Kontron pITX-SP - Manual (Page 35)

KTD-S0002-I Page 30 Power Supply
p ITX-SP User's Guide
14 Power Supply
The pITX-SP SBC has a power input voltage range from +4.75 to +5.25V DC. All other voltages are generated
onboard (e.g. +3.3V system and +1.8V memory voltage).
14.1 Connector
The power supply is injected through the connector J2300 (3 pins, DC power jacket 2.1mm).
Header Pin Signal Name Function
1 VCC 1) Power supply +5V
2 GND Ground
1
3 GND Ground
Note: 1) To protect the external power lines of peripheral devices make sure that
- the wires have the right diameter to withstand the maximum available current.
- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.
Warning: Don't overload the onboard system voltage +3.3V (microSD card socket, SDIO pin strip and Digital I/O connector). The
maximum current shouldn't exceed 250mA.
14.2 Power Front Panel Header
The power button and other power signals are available through the pin strip J1804 (10 pins). The harddisk
LED implies P-ATA and S-ATA.
Header Pin Signal Name Function
1 RST_BTN+ Reset button (positive)
2 PWR_BTN+ Power button (positive)
3 RST_BTN- Reset button (negative)
4 PWR_BTN- Power button (negative)
5 HDD_LED- Harddisk LED (negative)
6 RSVD Reserved
7 HDD_LED+ Harddisk LED (positive)
8 RSVD Reserved
9 RSVD Reserved
1 2
9 10
10 RSVD Reserved