Kontron COMe-cPV2(v1.0) - Manual (Page 41)

Kontron microETXexpress-PV User’s Guide
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14 GND
4.1.7 PCI Express Interface
The PCI Express* x1 lane is a fast connection interface for many different
system devices, such as network controllers, I/O controllers or express card
devices. The implementation of this subsystem complies with the ETXexpress®
COM Express Specification. Refer to the PICMG COM Express® Design Guide for
additional implementation information.
The microETXexpress®-PV-XT COM supports up to 5 PCI Express x1 lanes. See
Table 10 for detailed configuration information.
Table 10: PCI Express Configurations
PCIExpress
Ports
Config. 1 Config. 2 Config. 3 Config. 4
Port 0 x4 Port x2 Port x2 Port x1 Port
Port 1 x1 Port
Port 2 x2 Port x1 Port x1 Port
Port 3 x1 Port x1 Port
Port 4 x1 Port x1 Port x1 Port x1 Port
4.1.8 USB Interface
The USB interface has five UHCI (USB 1.1) controllers and two EHCI (USB 2.0)
controllers. Not all of the UHCI controllers are used. Table 11 shows how
eight USB ports are used for USB configuration in the microETXexpress®-PV-XT
module.
Table 11: USB Configuration
COMexpress®
Port
ICH8M Port Description
USB0 USB0 Either USB 1.1 (UHCI1) or USB
2.0 (EHC1)
USB1 USB1 Either USB 1.1 (UHCI1) or USB
2.0 (EHC1)
USB2 USB2 Either USB 1.1 (UHCI2) or USB
2.0 (EHC1)
USB3 USB3 Either USB 1.1 (UHCI2) or USB
2.0 (EHC1)
USB4 USB6 Either USB 1.1 (UHCI4) or USB
2.0 (EHC2)
USB5 USB7 Either USB 1.1 (UHCI4) or USB
2.0 (EHC2)
USB6 USB8 Either USB 1.1 (UHCI5) or USB