Hercules-EBX CPU User Manual V1.02
Page 109
19. “UTILITY” BOARD
A small “Utility” board (DSC#
861002
) has been designed for test and development with the
Hercules-EBX. It is included with the Hercules-EBX development system (DSC#
DK-HRCEBX-
01
). This small board plugs onto the “Utility” connector J7and provides a simple interface for
various buttons / LED’s:
•
Power Button – simple push-button for “Power Button” functionality
•
Reset Button – push button causes systemwide hardware reset
•
Power LED – lights when main system power is active (note that stand-by power may still be
active when this LED is off)
•
Ethernet : 100MBit link LED – lights up when 100Mbit link is achieved (will not be illuminated
for 10Mbit link)
•
Ethernet : Activity LED – pulses with Ethernet activity (reads or writes)
•
IDE Activity LED : Lights when any access is made through the two onboard IDE connectors
(reflects activity of up to 4 devices potentially active through the two IDE connectors)
•
Speaker – this speaker is a typical PC “Beep” speaker; it is not an output for the onboard
sound system at all
Figure 11 : Utility Board (for J7)
