HP 421 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 164
Universal Serial Bus USB, AHCI Advanced Host Controller
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Page 164 highlights
microphone cable spare part number 33 model name 1 modem jack, pin assignments 144 modem module product description 4 removal 103 spare part numbers 28, 103 monitor port external 18 pin assignments 142 Multi Core CPU 113 N network jack, pin assignments 145 Num lock state 113 O Operating System disc 139 operating system, product description 6 optical drive identifying 16 precautions 47 product description 4 removal 62 spare part number 31, 36, 62 specifications 128, 129 optical drive bezel, illustrated 34 optical drive button, identifying 17 optical drive extender spare part number 28 optical drive light, identifying 17 P packing guidelines 49 palm rest removal 68 spare part number 27 spare part numbers 68 panels, product description 2 passwords 111, 119 pin assignments audio-in jack 141 audio-out (headphone) jack 141 external monitor port 142 HDMI 143 headphone (audio-out) jack 141 microphone (audio-in) jack 141 modem jack 144 monitor port 142 network jack 145 RJ-11 144 RJ-45 (network) jack 145 Universal Serial Bus (USB) port 145 plastic parts 46 Plastics Kit contents 34 spare part number 34 pointing devices, product description 6 port options 1394 port 115 eSATA port 115 ExpressCard slot 115 flash media reader 115 parallel port 115 serial port 115 USB port 115 ports external monitor 18 HDMI 18 product description 5 USB 16, 18 power button, identifying 13 power cord set requirements 146 spare part numbers 37, 39 power cord, identifying 23 power light, identifying 12 power requirements, product description 6 power switch board removal 82 spare part number 28 processor product description 1 removal 66 spare part numbers 29, 66 product description audio 4 chipset 2 diskette drive 4 Ethernet 4 156 Index external media cards 5 graphics 2 hard drives 3 keyboard 6 memory module 3 modem module 4 operating system 6 optical drives 4 panels 2 pointing devices 6 ports 5 power requirements 6 processors 1 product name 1 security 6 serviceability 8 wireless 5 product name 1 R recovery partition 133, 136 release latches, battery 19 removal/replacement preliminaries 46 procedures 51 restore factory settings 109 restore security defaults 109, 115 restoring the hard drive 133, 136 RJ-11 (modem) jack identifying 16 pin assignments 144 RJ-45 (network) jack identifying 18 pin assignments 145 RTC battery removal 102 spare part number 28, 39, 102 Rubber Kit, spare part number 37 S SATA (Serial Advanced Technology Attachment) devices AHCI (Advanced Host Controller Interface) 112 IDE (Integrated Drive Electronics) 112 SATA (Serial Advanced Technology Attachment) devices) 112