User`s guide

Table 16 Power and GND Signal Descriptions

Signal Pin # Description I/O PU/PD Comment

VCC_12V A97-A99

A101-A109

B101-B109

Primary power input: +12V nominal. All available VCC_12V pins on the connector(s)

shall be used.

VCC_5V_SBY B84-B87 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 Real-time clock circuit-power input. Nominally +3.0V. P

GND A1, A11, A21, A31,

A41, A51, A57, A66,

A80, A90, A96, A100,

A110, B1, B11, B21

,B31, B41, B51,

B60, B70, B80, B90,

B100, B110

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.

A-B Connector Pinout7.2

Table 17 Connector A-B Pinout

Pin Row A Pin Row B Pin Row A Pin Row B

A1 GND (FIXED) B1 GND (FIXED) A56 PCIE_TX4- (*) B56 PCIE_RX4- (*)

A2 GBE0_MDI3- B2 GBE0_ACT# A57 GND B57 GPO2

A3 GBE0_MDI3+ B3 LPC_FRAME# A58 PCIE_TX3+ B58 PCIE_RX3+

A4 GBE0_LINK100# B4 LPC_AD0 A59 PCIE_TX3- B59 PCIE_RX3-

A5 GBE0_LINK1000# B5 LPC_AD1 A60 GND (FIXED) B60 GND (FIXED)

A6 GBE0_MDI2- B6 LPC_AD2 A61 PCIE_TX2+ B61 PCIE_RX2+

A7 GBE0_MDI2+ B7 LPC_AD3 A62 PCIE_TX2- B62 PCIE_RX2-

A8 GBE0_LINK# B8 LPC_DRQ0# A63 GPI1 B63 GPO3

A9 GBE0_MDI1- B9 LPC_DRQ1# A64 PCIE_TX1+ B64 PCIE_RX1+

A10 GBE0_MDI1+ B10 LPC_CLK A65 PCIE_TX1- B65 PCIE_RX1-

A11 GND (FIXED) B11 GND (FIXED) A66 GND B66 WAKE0#

A12 GBE0_MDI0- B12 PWRBTN# A67 GPI2 B67 WAKE1#

A13 GBE0_MDI0+ B13 SMB_CK A68 PCIE_TX0+ B68 PCIE_RX0+

A14 GBE0_CTREF (*) B14 SMB_DAT A69 PCIE_TX0- B69 PCIE_RX0-

A15 SUS_S3# B15 SMB_ALERT# A70 GND (FIXED) B70 GND (FIXED)

A16 SATA0_TX+ B16 SATA1_TX+ A71 LVDS_A0+ B71 LVDS_B0+

A17 SATA0_TX- B17 SATA1_TX- A72 LVDS_A0- B72 LVDS_B0-

A18 SUS_S4# (*) B18 SUS_STAT# A73 LVDS_A1+ B73 LVDS_B1+

A19 SATA0_RX+ B19 SATA1_RX+ A74 LVDS_A1- B74 LVDS_B1-