Parallel port DRQ and DACK (JP11)
You can select the parallel port DRQ and DACK by setting JP11.
The following charts show the available options.
DACK 1 (default)
Power supply connections (POWER CON)
Power supply connector
In single board computer (non-passive backplane) applications,
you will need to connect power directly to the SBC-455 board
using POWER CON. This connector is fully compatible with the
standard PC power supply connector. See the following table for
its pin assignments:
Pin
1
2
3
4
5
6
22
SBC-455 User's Manual
DRQ1(default)
Function
N.C.
+5 V
DC
+12 V
DC
-12 V
DC
GND
GND
DRQ3
DACK3