Introduction
7
the register interface and follows standard command protocol con-
ventions.
Watchdog Timer
The cPCI-3840 implements a 2-stage Watchdog Timer (WDT) that
is embedded on the 6300ESB and can be enabled/disabled in
BIOS options. The WatchDog Timer supports selectable pres-
caler: approximately 1 MHz (1 us to 1 s) and approximately 1 KHz
(1 ms to 10 min). The 2-stage WDT mode performs the following
steps when the programmed time is up. First, it generates IRQ,
SMI, or SCI interrupts. Second, it drives WDT_OUT# low and
resets the cPCI-3840.
Hardware Monitoring
The onboard Winbond W83L784R Hardware Monitor tracks criti-
cal hardware parameters, including system and CPU voltages and
system temperature. All hardware health status can be accessed
in the BIOS options menu and using run-time utilities. In addition,
once the preset thresholds of the hardware conditions are met, the
W83L784R will alert the system or reset the entire system in criti-
cal situations. The The onboard Analog Devices ADM1032 is an
ACPI compliant two-channel digital thermometer and under/over
temperature alarm that allows the cPCI-3840 to be programmable
for under/over temperature limits.
Operating System Support
The cPCI-3840 is compatible with Windows XP/2000/NT/Server
2003, and Linux Red Hat 9.0. The device drivers for Windows are
included in the ADLINK All-in-One CD. For other Linux support
and VxWorks BSP, please contact ADLINK.
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