MSI G52-75221X5 Manual page 197

前置面板接口: JFP1, JFP2
此接口用于连接前置面板开关、指示灯。JFP1是和Intel
Power Power
LED Switch
-
+
2 10
JFP1
1
9
+ - -
+
HDD
Reset
LED Switch
Speaker
-
+
-
+
2
8
JFP2
1 7
Power
LED
串行端口接口: JCOM1
串行端口是一个每秒接收16 个字节FIFOs 的16550A 高速通信端口。您可以连接一个串行设
备。
JCOM1
9
10
JFP1 针脚定义
PIN SIGNAL
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
PIN
1
2
3
4
5
6
7
8
PIN
1
2
1
3
2
4
5
6
7
8
9
® 的I/O面板连接规格兼容的。
DESCRIPTION
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 针脚定义
SIGNAL
GND
SPK-
SLED
BUZ+
PLED
BUZ-
NC
SPK+
针脚定义
SIGNAL DESCRIPTION
DCD Data Carry Detect
SIN Serial In or Receive Data
SOUT Serial Out or Transmit Data
DTR Data Terminal Ready
GND Ground
DSR Data Set Ready
RTS Request T o Send
CTS Clear To Send
RI Ring Indicate
DESCRIPTION
Ground
Speaker-
Suspend LED
Buzzer+
Power LED
Buzzer-
No connection
Speaker+
Sc-19