TYAN S8020, Руководство пользователя

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J194: CMOS Clear Jumper
Normal
( Default )
Pin 1 2 3
Signal Vbat P0_Vddbt_Rtc_G GND
1-2 Normal RTC Reset (DEFAULT)
2-3 Clear RTC Registers
You can reset the CMOS settings by using this jumper. This can be
useful if you have forgotten your system/setup password, or need to
clear the system BIOS setting.
1. Power off system and disconnect power connectors from the
motherboard.
2. Remove the jumper from Pin_1 and Pin_2 (Default setting).
3. Move the jumper cap to close Pin_2 and Pin_3 for several seconds to
Clear CMOS.
4. Put jumper cap back to Pin_1 and Pin_2 (Default setting).
5. Reconnect power connectors to the motherboard and power on
system.
Clear CMOS
J17: COM port Select Jumper
Signal Pin Pin Signal
AMD_COM_EN 1 2 GND
BMC_COM_EN
3
1-2: AMD COM PORT0
2-3: BMC CONSOLE PORT (Default)
J15: BMC COM PORT (RX) Select Jumper
Signal Pin Pin Signal
BMC_RXD1 1 2 U1107 RXD1
BMC_RXD5 3
1-2: BMC COM Port1(Default)
2-3: BMC COMSOLE Port5
J16: BMC COM PORT (TX) Select Jumper
Signal Pin Pin Signal
BMC_TXD1 1 2 U1107 TXD1
BMC_TXD5
3
1-2: BMC COM Port1(Default)
2-3: BMC COMSOLE Port5