Acer Altos R720 Series - Manual (Page 9)

ix
First steps checklist 136
Hardware diagnostic testing 137
Verifying proper operation of key system lights 137
Specific problems and corrective actions 138
Error beep codes 146
BIOS POST error beep codes 146
ARMC/3 module error beep codes 148
Diagnostic POST code LEDs 149
Appendix A: Acer Altos R720
rack installation guide 155
Setting up the system rack 157
System rack installation 159
Vertical mounting hole pattern 160
Installing the system into the rack 161
Appendix B: SAS hardware RAID
configuration 169
Configuring the integrated SAS hardware RAID 171
Index 173