1–8
Little Board/P5x Utility I/O Development Board
To facilitate I/O connections to the Little Board/P5x utility connectors, Ampro provides the Little
Board/P5x Utility I/O Development Board. It is included in the Development Platf orm Kit and the
Quick Start Kit.
The I/O Development Board provides connections for the USB ports, speaker, keyboard, front panel
switches, external power supply connections, and so forth.
Figure 1– 2 is an illustration of the I/O Development board showing the co nne ctors and switches
that are provided.

Figure 1– 2. I/O Development Board

Table 1– 1 summarizes the connectors available on the I/O Development Board.
2.600
2.355
1.855
1.655
.330
0.0
-0.200
2.800
2,705
1.985
1.531
0.820
-0.200
0.0
0.729
1.604
1.700
2.295
3.350
3.500
-0.200
0.0
0.100
0.325
0.550
1.025
1.650
1.975
2.300
2.800
3.197
3.700
J8 J6
J5 J1 LS1
S3 S2 S1 S4
Keyboard
Mouse
J7
J2
J3 USB1
J4 USB2
BATV+
BATV-
Key
-12V
-5V
Gnd
Gnd
NC
LO-BATT PWR LID RESET