IEI Technology PCIE-Q870-i2 User Manual

Contents

PCIE-Q870-i2 PICMG 1.3 CPU CardPage 21Figure 3-3: Audio Connector LocationPin Description Pin Description1 HDA_SYNC 2 HDA_BIT_CLK3 HDA_SDOUT 4 HDA_SPKR5 HDA_SDIN 6 HDA_RST#7 HDA_VCC 8 HDA_GND9 HDA_+12V 10 HDA_GNDTable 3-4: Audio Connector Pinouts3.2.3 Battery ConnectorCAUTION:Risk of explosion if battery is replaced by an incorrect type. Onlycertified engineers should replace the on-board battery.Dispose of used batteries according to instructions and localregulations.CN Label: BAT1CN Type: 2-pin waferCN Location: See Figure 3-4CN Pinouts: See Table 3-5This is connected to the system battery. The battery provides power to the system clock toretain the time when power is turned off.