Kontron COMe Ref. Carrier T2 - Manual (Page 23)

COM Express™ miniBaseboard Type 2 / Connector Layout
18
J62 Front Panel Power Switch
J63 Enable/Disable onboard Speaker
J65 USB4 & USB6 Pin Header
J66 COM1
J67 COM2
J69 Disable Module BIOS for booting from baseboard LPC FWH
J70 Enable/Disable Status LEDs
J71 Optical S/PDIF out connector (Toslink)
J72 electrical S/PDIF out Pin header
SP1 Speaker
SW1 Reset Button
SW2 Power Button