5-22 'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDOTo remove the SEC cartridge/heat sink assembly, follow these steps:1. Remove the system power supply.:$51,1*7KH6(&FDUWULGJHKHDWVLQNDVVHPEO\FDQJHWH[WUHPHO\KRWGXULQJV\VWHPRSHUDWLRQV%HVXUHWKDWWKHDVVHPEO\KDVKDGVXIILFLHQWWLPHWRFRROEHIRUHWRXFKLQJLW2. Locate the SEC cartridge/heat sink assembly.3. Disconnect the microprocessor fan connector from the 3-pin connector onthe system board (labeled “FAN”), located between the SERIAL2 connec-tor and the MONITOR connector.4. Release the two securing clips near the base of the heat sink from themetal standoffs.5. Locate and press inward on the SEC cartridge release latches (locateddirectly on top of the SEC cartridge adjacent to the heat sink assembly)until the latches click.6. Lift the SEC cartridge/heat sink assembly out of its guide bracketassembly/connector on the system board.NOTE: When installing the SEC cartridge/heat sink assembly, press outwardon the SEC cartridge release latches and then carefully orient the assemblyand press firmly with up to 25 pounds of force to mate the SEC cartridge withits connector. The SEC cartridge release latches will click into the locked posi-tion as the assembly is seated.6\VWHP%DWWHU\)LJXUH6\VWHP%DWWHU\,QVWDOODWLRQTo remove the system battery, follow these steps:1. If possible, boot the system and enter the System Setup program. Thenrecord important system configuration information (see Appendix A, “Sys-tem Setup Program,” for details).BATTERYsocketbattery