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JP47: Clear CMOS Jumper
13
Normal
(Default)
3
1
Clear
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
J25: COM2 Header
1
9
2 10
Use these pin definitions to connect a port to COM2.
*TYAN does not provide cable for this header. It is
designed for OEM use only.
Signal Pin Pin Signal
DCD
1 2
DSR
RXD
3 4
RTS
TXD
5 6
CTS
DTR
7 8
RI
GND
9 10
Key
J74: The 2
nd
Front Panel Header
11 12
1
2
Signal Pin Pin Signal
LAN1 LED+
1 2
LAN1 LED-
LAN2 LED+
3 4
LAN2 LED-
NC
5 6
NC
ID LED+
7 8
ID LED-
ID SW+
9 10
ID SW-
Reserved
11 12
Key
The 2
nd
Front Panel Header is used to connect
some control or signal wires from motherboard to
chassis, such as LAN LED or ID LED.