Well said, Winston.  And the battery that supports the memory is
replaceable and fairly easy to test with a common voltmeter.

John Lee
Vaske Computer Solutions


At 06:32 PM 4/14/03 -0500, Winston Kriger wrote:
>This is a message that indicates the built-in MPE power-fail handler has
>detected an outage, saved the state, and then restored  the state of your
>NOVA machine after the power returned.   Main memory contents are preserved
>by an internal storage battery for considerable periods of time,  while the
>rest of the machine hibernates.  The length of time that can be accommodated
>depends on the age/charge of the battery and how much memory is installed,
>but I've gone several hours with no problems.   I've seen that message
>hundreds of times in the last 10 years on my 917/LX console, and NEVER has
>the power-fail detection/recovery scheme failed,  so I don't even
>have/need/want a UPS on that system.   Perhaps your UPS didn't detect the
>power fail in a timely fashion or simply doesn't work due to dead batteries,
>poor design, etc.    Of course, a (working) UPS will allow you to continue
>using the machine awhile during the outage,  so a UPS might be a useful
>accessory for your NOVA in some cases--if it works.
>
>"New/Improved" '3000s (9X8s, etc.) introduced after '93 don't have the
>power-fail/memory-backup scheme and rely solely on a UPS to protect your
>data.   Other "improvements"  after the NOVA class included such noteable
>"features"  as crippling the memory capacity of the small boxes from 1.5GB
>down to 0.5GB,  and then crippling the 918/LX to run at half of its design
>speed.   After getting away with that,  the incredible shrinking '3000 "A"
>Class box was released as a low-end replacement with an even more impressive
>CPU crippling algorithm; and then....................
>
>Oh well, the horse has finally been beaten to death by marketing
>"engineers", so I'll stop here and just admire my beautiful/faithful old
>NOVA box and wait for the next "** RECOVERY FROM POWER FAIL **"  message to
>appear.....
>
>Winston Kriger
>
>
>
>
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