MSI 745 ULTRA User Guide - Page 34

Front Panel Connectors: JFP1 & JFP2

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Chapter 2 Front Panel Connectors: JFP1 & JFP2 The mainboard provides two front panel connectors for electrical connection to the front panel switches and LEDs. Both JFP1 and JFP2 are compliant with Intel® Front Panel I/O Connectivity Design Guide. 10 9 _ PWSW + + _ RST S LED P _ HDD + 21 JFP1 SPK BUZ 87 + - P LED + S - GND 21 JFP2 JFP2 Pin Definition Pin Signal 1 GND 2 SPK- 3 SLED 4 BUZ+ Pin Signal 5 PLED 6 BUZ- 7 NC 8 SPK+ JFP1 Switch/LED Front Panel Electrical Connection PIN SIGNAL 1 HD_LED_P 2 FP PWR/SLP 3 HD_LED_N 4 FP PWR/SLP 5 RST_SW_N 6 PWR_SW_P 7 RST_SW_P 8 PWR_SW_N 9 RSVD_DNU DESCRIPTION Hard disk LED pull-up to +5V MSG LED pull-up to +5V Hard disk active LED MSG LED pull-up to +5V Reset Switch low reference pull-down to GND Power Switch high reference pull-up to +5V Reset Switch high reference pull-up to +5V Power Switch low reference pull-down to GND Reserved. Do not use. 2-16

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Chapter 2
2-16
Front Panel Connectors: JFP1 & JFP2
The mainboard provides two front panel connectors for electrical con-
nection to the front panel switches and LEDs.
Both JFP1 and JFP2 are compli-
ant with Intel
fi
Front Panel I/O Connectivity Design Guide.
Pin
Signal
1
GND
2
SPK-
3
SLED
4
BUZ+
Pin
Signal
5
PLED
6
BUZ-
7
NC
8
SPK+
JFP2 Pin Definition
PIN
SIGNAL
DESCRIPTION
1
HD_LED_P
Hard disk LED pull-up to +5V
2
FP PWR/SLP
MSG LED pull-up to +5V
3
HD_LED_N
Hard disk active LED
4
FP PWR/SLP
MSG LED pull-up to +5V
5
RST_SW_N
Reset Switch low reference pull-down to GND
6
PWR_SW_P
Power Switch high reference pull-up to +5V
7
RST_SW_P
Reset Switch high reference pull-up to +5V
8
PWR_SW_N
Power Switch low reference pull-down to GND
9
RSVD_DNU
Reserved. Do not use.
JFP1 Switch/LED Front Panel Electrical Connection
JFP1
1
2
9
10
P
HDD
+
+
_
_
RST
PWSW
S
LED
+
_
JFP2
1
2
7
8
P
GND
+
+
-
-
LED
SPK
S
BUZ