Gigabyte GA-N3050N-D3H User Manual - Page 15

DEBUG PORT 13) LPT (Parallel Port Header) The LPT header can provide one parallel port via an optional LPT port cable. For purchasing the optional LPT port cable, please contact the local dealer. Pin No. Definition Pin No. Definition Pin No. Definition 1 STB- 10 GND 19 ACK- 2 26 2 AFD- 11 PD4 20 GND 3 PD0 12 GND 21 BUSY 4 ERR- 13 PD5 22 GND 1 25 5 PD1 14 GND 23 PE 6 INIT- 15 PD6 24 No Pin 7 PD2 16 GND 25 SLCT 8 SLIN- 17 PD7 26 GND 9 PD3 18 GND 14) SPEAKER (Speaker Header) Connects to the speaker on the chassis front panel. The system reports system startup status by issuing a beep code. One single short beep will be heard if no problem is detected at system startup. Pin No. Definition 1 VCC 1 2 NC 3 NC 4 SPK- 15) CI (Chassis Intrusion Header) This motherboard provides a chassis detection feature that detects if the chassis cover has been removed. This function requires a chassis with chassis intrusion detection design. Pin No. Definition 1 1 Signal 2 GND 16) CLR_CMOS (Clear CMOS Jumper) Use this jumper to clear the BIOS configuration and reset the CMOS values to factory defaults. To clear the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds. Open: Normal Short: Clear CMOS Values •• Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values. •• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or manually configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS configurations). - 15 -