

Страница 6: ...r modified options can give false errors and invalid system responses Trademark of the International Business Machines Corporation Subtopics 1 1 How to Diagnose Combined FRUs 1 2 How to Use Error Messages 1 3 How to Disable the Power on Password IBM PS 2 Model 25 SX HMR General Checkout Copyright IBM Corp 1992 1 0 1 ...

Страница 7: ...s Before replacing the adapter or device remove the FRUs one by one to see if the symptoms change If you are instructed to replace the system board and that does not correct the problem replace the bus adapter and reinstall the original system board IBM PS 2 Model 25 SX HMR How to Diagnose Combined FRUs Copyright IBM Corp 1992 1 1 1 ...

Страница 8: ... is displayed diagnose the first error code first The cause of the first error code can cause false error codes to be displayed If you did not receive any error code see if the error symptom is listed in the Symptom to FRU Index in topic 13 0 IBM PS 2 Model 25 SX HMR How to Use Error Messages Copyright IBM Corp 1992 1 2 1 ...

Страница 9: ...et Adapter in topic 11 0 If the error is 166XX go to Symptom to FRU Index in topic 13 0 If you suspect any other Token Ring network problem go to Testing the Token Ring Adapter in topic 12 0 For any other error go to Step 010 005 Insert your advanced diagnostics diskette Press Ctrl Alt Del and check for the following responses 1 One or two short beeps 2 IBM logo screen appears DID YOU RECEIVE BOTH...

Страница 10: ...s List in topic 5 0 If that does not resolve the problem continue with Step 015 014 Run the advanced diagnostic tests DID THE TESTS IDENTIFY A FAILURE Note If the test stops and you cannot continue replace the last device tested Yes No 015 Check the Symptom to FRU Index in topic 13 0 for any POST error or other error symptom you might have If your error symptom is not listed go to Undetermined Pro...

Страница 11: ...n IBM devices b External devices modem printer or mouse c Math coprocessor d Any adapters e Bus adapter f Memory module kit g Hard disk drive fixed disk drive cable h Diskette drive cable 3 Power on the system 4 Repeat steps 1 through 3 until you find the failing device or adapter If all devices and adapters have been removed and the problem continues replace the system board IBM PS 2 Model 25 SX ...

Страница 12: ... voltage If these are correct check the voltages listed in the following figures PICTURE 2 Vdc Minimum Vdc Maximum Lead Lead Pin Pin 4 8 5 2 P6 5 P6 1 4 8 5 2 P6 5 P6 10 4 5 5 4 P6 9 P6 5 11 5 12 6 P6 5 P6 3 10 8 12 9 P6 4 P6 8 If the voltages are not correct check the power cord for continuity If the power cord is good replace the display assembly IBM PS 2 Model 25 SX HMR Power Supply Voltages Co...

Страница 13: ...o their maximum setting 5 Check for the following conditions The screen should be white or light gray with a black margin On an external display the black margin for the 8513 8514 and 8515 displays should measure 2 20 mm 0 08 0 79 in wide on one or both sides The contrast and brightness controls should vary the screen intensity If both of these conditions are not present replace the display assemb...

Страница 14: ...e drive diskette drive cable system board If the number of hard disk drives shown in the installed devices list is not correct do the following 1 Check the hard disk drive jumper settings see Hard Disk Drive Jumper Settings in topic 9 0 2 Check the voltages to the hard disk drive see Power Supply Voltages in topic 3 0 and tighten all drive cables 3 Restart the system and check the configuration If...

Страница 15: ...efective 001 Power off the system Disconnect the keyboard cable from the keyboard Power on the system and check the keyboard cable connector for the voltages shown All voltages are 5 PICTURE 3 ARE THE VOLTAGES CORRECT Yes No 002 Possible failing FRUs are 1 Keyboard cable 2 System board 003 Replace the keyboard IBM PS 2 Model 25 SX HMR Keyboard Copyright IBM Corp 1992 6 0 1 ...

Страница 16: ...e printer self test runs correctly install a wrap plug on the parallel port and run the advanced diagnostic tests to determine which FRU failed If the advanced diagnostic tests with the wrap plug installed do not detect a failure replace the printer cable If that does not correct the problem replace the system board or adapter connected to the printer cable IBM PS 2 Model 25 SX HMR Printer Copyrig...

Страница 17: ...UT AN ERROR Yes No 003 Follow the instructions on the display 004 Your system memory is now functioning correctly If you suspect an intermittent problem start an error log Use a DOS formatted diskette 005 Press the F1 key to continue 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 remove the memory module kit If the probl...

Страница 18: ...own with the connector facing away from you The drive has a jumper block in one of two positions Refer to the following figure and set the jumper as shown Note Do not change any other switches or jumpers Subtopics 9 1 40MB or 80MB Hard Disk Drive IBM PS 2 Model 25 SX HMR Hard Disk Drive Jumper Settings Copyright IBM Corp 1992 9 0 1 ...

Страница 19: ...9 1 40MB or 80MB Hard Disk Drive PICTURE 4 IBM PS 2 Model 25 SX HMR 40MB or 80MB Hard Disk Drive Copyright IBM Corp 1992 9 1 1 ...

Страница 20: ...ate 4 Mbps or 16 Mbps at which the adapter transfers data to the network Set the switches as shown to match the data rate of the LAN segment Data Rate PICTURE 5 16 Mbps Data Rate 4 Mbps PICTURE 6 IBM PS 2 Model 25 SX HMR Token Ring Data Rate Switch Settings Copyright IBM Corp 1992 10 0 1 ...

