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1.3 Indicators
The panel board contains a power-on indicator LED that is visible through the panel of the enclosure. This LED is
sourced from the +5VDC of the utility header (switched power).
The panel board contains a provision for a low-cost PCB-mounted PC speaker. The speaker is not installed in the
default configuration.
1.4 Jumper Configuration
The panel board contains two configuration jumpers JP1 and JP2.
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External Power Enable - JP1:
Use a jumper between pins 1 and 2 only if Poseidon is
to be powered from an external power supply such as PS-5V-04 via the panel board and power switch
emulation is desired. For most embedded applications where no power switch is desired and the board
must power on upon applying power, do not connect this jumper, or leave it in the off location by placing
it between pins 2 and 3.
If the panel board is to be used while the SBC is powered of an ATX style power supply using the
MOLEX connector (CN9 on Poseidon), JP1 should not have a jumper or the jumper should be between
pins 2 & 3.
Please consult the Poseidon power configuration table on page 35 for complete information on all the
different power options.
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Shutdown Disable - JP2:
Install a jumper in positions 1 & 2 of JP2 to disable the
shutdown output control. If the panel board and SBC are to be used with a Jupiter (JMM) power supply
with shutdown control, remove the jumper or install a jumper between pins 2 & 3.
2. I/O Connectors
2.1 CPU Connectors
All CPU connectors are mounted on the bottom side of the board and are designed to mate directly with the
associated connectors on the CPU board. The vertical length of all bottom side connectors is designed to seat
properly with the CPU connectors. All connector pinouts are available in the product user manuals.
The headers on the first row are placed at precise 2mm intervals, so it is possible to use a single, large 2mm female
socket to cover multiple features.
First Row Features
Connector type
Power
2x10 pin 2mm female socket
Audio
2x5 pin 2mm female socket
VGA
2x5 pin 2mm female socket
Ethernet
2x5 pin 2mm female socket
USB 0&1
2x5 pin 2mm female socket
USB 2&3
2x5 pin 2mm female socket
Utility
2x4 pin 2mm female socket
Diamond Systems Corporation
Poseidon User Manual
Page 106