HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstations Maintenance and Service Guide

Diagnostic LED and audible (beep) codes ...................................................................... 145
LED color definitions ........................................................................................................ 148
POST error messages ..................................................................................................... 148
5 Configuring password security and resetting CMOS .................................................................................... 153
Preparing to configure passwords .................................................................................................... 153
Resetting the password jumper ........................................................................................................ 154
Clearing and resetting the CMOS .................................................................................................... 155
Using the CMOS button to reset CMOS .......................................................................... 155
Using Computer Setup (F10) Utility to reset CMOS ........................................................ 156
Appendix A Linux technical notes .................................................................................................................... 157
System RAM .................................................................................................................................... 157
Audio ................................................................................................................................................ 157
Network cards .................................................................................................................................. 158
Hyper-Threading Technology ........................................................................................................... 158
NVIDIA Graphics Workstations ........................................................................................................ 159
AMD Graphics Workstations ............................................................................................................ 160
Appendix B Configuring RAID devices ............................................................................................................ 161
RAID hard drive maximum and associated storage controller options ............................................. 161
Supported RAID configurations ........................................................................................................ 162
Configuring Intel SATA RAID ........................................................................................................... 163
Configuring system BIOS ................................................................................................ 164
Configuring RAID with the Intel utility .............................................................................. 165
Configuring RAID on an LSI 2308 or LSI 9212-4i controller ............................................................. 166
RAID 0 configuration ........................................................................................................ 166
RAID 1 configuration ........................................................................................................ 167
RAID 1E/10 configuration ................................................................................................ 168
Configuring RAID on an LSI 9260-8i MegaRAID controller .............................................................. 169
RAID 0 ............................................................................................................................. 169
Software RAID solution .................................................................................................................... 171
Software RAID considerations ......................................................................................... 171
Performance considerations ............................................................................................ 171
Configuring software RAID .............................................................................................. 172
Appendix C System board designators ........................................................................................................... 173
HP Z220 SFF Workstation ............................................................................................................... 173
HP Z220 CMT Workstation ......................................................................................................
........ 174
HP Z420 and Z620 Workstation system board designators ............................................................. 175
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