User manual IBM THINKPAD 240Z Hardware Guide

[. . . ] IBM Mobile Systems S09N-8590-00 ThinkPad 240 Hardware Maintenance Manual December 2000 i Before using this information and the product it supports, be sure to read the general information under "Read This First" on page 1. Second Edition (October 1999) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION "AS IS" WITHOUT ANY WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE LIMITED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimers 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 periodically made to the information herein; these changes will be incorporated in new editions of the publication. [. . . ] Numeric error codes show the errors detected in POST or system operation (runtime). In the following error codes, X can be any number. If no codes are available, use narrative symptoms. If the symptom is not listed, go to "Undetermined Problems" on page 22. Note: For IBM devices not supported by diagnostic codes in this ThinkPad computer, see the manual for that device. Numeric Error Codes The following is a list of the message that the BIOS can display. Some of them display information about a hardware device, e. g. , the amount of memory installed. Others may indicate a problem with a device, such as the way it has been configured. Following the list are explanations of the messages and remedies for reported problems. If the system fails after you make changes in the Setup menus, reset the computer, enter Setup and install Setup defaults or correct the error. Symptom/Error 0200 Failure Fixed Disk FRU/Action in Sequence 1. Load Setup Defaults in BIOS Setup Utility. System board 0211 Stuck Key 0211 Keyboard error 0212 Keyboard Controller Failed Go to "Keyboard and Auxiliary Input Device Checkout" on page 9. Go to "Keyboard and Auxiliary Input Device Checkout" on page 9. Go to "Keyboard and Auxiliary Input Device Checkout" on page 9. 16 ThinkPad 240 Symptom/Error 0213 Keyboard locked -- Unlock key switch 0220 Monitor type does not match CMOS -- Run Setup 0230 Shadow RAM Failed at offset:nnnn 0231 System RAM Failed at offset:nnnn 0232 Extended RAM Failed at offset:nnnn 0250 System battery is dead 0251 System CMOS checksum bad -- Default configuration used 0260 System timer error 0270 Real time clock error 0280 Previous boot incomplete -- Default configuration used FRU/Action in Sequence Unlock external keyboard. Load Setup Defaults in BIOS Setup Utility. System board 1. System board System board System board 1. Run BIOS Setup Utility to reconfigure the system, then reboot the system. Run BIOS Setup Utility to reconfigure the system, then reboot the system. Load Setup Defaults in the BIOS Setup Utility. System board ThinkPad 240 17 Symptom/Error 0281 Memory size found by POST differed from CMOS 02D0 System cache error -- Cache disabled 02F0 CPU ID: 02F5 DMA Test Failed 02F6 Software NMI Failed 02F7 Fail-Safe Timer NMI Failed FRU/Action in Sequence 1. Load Setup Defaults in the BIOS Setup Utility. System board System board System board 1. System board Error Messages Symptom/Error Device Address Conflict Allocation Error for: device Failing Bits: nnnn Invalid System Configuration Data I/O device IRQ conflict FRU/Action in Sequence 1. Load Setup Defaults in BIOS Setup Utility. Load Setup Defaults in BIOS Setup Utility. [. . . ] Disconnect the flex cable from the inverter card. Disconnect the FPC cable from the inverter card. 3. (The inverter card is fixed to the rear cover with double-sided tape. ) 48 ThinkPad 240 ThinkP ad 1170 LCD Panel ASM (LCD Type A and B) Note: Refer to "ThinkPad 240 Hardware Maintenance Manual" on page 1 for information on LCD Type A and LCD Type B panel designations. 1010 Battery ASM 1030 Keyboard 1150 LCD Bezel ASM 1160 LCD Inverter ASM To remove the LCD Panel: 1. [. . . ]