Manual
11 AT8050
www.kontron.com
• DMA Controller, Timer/Counters, Interrupt Controller
• Universal Serial Bus (USB)
• GPIOs
• Enhanced Power Management
• System Management Bus 2.0 (SMBus)
2.3 USB 2.0 Interfaces
The board embeds a USB controller. This controller is compliant to USB 2.0. It provides two USB ports on the
face plate and two on the RTM. Those ports can be used for external storage and for booting.
USB features include:
• Capability to daisy chain as many as 127 devices per interface
• Fast bi-directional
• Isochronous/asynchronous interface
• 480 Mbs transfer rate
• Standardization of peripheral interfaces into a single format
• Retro compatible with USB 1.1 devices
USB supports Plug and Play and hot-swapping operations (OS level). These features allow USB devices to be
automatically attached, configured and detached, without reboot or running setup.
Table 2-1:USB Connector Pinout
Pin Signal
1 VCC
2 DATA-
3 DATA+
4 GND
Signal Path:
- 2 USB 2.0 on front panel (J10)
- 2 USB 2.0 on the RTM front panel
BIOS Settings:
Advanced --> USB Configuration