Compaq Portable 486 Compaq Portable 486c Personal Computer Maintenance and Ser - Page 68
Power Supply, To replace the real time clock/battery, reverse the steps in the above
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WARNING The real time clock/battery contains a lithium battery that may explode if mishandled. Do not abuse, recharge, disassemble, or dispose of in fire. Use only replacement real time clock/battery modules supplied by Compaq Computer Corporation (part no. 126570-001). Disposal of the real time clock/battery should be accomplished within compliance of local regulations or returned to Compaq Computer Corporation by established parts return methods 6. Cut the tie wrap securing the real time clock/battery to the processor board and remove the real time clock/battery (Figure 5-12). To replace the real time clock/battery, reverse the steps in the above illustration. Chapter 5.9 Power Supply To remove the power supply, complete the following steps: 1. Remove the rear panel (Section 5.6). 2. Remove the options cover (Section 5.7).