MSI G52-75221X5 Manual page 155

前置面板連接器：JFP1, JFP2
主機板提供兩個前置面板連接器，連接到前置面板開關及 LED 指示燈。JFP 1 的
規格符合 Intel 前置面板 I/O 連接設計指南。
®
Power Power
LED Switch
-
+
2 10
JFP1
1
9
+ - -
+
HDD
Reset
LED Switch
Speaker
-
+
+ -
2
JFP2
1
Power
LED
序列埠連接器：JCOM1
本連接器是傳送/ 接收 1 6 位元組 FIFOs 的 1 6 5 5 0 A 高速通信埠。您可直接接上
序 列 裝 置 。
JCOM1
9
10
腳位 訊 號
1 HD_LED +
2 FP PWR/SLP
3 HD_LED -
4 FP PWR/SLP
5 RST_SW -
6 PWR_SW +
7 RST_SW +
8 PWR_SW -
9 RSVD_DNU
腳位 訊 號
1 GND
8 2 SPK-
7
3 SLED
4 BUZ+
5 PLED
6 BUZ-
7 NC
8 SPK+
腳位 訊號
1 DCD
2 SIN
3 SOUT
4 DTR
1
5 GND
2
6 DSR
7 RTS
8 CTS
9 RI
JFP1 腳位定義
說 明
Hard disk LED pull-up
MSG LED pull-up
Hard disk active LED
MSG LED pull-up
Reset Switch low reference pull-down to GND
Power Switch high reference pull-up
Reset Switch high reference pull-up
Power Switch low reference pull-down to GND
Reserved. Do not use.
JFP2 腳位定義
說 明
Ground
Speaker-
Suspend LED
Buzzer+
Power LED
Buzzer-
No connection
Speaker+
腳位 定義
說明
Data Carry Detect
Serial In or Receive Data
Serial Out or Transmit Data
Data T erminal Ready)
Ground
Data Set Ready
Request T o Send
Clear To Send
Ring Indicate
Tc-19