Asus Pro B460M-C/CSM Pro B460M-C Users Manual English - Page 14

RXD DTR DSR CTS DCD TXD GND RTS RI 12. COM Port headers COM These headers are for serial (COM) ports. Connect the serial port module cables to these headers, then install the modules to slot openings at the back of the system chassis. PIN 1 13. Front panel audio header This header is for a chassis-mounted front panel audio I/O module that supports HD audio standard. Connect one end of the front panel audio I/O module cable to this header. AGND NC SENSE1_RETUR SENSE2_RETUR • We recommend that you connect a high-definition front panel audio module to this header to avail of the motherboard's high- AAFP definition audio capability. PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L • If you want to connect a high-definition front panel audio module to this header, set the Front Panel Type item in the BIOS setup to [HD Audio]. By default, this header is set to [HD Audio]. HD-audio-compliant pin definition 14. LPC Debug header This header allows connection to a LPC Debug card. • Scan the QR code to view the meaning of each debugging code. • Debugging codes are only available for ASUS LPC Debug cards. • Contact your region sales representative for LPC Debug cards ordering. S_LAD0 S_LAD1 S_LAD2 S_LAD3 S_LFRAME# +3V +3V CK_24M_LPC GND LPC_DEBUG PIN 1 O_LPT_XAFD#_R O_LPT_ERROR#_R O_LPT_XINIT#_R O_LPT_XSLIN#_R GND GND GND GND GND GND GND GND 15. LPT header The LPT (Line Printing Terminal) header supports devices such as a printer. LPT standardizes as IEEE 1284, which is the parallel port interface on IBM PC-compatible computers. PIN 1 O_LPT_XSTB#_R O_LPT_XPD0_R O_LPT_XPD1_R O_LPT_XPD2_R O_LPT_XPD3_R O_LPT_XPD4_R O_LPT_XPD5_R O_LPT_XPD6_R O_LPT_XPD7_R O_LPT_ACK#_R O_LPT_BUSY_R O_LPT_PE_R O_LPT_SLCT_R 16. Mono-out header This internal Mono-out header allows connection to an internal, low power speaker for basic system sound capability. The subsystem is capable of driving a speaker load of 3 Watts RMS at 4 Ohms. MONO-OUT PIN 1 R_OUTR_OUT+ 17. Speaker header The 4-pin header is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings. SPEAKER +5V GND GND Speaker Out PIN 1 1-4 Chapter 1: Product introduction