1 0
SOM-DB4400 User's Manual
Table 2-2: Jumpers
Label
Function
J1
System Function
J2
WatchDog Reset Clear RTC
J4
COM1, COM2 Voltage select
J5
COM1, COM2 Ring/Voltage select
J6
Select RS232 or RS485 or RS422
J7
Select KB and MOUSE
Table 2-3: J1: System Function Connector *: LOW ACTIVE
Pin
Function
Pin
Function
1
PW LED
2
+5V
3
PW LED
4
GND
5
PW LED GND
6
SPKB
7
KBLOCK*
8
SPKA
9
KBLOCK* GND 10
NC
11
PANSW* GND
12
HDDLED
13
PANSW*
14
5V
15
NC
16
NC
17
NC
18
FPRST*
19
GND
20
FPRST* GND
Содержание SOM-DB4400
Страница 1: ...SOM DB4400 ETX Development Board User s Manual ...
Страница 11: ...Chapter 1 General Information 5 1 4 Board layout dimensions Fig 1 1 SOM DB4400 Dimensions ...
Страница 12: ...6 SOM DB4400 User s Manual ...
Страница 13: ...C H A P T E R 2 Connecting Peripherals This chapter tells how to set up the SOM DB4400 hardware ...
Страница 22: ...16 SOM DB4400 User s Manual ...