DFI CD905-B2800 - Manual (Page 28)

www.dfi .com Chapter 3 Hardware Installation
28
Chapter 3
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
GPO0 A93
GPO1 B54
GPO2 B57
GPO3 B63
GPI0 A54
GPI1 A63
GPI2 A67
GPI3 A85
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
VCC_12V A104~A109
B104~B109
C104~C109
D104~D109 Power Primary power input: +12V nominal. All available VCC_12V pins on the connector(s) shall be used.
VCC_5V_SBY B84~B87 Power Standby power input: +5.0V nominal. If VCC5_SBY is used, all
available VCC_5V_SBY pins on the connector(s) shall be used. Only
used for standby and suspend functions. May be left unconnected if
these functions are not used in the system design.
VCC_RTC A47 Power Real-time clock circuit-power input. Nominally +3.0V.
GND A1, A11, A21, A31,
A41, A51, A57, A60,
A66, A70, A80, A90,
A96,A100, A110,
B1, B11, B21 ,B31,
B41, B51, B60, B70,
B80, B90, B100,
B110, C1,C11, C21,
C31, C41, C51, C60,
C70, C76, C80, C84,
C87, C90, C93, C96,
C100, C103, C110,
D1,D11,D21, D31,
D41, D51, D60,
D67, D70,D76, D80,
D84, D87, D90,
D93, D96, D100,
D103, D110 Power Ground - DC power and signal and AC signal return path.
All available GND connector pins shall be used and tied to Carrier
Board GND plane.
I CMOS 3.3V / 3.3V General purpose input pins.
Power and GND Signal Descriptions
GPIO Signals Descriptions
O CMOS 3.3V / 3.3V General purpose output pins.