15
JP47: Clear CMOS Jumper
13
Normal
(Default)
31
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 2nd Front Panel Header
11 12
12
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 2nd Front Panel Header is used to connect some control or signal wires from motherboard to
chassis, such as LAN LED or ID LED.