Страница 21: ...system is already on type A F1DIAG at the DOS command prompt then press Enter to load the Ethernet Setup Diagnostic program 2 Select Option 2 Test the Adapter from the Main Menu then press Enter The adapter address will be displayed for a few seconds before the diagnostics are run Subtopics 11 1 RPL Error Conditions for Ethernet IBM PS 2 Model 25 SX HMR Testing the Ethernet Adapter Copyright IBM C...

Страница 22: ...n 000A Field appears and XXXX is a value appears the file server is not greater than 000A present or is overloaded Check that 1 The server is available and fully operational 2 The address for the network adapter was properly added to the network software 3 The adapter configuration BNC UTP is set properly If the above items are correct and the problem remains replace the Ethernet adapter SF XXXX I...

Страница 23: ...pter If the problem still remains replace the system board CE 0085 This field indicates that a Field appears data rate configuration error was found during power on self test To correct this error go to Token Ring Data Rate Switch Settings in topic 10 0 to match the data rate of the LAN segment If the problem remains replace the Token Ring adapter If the problem still remains replace the system bo...

Страница 24: ...n has been properly added to the network software If the above items are correct and the problem remains replace the Token Ring adapter If the problem still remains replace the system board SF XXXX A number greater than 10 Field appears and XXXX is a value indicates that the file server greater than 10 has been found but is not responding 1 Ensure that the file server is available and fully operat...

Страница 25: ...m board PC 4020 This field indicates that the Field appears adapter is not functioning properly with the workstation In most cases the screen will freeze and this field will be highlighted because the adapter cannot continue Restart the workstation If the problem remains replace the Token Ring adapter If the problem still remains replace the system board AC 0040 0000 0000 This field indicates that...

Страница 26: ......

Страница 27: ...isk Drive Jumper Settings in topic 9 0 In the following index an X in an error message can be any number Symptom Error FRU Action No beep during POST but system System Board works correctly otherwise No beep during POST See Undetermined Problem in topic 2 0 System Board Memory Module Kit Any Adapter or Device Bus Adapter Power Cord Display Assembly One long and two short beeps System Board during ...

Страница 28: ...ystem Board 162 Check Power Supply Voltages and unable to run Diskette Drive advanced diagnostics System Board Diskette Drive Cable 162 Run Auto Configuration Clock Battery System Board 163 Time and Date Set Clock Battery System Board 164 Run Auto Configuration See Memory in topic 8 0 System Board 199 See Installed Devices List in topic 5 0 1XX System Board not listed above XXXXXX XXXXKB 230 Memor...

Страница 29: ...dapter Bus Adapter 17XX See Power Supply Voltages in topic 3 0 Hard Disk Drive System Board Hard Disk Cable Display Assembly 2401 2402 System Board Display Assembly 2409 Display Assembly 2410 System Board 30XX PC Network Adapter LF Translator Cable Problem Bus Adapter 31XX Alt PC Network Adapter LF Translator Cable Problem Bus Adapter 8601 System Board 8602 Mouse 86XX Mouse not listed above System...

Страница 30: ... IBM PS 2 Model 25 SX HMR Symptom to FRU Index Copyright IBM Corp 1992 13 0 4 ...

Страница 31: ...his section contains a graphic overview and a parts catalog for the Model 25 SX Subtopics 14 1 How To Use The Parts Catalog 14 2 Example of a Parts List IBM PS 2 Model 25 SX HMR Parts Copyright IBM Corp 1992 14 0 1 ...

Страница 32: ... 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 description The indenture indicates the relationship of a part to the next higher assembly For example Indenture Relationship of Parts No dot Main Assembly One dot Detail parts of a main assembly One dot Subassembly of the ...

Страница 33: ... Index System Unit 1 Cover 72X8501 2 Front Bezel Logo R 72X8502 Miscellaneous Hardware Kit AR 72X8580 Knob Assembly Hard Disk Drive Support Structure IBM PS 2 Model 25 SX HMR Example of a Parts List Copyright IBM Corp 1992 14 2 1 ...

Страница 34: ...15 0 System Overview PICTURE 7 IBM PS 2 Model 25 SX HMR System Overview Copyright IBM Corp 1992 15 0 1 ...

Страница 35: ...rts 96F7347 I O Panel 10G3698 Ethernet Adapter 04G1620 Token Ring Adapter 92F9119 Bracket Center Rib 64F0221 Hard Disk Drive Bezel with Cover Lock 64F0185 Front Cover Logo R 10G6899 Miscellaneous Parts Kit 00F2113 Screw Qty 20 C Clip Tilt Assembly Cover Top Cover Screw Cover Expansion Slot Retainer Feature Card Spring Rear Tilt Leg Foot Pad Internal Diskette Drive 1 44MB 3 5 Inch Diskette Drive As...

Страница 36: ...Color Display with Tilt Swivel Stand 110 120 V ac 68X3088 Tilt Swivel Stand 68X3061 8514 Color Display without Tilt Swivel Stand 110 120 V ac 75X5945 Tilt Swivel Stand 75X5907 8515 Color Display with Tilt Swivel Stand 110 120 V ac US and Canada 38F3911 Power Cords Power Cord Displays for U S 68X3071 Power Cord System Unit for U S 62X1045 Tools and Miscellaneous Tri Connector Wrap Plug 72X8546 Data...

Страница 37: ...Printed in the United States of America IBM PS 2 Model 25 SX HMR Parts Catalog Copyright IBM Corp 1992 16 0 3 ...

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