2-8
Themis Computer
TA64 Hardware Manual
2.6.3
Auxiliary Functions
Table 2-5
summarizes the functional specifications of the TA64 auxiliary functions.
These specifications apply to all product configurations.
Table 2-5.
Auxiliary Functions Specifications
Feature/Function
Specifications
Flash Memory
Three (3) 4-MB Flash devices
NVRAM/TOD
8 KB, battery-backed UPI Static RAM plus timekeeper
System Status LEDs
Four LEDs located on Front Panel of the Baseboard
[See C.2.1, “TA64/1—Baseboard Only”, page C-4,
Appendix C, “Front-Panel I/O Connections and LEDs”]
VME Status LEDs
Four LEDs located on Front Panel of the Baseboard
[See C.2.1, “TA64/1—Baseboard Only”, page C-4,
Appendix C, “Front-Panel I/O Connections and LEDs”]
Reset Switch
Momentary Push-button - Generates POR
Located on Front Panel
Watchdog Timers
Three Level Watchdog:
Level One: Interrupt
Level Two: XIR
Level Three: POR Reset
Voltage Sensors
Monitors Vdd, 3.3V, and 5V
POR reset signal is generated when voltage is out of
tolerance
POR voltage
Environmental monitoring: Vdd, 3.3 V, 5 V, +-12 V
Temperature Sensor
Monitors whether the CPU temperature stays within a
specified range
Range can be changed by software (BIOS firmware)
Содержание TA64
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