C o m p a c t B o a r d P C M - 6 8 9 4Chapter 2 Quick Installation Guide 2 - 172.21 Keyboard & PS/2 Mouse Connector (CN10)PCM-6894 provides a connector to support both a keyboard and aPS/2 style mouse. In most cases, especially in embedded applications,a keyboard is not used. The standard PC/AT BIOS will report anerror or fail during power-on-self-test (POST) after a reset if thekeyboard is not present. The Advanced setup menu in BIOS allowsyou to select “Present” or “Absent” under the “System Keyboard”section. This allows no-keyboard operating in embedded systemapplications without the system halting under POST.Pin Signal1 KB DATA2 KB CLK3 GND4 5VSB5 MS DATA6 MS CLK7 N.C.8 N.C.
