Compaq dx2420 Service Reference Guide: HP Compaq dx2420 Business PC - Page 95
HP Business PC Security, Insight Diagnostics - hp ethernet
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Index Symbols/Numerics 24-pin power pin assignments 72 4-pin power pin assignments 72 A access panel removal and replacement 32 B battery disposal 26 removal and replacement 65 C cable connections 36 cable management 35 cable pinouts SATA data 17 SATA power 17 cautions AC power 19 cables 25 cooling fan 24 electrostatic discharge 20 keyboard cleaning 23 keyboard keys 24 chassis illustrated 19 cleaning computer 23 mouse 24 safety precautions 23 computer cleaning 23 connections 36 connector pin assignments 68 country power cord set requirements 77 D diagnostics utility 10 disassembly preparation 28 diskette drive installing 51 removing 50 drives locations 47 E electrostatic discharge (ESD) preventing damage 20 ethernet RJ-45 pin assignments 69 expansion card sockets 40 expansion slot cover removing 41 replacing 43 external security 29 F fan, power supply 24 front bezel removal and replacement 33 removing blanks 34 front USB panel removal and replacement 58 G grounding methods 21 H hard drive installing 55 proper handling 25 removing 53 SATA characteristics 16 headphone pin assignments 70 heat sink removal and replacement 60 I Insight Diagnostics 10 installing diskette drive 51 hard drive 55 media card reader 51 optical drive 49 K keyboard cleaning 23 pin assignments 68 L line-in audio pin assignments 71 line-out audio pin assignments 71 locks cable lock 29 HP Business PC Security Lock 30 padlock 29 M media card reader installing 51 removing 50 memory removal and replacement 37 microphone pin assignments 70 monitor pin assignments 71 mouse cleaning 24 pin assignments 68 O operating guidelines 22 Index 89