HP Compaq d260 MT Reference Manual page 106

ATX 12V Connector
Pin Signal Names
1 Ground
3 +12V
Fan Header
CPU_FAN
Pin
1
2
3
FAN2
Pin
1
2
3
CD-IN Connector
Pin
1
2
3
4
PS/2 Keyboard (Pruple in Color) & Mouse (Green in Color)
Keyboard & Mouse
Pin
1, 7
2, 8
F–6
Pin
2
4
Signal Names
Ground
FANPWM1
FANIO1
Signal Names
Ground
FANPWM2
FANIO2
Signal Names
CD L
CD GND
CD GND
CD R
Signal Names
Data
CD GND
377977-AA1
Signal Names
Ground
+12V
Service Reference Guide, d260