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