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COM1/COM2: RS-232 COM Port Header
DEBUG1: P2398 Card Header
AT1: AT/ATX Mode Selection Header
Signal
DCD (Data Carrier Detect)
TXD# (Transmit Data)
GND
RTS (Request To Send)
RI (Ring Indicator)
Signal Name
GND
Power Button
PORT80_A
PORT80_B
PORT80_C
PORT80_D
PORT80_DGH
Dip switch_GPIO42
The Jumper setting is to select Normal power
button on, or always power on while DC-IN.
Pin
Signal Name
1
AT1_RSMRST
2
AT1_PWRBT_N
3
NC
Pins 1&2: jumper position for AT mode (always power on)
Pins 2&3: jumper position for
http://www.tyan.com
Pin
Pin
1
2
3
4
5
6
7
8
9
10
Pin
Pin
1
2
3
X
5
6
7
8
9
10
11
12
13
14
15
16
Normal mode (Default)
21
Signal
RXD# (Receive Data)
DTR (Data Terminal
Ready)
DSR (Data Set Ready)
CTS (Clear To Send)
Key (no pin)
Signal Name
VCC (5V)
KEY
3VSB
PORT80_E
PORT80_F
PORT80_G
PORT80_DGL
Dip switch_GPIO43
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