TYAN S7020 User Manual page 23

JP1: Clear CMOS Jumper
3
1
Normal
(Default)
3
1
Clear
JP2/JP3: COM2 Switch Jumper
3
1
3
1
JP4: PCIX Frequency Select Jumper
1
3
1 3
J13: BMC Reset Jumper
1
1
J34: SAS Enable/Disable Jumper (for S7020WAGM2NR only)
1
3
1 3
Use this jumper when you forgot your system/setup
password or need to clear system BIOS setting.
How to clear the CMOS data
Power off system and disconnect power
-
supply from AC source
- Use jumper cap to close Pin_2 and 3 for
several seconds to Clear CMOS
Replace jumper cap to close Pin_1 and 2
-
Reconnect power supply to AC source
Power on system
Pin 1-2 Closed: SIO to COM2 (Default)
Pin 2-3 Closed: BMC UART2 to COM2
Pin 1-2 Closed: PCIX 133MHz (Default)
Pin 2-3 Closed: PCIX 100MHz
NC: (Default)
Pin 1-2 Closed: Disable BMC
Pin 1-2 Closed: Enable (Default)
Pin 2-3 Closed: Disable
23
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