Aplex ACS-2701A, Руководство пользователя, Страница: 16 / 39

ACS-2701A User Manual 16
2.1.7.2 Power Supply Pin
CN2, CN4 defined two kinds of power supply sources.
VCC_RTC, is defined for the Real-Time-Clock power supply, ASB-S700 is equipped with a
lithium battery (CR2032) also the onboard battery is also for the baseboard used.
5V_S5, is defined for 5V Standby power source, connected Pin63, 65, 67, 69, 71, 73 of total of
six pins, can secure transmission current up to 2.4 Amp.
2.1.7.3 LPC Bus Signal
Pin36, 48 and odd-number of pin 19 ~ 29 are defined for LPC Bus signals.
2.1.7.4 USB Bus Signal
Pin77, 79, Pin56, 58, Pin62, 64, Pin68, 70, Pin74, 76, Pin80, 82, are defined set of differential pairs of
negative as positive signals of USB. Pin83, 85, 87 are defined as over-current protection signal for
relevant USB ports.
2.1.7.5 SMB Bus Signal
Pin2, 4 are defined for the SMB Bus signals
2.1.7.6 SDVO Bus Signal
The even-number of Pin8 ~ 52 are defined for SDVO Bus signals
2.1.7.7 HDA Bus Signal
The even-number of Pin84 ~ 94 are defined for High Definition Audio Bus signals of Intel.
2.1.7.8 Clock Signals
Pin7 is defined for 32.768 KHz clock signal, output from CPU board, core-module of mini-Express.
Pin37 is defined for the 33MHz clock signal, output from CPU board, core-module of mini-Express.
Pin41 is defined for the 48MHz clock signal, output from CPU board, core-module of mini-Express.
2.1.7.9 Other Signals
Pin3, A20GATE, is defined for A20 GATE signal as issued by SIO. (Serial Input/ Output)
Pin5, KB_RST #, is defined for Keyboard Reset as issued by SIO. (#, said active-low);
Pin9, FP_RST #, is defined as forced Reset signal from external input;
Pin11, RST_OUT1 #, CPU board, core-module send-out reset signal #1 to the adapted IO baseboard.
Pin13, RST_OUT2 #, CPU board, core-module send-out reset signal #2 to the adapted IO baseboard.
Pin15, IO_THRM #, IO baseboard send the system thermal- overheat signal to CPU board.
Pin31, RSM_RST #, IO baseboard send system reboot ready signal to CPU board.;
Pin33, CPU_CORE_SENSE, CPU core- power supply voltage detection;
Pin42, multiplexed signal can be used for LPC_PME # and GPIO;
Pin45, EN_3V_5V_S0 #, CPU board send the main power system signal to IO baseboard for
operating