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Jumper OFF – open (without pin)
Jumper ON – closed (with pin)
J40 Front Panel Connector
Signal
GND
Not connected
Not connected
GND
N/A
GND
Power Button
(low asserted)
Power LED
Cathode (-)
Power LED
Anode (+)
http://www.TYAN.com
D1519-101
Thunder i7501 S2720-533
Quick Reference
Pin
Pin
Signal
1 8
1 7
Chassis
Intrusion
(low asserted)
1 6
1 5
IR _TX
1 4
1 3
GND
1 2
1 1
IR _RX
1 0
9
+5 V
8
7
Reset Button
6
5
GND
4
3
Hard Disk LED
Cathode ( -)
2
1
Hard Disk LED
Anode (+)
Jumper
Function
J21
CMOS Clear
J22
External speaker header
J34
Serial Port internal header
J38
WOL ( Wake On LAN) 82551
only
J39
Hardware Monitor LED
(Reserved) See manual
J40
Front panel connector
J41
Hard disk activity LED external
input. See manual.
J42
SMDC (Server Management
Daughter Card) connector
2
J43
I
C bus connector (Reserved)
See manual.
J49
Hyper Threading control
J50
USB header #2
J51
USB header #3
J53
Intel GbE 82546 4-pin external
&
LAN activity/link
J58
LED headers. Note: Left most
pin is pin1.
J55
Intel 82551 4 -pin external LAN
activity/link LED header
J65
Force 400Mhz FSB instead of
533Mhz FSB
JP3
FAN 3 current rate select
Power Supply
The Thunder i750 1 requires an
EPS12V Power supply
Check Manual for details
J21 Reset the CMOS
You can reset the CMOS settings in case an
incorrect setting causes system instability or
you have forgotten your system/setup
password or have just flashed your BIOS by
using these jumpers.
1.
Power off system, disconnect power
supply from motherboard
2.
Set jumper J21 to Clear CMOS
3.
Wait about 5 seconds
4.
Set jumper J21 to Normal
1
Clear CMOS
1
Default
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