System board, interposer card, and base cover

1220 System board, interposer card, and base cover

For access, remove these FRUs, in order:

v“1010 Battery pack” on page 76

v“1020 Ultrabay Enhanced device (for R52 series)” on page 77

v“1030 Hard disk drive” on page 79

v“1040 DIMM (optional)” on page 81

v“1050 Keyboard” on page 82

v“1060 Ultrabay device (for R50e series)” on page 86

v“1070 DIMM (standard)” on page 87

v“1080 Modem daughter card (MDC-2)” on page 88

v“1090 Bluetooth/Modem daughter card (BMDC-3) (for R52 series)” on page 90

v“1100 Keyboard bezel” on page 92

v“1120 Mini PCI adapter” on page 99

v“1130 Fan assembly” on page 103

v“1140 CPU” on page 104

v“1150 Backup battery” on page 105

v“1160 Speaker assembly” on page 106

v“1180 PC Card slot assembly” on page 111

v“1190 Ultrabay Enhanced shield kit” on page 114

v“1200 LCD assembly” on page 121

v“1210 VGA and Ultrabay Enhanced device eject button cable” on page 125

Important notice for handling the system board in R52 series:

Security chip is soldered on the underside of the system board in some models as in this figure.

(continued)

128R50e, R51e and R52 Series