Los siguientes son los esquemas de pinout (asignación de patillas) de los diversos conectores de motherboard:
USB
PINS: Power (+5 V), D-, D+, Ground
USB con soporte Flash Drive
PINS: Power (+5 V), D-, D+, Ground, LED#
HD Audio y AC97 Audio
PINS: Port1L, Port1R, Port2R, Sense_Send, Port2L, Ground, Presence#, Sense1_Ret, Sense2_Ret, MIC, MIC_BIAS, FP_OUT_R, AUD_5V, FP_OUT_L, AUD_GND, FP_RETURN_R, FP_RETURN_L
Front Panel
PINS: On/Off, Power LED, +5V, Reset, HD LED
Puerto paralelo
PINS: Ground, SLCTIN#, INT#, FAULT#, AUTOFD#, SELECT, PERROR, BUSY, ACK#, PD7, PD6, PD5, PD4, PD3, PD2, PD1, PD0, STROBE#
Puerto Serie
PINS: DCD, TXD#, Ground, RTS, RI, RXD#, DTR, DSR, CTS
SPDIF
PINS: Ground, S/PDIF Out, +5 VDC