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20 PC/104-Plus – CPU-1461 Module
J9 Auxiliary Power Connector
J9 is an auxiliary power connector and can be used to power the module as an alternative to the PC/104-
Plus bus.
Auxiliary
Power
J9
Figure 8. J9 Connector layout
Table 10 shows the pin out for J9.
Table 10. J9 Auxiliary Power Connector
PIN # SIGNAL SIGNAL PIN #
1
GND VDD
2
3
N.C. +12v
4
5
-5V
-12V
6
7
GND VDD
8
9
N.C. PWRBTN#
10
11
+5VSB
(1)
PSON#
(2)
12
(1)
+5VSB: +5 Volts-Always from the ATX Power supply
(2)
PSON#: Power-On command to ATX Power supply
Power button (input)
If the soft power management is enabled, a low signal in this pin turns the system on or off.
Note. The VSB (Volt Stand-By) voltage is useful for Power management applications only.
Note. The +12VDC and -5VDC voltages are neither used nor generated by the CPU-1461 module:
they are only conveyed on the PC/104-Plus bus (connector J1) and can be used by other
devices or modules that are stacked onto the CPU module.
WARNING! IMPROPER CONNECTION OF THE POWER SUPPLY WILL RESULT IN SERIOUS
DAMAGE TO THE MODULE.