Watchguard SSL 1000 Hardware Manual page 29

Example
To see the CPU temperature of the device from your LCD
display, press the Left or Right button to scroll through
options until you see Hardware Monitor. Then, press the
Down button to move into the menu. Press the Left or
Right button to scroll through the Hardware Monitor
entries until you find the CPU temperature. Press the Up
button to return to the main category level.
Hardware Guide
Load
Load average, showing the average system load
for the past 1, 5, and 15 minutes
Memory usage
Current memory used on the device.
Using the LCD Interface
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