IBM PC 300, Руководство по техническому обслуживанию, Страница: 123 / 163

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SYS FAN: System FAN Connector
Pin No. Function
1 GND.
2 +12V
3 SENSE
J9: Buzzer Enable (Optional)
Pin No. Function
Open Internal Buzzer Disable
Close Internal Buzzer Enable
J17 RING PWR ON :Internal Modem Card Ring PWR On
Pin No. Function
1 Signal
2 GND
JP2: Keyboard Power On Selection
Pin No. Function
1-2 close Enabled Keyboard Power On.
2-3 close Disabled Keyboard Power On (Default).
JP12: Clear CMOS
Pin No. Function
1-2 close Clear CMOS
2-3 close Normal operation (Default).
J7: CD Audio Line in
Pin No. Function
1 CD_L
2,3 GND
4 CD_R
JP11: AUX_IN
Pin No. Function
1 AUX_L
2,3 GND
4 AUX_R
J14: Wake on LAN
Pin No. Function
1 +5VSB
2 GND
3 Signal