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Kontron ETXexpress-AI User Manual

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Kontron ETXexpress-AI User’s Guide



55

Table 13 USB Configuration

COMexpress™

Port

QM57 PCH Port

Description

USB0

USB0

USB 2.0 compliant
ports

USB1

USB1

USB2

USB4

USB3

USB5

USB4

USB6

USB5

USB7

USB6

USB3

USB7

USB2

Figure 5 shows the internal USB mapping from theMobile Intel® QM57 Platform
Controller Hub (PCH).

Figure 5: USB Mapping

NOTE: Additional USB connections can be added using external USB hubs.

Configuration

There are two 480 mb/s USB EHCI controllers. The USB controllers are PCI bus

devices. The BIOS allocates the required system resources during

configuration of the PCI bus.