Specifications

14
http://www.tyan.com
J19: Front Panel Header
The Front Panel Header is used to connect some control or signal wires from
motherboard to chassis, such as HDD LED, power LED, power button, and
reset button.
J20/J21: Front Panel IEEE1394 Headers
1
9
2 1
0
Signal Pin Pin Signal
XTPA+
1 2
XTPA-
GND
3 4
GND
XTPB+
5 6
XTPB-
POWR
7 8
POWR
_
9 10
GND
Use these headers to connect to the external devices
of IEEE 1394. J20: 1394-1, J21: 1394-2
J15: IPMB Pin Header
1
Use this header to connect to the IPMB device.
Pin 1 Pin 2 Pin 3 Pin 4
IPMB DATA GND IPMB
CLK
NC
J11: External CD-in Header
1
Use this header to connect to the external CD-in
device.
Pin 1 Pin 2 Pin 3 Pin 4
CDIN_L CD_GND CD_GND CDIN_R
J22: SATA LED Header
1
Pin 1 Pin 2
SATA_LED+ SATA_ACT-
HDDLED+
1 2
PWR LED+
HDDLED-
3 4
PWR LED-
Reset Switch
5 6
Power Switch
Reset Switch
7 8
Power Switch
NMI_BTN
9 10
Warning LED+
NMI_BTN
11 12
Warning LED-
5Vsb
13 14
Key
SMBus Data
15 16
GND
SMBus Clock
17 18
INTRU#