User`s manual

MS-7550 Mainboard
2-16
PIN SIGNAL DESCRIPTION
1 HD_LED + Hard disk LED pull-up
2 FP PWR/SLP MSG LED pull-up
3 HD_LED - Hard disk active LED
4 FP PWR/SLP MSG LED pull-up
5 RST_SW - Reset Switch low reference pull-down to GND
6 PWR_SW + Power Switch high reference pull-up
7 RST_SW + Reset Switch high reference pull-up
8 PWR_SW - Power Switch low reference pull-down to GND
9 RSVD_DNU Reserved. Do not use.
JFP1 Pin Definition
Front Panel Connectors: JFP1, JFP2
These connectors are for electrical connection to the front panel switches and LEDs.
The JFP1 is compliant with Intel
®
Front Panel I/O Connectivity Design Guide.
PIN SIGNAL DESCRIPTION
1GND Ground
2 SPK- Speaker-
3 SLED Suspend LED
4 BUZ+ Buzzer+
5 PLED Power LED
6 BUZ- Buzzer-
7 NC No connection
8 SPK+ Speaker+
JFP2 Pin Definition
1
2
9
10
JFP1
HDD
LED
Reset
Switch
Power
LED
Power
Switch
+
+
+
-
-
-
7
8
Power
LED
Speaker
1
2
JFP2
-
-
+
+
Wake-Up on LAN Connector: WOL1
This connector is for use with LAN add-on cards that supports Wake Up on LAN
function. To use this function, you need to set the “Wake-Up on LAN” to enable at the
BIOS.
123
Important
To be able to use this function, you need a power supply that provide enough
power for this feature. (Power supply with 750ma 5V Stand-by)
PIN SIGNAL
1 5VSB
2 GND
3 MP_WAKEUP
Note: LAN wake-up singal is
active “high”.
WOL1
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