Designator Silkscreen Component
P25 INT USB Internal USB header
P29 HDD LED HDD LED connector
P5 CONTROL PANEL Main power/HDD LED/internal speaker
connector
P70 CPUFAN1 Primary CPU fan header
P71 CPU2FAN Secondary CPU fan header
P8 MEM FAN Memory fan header
P130 CHASSIS FAN Chassis fan header
P9 N/A PCI fan header
P93 N/A Front chassis fan header
XBT2 BAT Battery retainer
XMM1 DIMM1 Memory slot
XMM2 DIMM3 Memory slot
XMM3 DIMM2 Memory slot
XMM4 DIMM4 Memory slot
U1 XU1 Primary processor socket
U2 XU2 Secondary processor socket
N/A ROM ROM socket
E15 RECOVER Crisis recovery header/jumper
162 Appendix D Appendix D — System board designators ENWW