C System board designators
SFF workstation system board designators
Designator Silk screen Component/Description
E15 E15 Crisis recovery header/jumper
E49 E49 Clear password header/jumper
J9 RJ45/USB LAN/DUAL USB 2.0
J10 J10 Dual USB 3.0/Dual USB 2.0
J31 J31 X1PCIEXP1 PCIe2 x4(1) slot (black)
J33 J33 X1PCIEXP1 PCIe2 x1 slot (black)
J41 J41 X16PCIEXP PCIe3 x16 slot (black)
J42 J42 X4PCIEXP PCIe2 x16(4) slot (black)
J53 DISPLAY PORT DisplayPort connector
J65 DISPLAY PORT Dual-Mode DisplayPort connector
J68 PS2 Mouse connector stacked over keyboard connector
J78 IN/OUT Audio line in stacked over audio line out
SW50 SW50 CMOS Clear CMOS switch/push button
P1 PWR Power supply, 6-pin (white)
P2 PWRCMD Power command, 6-pin (white)
P3 PWRCPU Power supply, 4-pin (white)
P5 P5 PB/LED Front power button/LED (black)
P6 SPRK Internal speaker (white)
P8 CPU FAN CPU fan header
P23 FRONT AUD Front audio (blue)
P24 FRONT USB Front I/O USB (yellow)
P52 COMB Serial port
P124 HLCK Hood lock solenoid (black)
P125 HSENSE Hood sensor
P126 PAR Flying parallel port (black)
P150 MEDIA Media card reader
P152 MEDIA2 USB 3.0 Media card reader
P26 FRONT USB Front I/O USB 3.0 (blue)
114 Appendix C System board designators