Designator Silk screen Component/Description
P160 SATAPWR1 HDD power (black)
XBT1 XBT1 BAT Battery holder
XMM1 - XMM4 XMM1 - XMM4
DIMM1 - DIMM4
Memory slots
XU1 XU1 CPU socket
Tower workstation system board designators
Designator Silk screen Component
E15 E15 Crisis recovery header/jumper
E49 E49 Clear password header/jumper
J9 J9 RJ/USB LAN/DUAL USB
J10 J10 QUAD USB Dual USB3.0/Dual USB2.0
J31 SLOT1 PCIe2 x4(1) PCIe2 x4(1) connector
J33 SLOT3 PCIe2 x1 PCIe2 x1 connector
J34 SLOT5 PCI 32/33 PCI 32/33 connector
J41 SLOT2 PCIe3 x16 PCIe3 x16 connector
J42 SLOT4 PCIe2 x16(4) PCIe2 x16(4) connector
J64 DP Dual-Mode DisplayPort connector
J65 DVI DVI-I connector
J68 J68 PS2 Stacked keyboard/mouse connector
J83 J83 Triple stacked audio jacks
J86 J86 Slot2 PCIe x16 retention clip
MTG1-MTG10 N/A Mounting holes
P1 P1 Power supply connector (18-pin)
P3 P3 CPU PWR CPU power connector (4-pin)
P5 P5 Power button/HDD LED/Power LED switch/Side
access panel sensor/Temperature header
P6 SPKR Speaker
P8 CPU FAN CPU fan header
P9 P9 Front fan header
P11 CHF Fan Rear system fan
P23 P23 FRONT AUD Front audio header
P24 P24 FRONT USB Front panel USB header
P26 P26 FRONT USB3 Front panel USB3 header (blue)
Tower workstation system board designators 115