Kontron
ETX-P3/C3 User’s Guide
13
Connector X1 Subsystems
6.
CONNECTOR X1 SUBSYSTEMS
6.1
PCI Bus
The implementation of this subsystem complies with the
ETX Specification
. Implementation
information is provided in the
ETX Design Guide
. Refer to the documentation for additional
information.
6.2
USB
A UHCI type USB host controller resides in the Intel PII-X4 south bridge device. The
controller implements a root hub with two USB ports. The USB controller complies with
version 1.1 of the USB standard.
6.2.1.
Configuration
The USB controller is a PCI bus device. Required system resources are automatically
allocated by BIOS during PCI device configuration.
6.3
Audio
The
ETX-P3/C3
PCI audio interface is based on the ES1938
audio driver chip from ESS
Technology. The audio controller is compatible with SoundBlaster Pro™ and Windows
Sound System™ interfaces.
6.3.1.
Configuration
The audio controller is a PCI bus device. Required system resources are automatically
allocated by BIOS during PCI device configuration.
6.4
Serial Interrupt Request
External serial interrupt request signals are connected to the serial interrupt request input
on the Intel PII-X4 south bridge device. In some cases, this is a useful alternative to
ISA/PCI interrupts. Please note that a hardware modification and customized BIOS are
required in order to use this feature. Please contact Kontron Embedded Modules Technical
Support for information on using this feature.