Connector descriptions, J1 — utility, J2 — power – Ampro Corporation LITTLE BOARD 5001451A User Manual
Page 15: Connector descriptions –7
Little Board P6d Module
1-7
The Little Board P6d Utility I/O Development Board provides connections for the speaker,
keyboard, mouse, IrDA, TTL serial, front panel switches, misc. power management signals, external
power supply connections, and so forth.
Table 1-1 summarizes the connectors available on the I/O Development Board.
Table 1-1. I/O Development Board Connector Summary
Connector
Name
Description
J1
Utility
Connect to Little Board P6d Utility
J2
Power
Provides connections for -12V and -5V
J3
Misc.
Misc. Power Management and TTL Serial
J4
Keyboard
Plug in a standard PS/2 Keyboard
J5
Mouse
Plug in PS/2 Mouse
Connector Descriptions
The following sections describe the use of each connector on the I/O Development Board.
J1 — Utility
The Utility connector connects to the Little Board P6d Utility connector. It provides connections to
an on-board speaker, keyboard connector, Mouse connector, reset switch, IrDA Transceiver, TTL
RS232 signals, misc. power management I/O, and a connector for external -5V and -12V power
supplies, and a power LED.
If you have the Ampro QuickStart Kit, connect a ribbon cable between J1 on the I/O Development
Board and J19 on the Little Board.
J2 — Power
You can use J2 to connect -5V and -12V power supplies to the Little Board.
Table 1-2. –5V and –12V Power Wiring
Pin #
Signal
1
-12 Volts
3
-5 Volts
2, 4
Ground