Kontron KTLX800-pITX - Manual (Page 24)

KTD-S0022-C Page 19 USB Interface
KTLX800/pITX User's Guide
The USB interface comes with four USB ports which follow the OHCI/EHCI specification and are USB 2.0
more ports on two extension connectors.
8.1 Standard Connector
Two USB ports are availabl
8 USB Interface
compliant. Two ports are available on a standard connector and
e through the standard USB connector J1501 (8 pins).
Header Pin Signal Name Function
1 VCC 1) Power +5V
2 USB1- USB port 1 (negative)
3 USB1+ USB port 1 (posit ive)
4 GND Ground
5 VCC 1) Power +5V
6 USB0- USB port 0 (negative)
7 USB0+ USB port 0 (positive)
1
5
GND 8 Ground
8.2
The other USB p ilable t ugh the e sion connectors J15 502 (4 pins). To have the
signals available ndard USB interface connectors an adap ired. An USB interface
cable is availa -USB-2, er 96054-000
Extension Connectors
orts are ava
on the sta
ble from KONTRON (KAB
hro xten 00 and J1
ter cable is requ
part numb 0-00-2)
Header Pin Signal Name Function
1 GND Ground
2 USBn+ USB port n (positive)
3 USBn- USB port n (negative)
1
4 VCC 1) Power +5V
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.
8.3 Known Restrictions
The USB protocol is realized in a VSM (Virtual Support Module TM ) from AMD including some uncorrectable
restrictions.
❶ Not all floppy drives are detected (e.g. NEC model UF0002).
❷ Not all keys are usable to boot a DOS version (e.g. HAMA keys).