Kontron ETX-DC Manuel d'utilisateur télécharger pdf (Page 39)

ETX-DC®/ Special Features

5 Special Features

5.1 Watchdog Timer

The watchdog timer is implemented within the Winbond W83627HG. The WDT can also be controlled by the JIDA BIOS

support. The application software should strobe the WDT to prevent its timeout. Upon timeout, the WDT resets and

restarts the system. This provides a way to recover from program crashes or lockups.

Configuration

You can program the timeout period for the watchdog timer in two ranges:

» 1-second increments from 1 to 255 seconds

» 1-minute increments from 1 to 255 minutes

The watchdog can release a NMI or a reset.

Contact Kontron Embedded Modules technical support for information on programming and operating the WDT.

5.2 SATA Support

The ETX®-DC supports two SATA ports compliant to the ETX® 3.0 specification

5.3 Restrictions

The ETX-DC® has following restrictions compared to some other ETX® products:

5.3.1 ISA Bus

The ETX-DC® is usually equipped with a PCI2ISA bridge which does not support DMA transfers; therefore e.g. the

floppy interface of an external SuperI/O controller is not supported.

Optionally a LPC2ISA bridge can be equipped as a customized version of the product, but then there is only very

limited memory access on ISA bus possible.

5.3.2 ISA VGA

There is no support for ISA graphic cards on ETCX-DC®.

5.3.3 LVDS

The ETX-DC® supports only 18bit LVDS panels, because only 3 LVDS data pairs are supported by the chipset.

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 80 81

Pas de commentaire

Kontron ETX-DC Manuel d'utilisateur Page 39