2.9 Floppy drive connector (CN2) .................................. 202.9.1 Connecting the floppy drive................................ 202.10 Parallel port connector (CN3) ................................... 212.11 Keyboard and PS/2 mouse connector (CN17) ......... 222.12 Power connectors ....................................................... 222.12.1 Main power connector +5 V, +12 V (CN9) ...... 222.12.2 Auxilary power connector (CN10) ................... 222.12.3 CPU fan power connector (CN6) ...................... 222.13 IR connector (CN7) .................................................... 222.14 Audio interfaces (CN5, CN1) .................................... 232.14.1 Audio connector (CN5) ..................................... 232.14.2 CD audio input connector (CN1) ...................... 232.14.3 Audio power source setting (J1) ....................... 232.15 Serial ports (CN16, CN14)......................................... 242.15.1 COM1 RS-232 port (CN16) .............................. 242.15.2 COM2 RS-232/422/485 selection (CN14)........ 242.16 VGA interface connections ........................................ 252.16.1 CRT display connector (CN18) ........................ 252.16.2 Flat panel display connector (CN12) ................ 252.16.3 LCD power setting (J6) ..................................... 262.17 LVDS interface (CN15) ............................................. 262.18 Ethernet interface connections ................................. 272.18.1 100Base-T RJ-45 connector (CN13) ................ 272.18.2 Ethernet power select (J7) ................................. 272.19 Ethernet LED and HDD/power LEDs ..................... 282.19.1 LED1 (Ethernet LED) ....................................... 282.19.2 LED2 (Power and HDD LED) .......................... 282.20 Watchdog timer configuration ................................. 282.20.1 Watchdog timer action (J3) ............................... 292.21 USB connectors (CN4) ............................................... 292.22 TV-out connector (CN21,CN22) ............................... 292.23 ATX power control conn. (CN23, CN24) ................. 302.23.1 ATX feature connector (CN23) and power button(CN 24)) ....................................................................... 30