Card reader . . . . . . . . . . . . . . 116
System board. . . . . . . . . . . . . . 119
Internal speakers . . . . . . . . . . . . 122
I/O brackets (M90a) . . . . . . . . . . . 124
Integrated camera and microphone
module . . . . . . . . . . . . . . . . 127
Main frame . . . . . . . . . . . . . . . 130
Front decoration cover . . . . . . . . . . 133
Wi-Fi antennas . . . . . . . . . . . . . 136
LCD bracket and LCD panel . . . . . . . . 139
Appendix A. Notices and
trademarks. . . . . . . . . . . . . . . 143
ii M70a and M90a Hardware Maintenance Manual