User manual IBM THINKPAD S31 Hardware Guide

[. . . ] ThinkPad s30, s31 Hardware Maintenance Manual 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 2001) 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. [. . . ] If a click button problem or pointing stick problem occurs, do the following: 1. If either the pointing stick or the click button does not work, do the following actions one at a time to correct the problem. Replace the system board. Power Management Features Three power management modes are available in the computer system to reduce power consumption and to prolong battery life. Standby Mode In standby mode, the following occurs: v The LCD backlight turns off. Events that cause the computer to enter standby mode: v Standby mode requested by the Fn key (Fn+F4). The computer exits standby and resumes operation when any key is pressed. 16 ThinkPad s30, s31 Suspend Mode In suspend mode, the following occurs: v The LCD is powered off. Events that cause the computer to enter suspend mode: v Suspend mode requested by the Fn key (Fn+F4). Note: When battery is low, the battery status indicator blinks orange. Note: In the IBM BIOS Setup Utility, the computer can be set to suspend when the lid is closed. The following events cause the computer to resume operation from suspend mode: v The Lid is opened. v The ring indicator (RI) is signaled by a PC Card device or the internal modem. The computer also exits suspend mode when the battery is critically low or timer conditions are satisfied for entering hibernation mode. Hibernation Mode Note: Before using hibernation mode, you need a hibernation file. In hibernation mode, the following occurs: v The system status, RAM, VRAM, and setup data are stored on the hard disk. Events that cause the computer to enter hibernation mode: v Hibernation mode requested by function key (Fn+F12). v Timer conditions are satisfied in suspend mode when hibernate by timer is enabled. (BIOS Setup) ThinkPad s30, s31 17 The computer exits hibernation mode and resumes operation when the power-on switch is pressed. When power is turned on, the hibernation file in the boot record on the hard disk drive is read and the system status is restored from the hard disk drive. The power switch must be pressed to cause the computer to resume operation from hibernation mode. How to Create the Hibernation Function: Do as follows: v Turn off the computer. v Insert the hibernation utility diskette into the diskette drive (you can create the diskette using the Diskette Factory). Note: If you change the memory size, you need to recreate the hibernation file or partition. For partition-based hibernation, use the hibernation utility to delete the partition first before creating a new one. 18 ThinkPad s30, s31 Symptom-to-FRU Index The Symptom-to-FRU Index lists the symptoms and errors and the possible causes. Note: Perform the FRU replacement or actions in the sequence shown in the FRU/Action columns. [. . . ] Carefully lift the fan ASM. A Warning: The fan ASM FRU includes a small pad of thermal rubber. The thermal rubber has adhesive and protective paper on both sides and must be fixed onto the fan ASM before reassembly. Remove the protective paper from the other side of the thermal rubber. ThinkPad s30, s31 47 Protective paper Thermal rubber Size Step 1 1A (Quantity) M2. 0 x 7L (3) M2. 0 x 9L (1) Head & Color Flat head, black Flat head, black Torque 2. 5 kgf-cm 2. 0 kgf-cm Note: Make sure you use the correct screw for replacement. 48 ThinkPad s30, s31 1130 PCMCIA Slots v 1010 Battery ASM v 1020 Keyboard ASM v 1100 Fan ASM Warning: Special care must be taken when disconnecting the PCMCIA slots not to cause a short or damage the connector. Remove the three screws. A Note: The following steps 2 and 3 only apply to the s31 series. [. . . ]