Specifications

IntroductionEP-3S1A
Page 1-7
I/O Shield Connector
The EP-3S1A is equipped with an I/O back panel. Please use the appropriate I/O
shield (figure 3).
Power-On/Off (Remote)
The EP-3S1A has a single 20-pin connector for ATX power supplies. For ATX
power supplies that support the Remote On/Off feature, this should be connected
to the systems front panel for system Power On/Off button. The systems power
On/Off button should be a momentary button that is normally open.
The EP-3S1A has been designed with Soft Off" functions. You can turn Off the
system from one of two sources: The first is the front panel Power On/Off the
button, and the other is the "Soft Off" function (coming from the EP-3S1As
onboard circuit controller) that can be controlled by the operating system such as
Windows 95/98. System will be turn off automatically after you click the START
button and Resume the Shutdown selection.
Case (chassis) Power
ON/OFF button
Figure 4: Simple ATX Power
ON/OFF Controller
J3
ATX
POWER SUPPLY
Figure 3: I/O back panel layout
parallel port
Joystick/Midi port
USB port
COM1
VGA1
Speaker
Line_in
PS/2 Mouse
PS/2
KEYBOARD
MIC