![IEI Technology WAFER-4821 Скачать руководство пользователя страница 18](http://html1.mh-extra.com/html/iei-technology/wafer-4821/wafer-4821_user-manual_4123066018.webp)
18
1.6 External Switches and Indicators
There are many external switches and indicators for monitoring and controlling
your CPU board. These features are optional. The detailed pin assignment of the
connectors is specified as following table:
•
CN5: Reset button
PIN Description
1 RESET
2
GND
•
CN2: IDE LED connector
PIN Description
1 HDD
ACTIVE#
2 +5V
1.7 External
Power
Connector
WAFER-4821 has an on-board external power connector CN3 and a 2-pin power
connector CN7. You can connect power directly to the CPU board without passive
backplane application.
•
CN3: External Power Connector
PIN Description
1 VCC
2 VCC
3 GND
4 GND
5 +12V