22 – English Mainboard D2778
22 Fujitsu Technology Solutions
Communiction connectors
USB port (internal) – Internal/Front
PIN Signal PIN Signal
1 Key 2 Not connected
3 VCC AUX (polyswitch fused) 4 VCC AUX (polyswitch fused)
5 Data negative Port X 6 Data negative Port X
7 Data positive Port X 8 Data positive Port X
9 GND 10 GND
Pin 1 Pin 2
11 Key 12 Not connected
High Definition Audio Frontpanel Connector (internal)
PIN Signal PIN Signal
1 HDA Port 1 Left 2 Analog GND
3 HDA Port 1 Right 4 FP Presence Detect
5 HDA Port 2 Left 6 Jack Sense Port 1
7 Jack Sense common 8 Key
Pin 1 Pin 2
9 HDA Port 2 Right 10 Jack Sense Port 1
Fire Wire
PIN Signal PIN Signal
1 TPA + 2 TPA -
3 GND 4 GND
5 TPB + 6 TPB -
7 +12V (polyswitch fused) 8 + 12V (polyswitch fused)
Pin 1 Pin 2
9 Key 10 GND