A couple of days ago I asked if 928s were supposed to recover from a
power-fail just as all other HP3000s I've ever worked with have.  I
contacted HP's Customer Advantage Center (1-800-637-7740), and Bob
Lulich found and faxed me Subsetion 2.1 from the "HP 3000 900 Series
Computer Systems Configuration Guide" (November 1995).  On page 2-8 of
said subsection is the following:

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Power Protection

The HP 3000 Series 9x8LX/RX system comes standard with one deskside 600
VA HP PowerTrust Uninterruptible Power Supply (UPS), product A2941AZ.
Optionally, the HP 3000 Series 9x8LX/RX can be ordered with a deskside
1300 VA UPS, a rackmounted 1.5 kVA UPS, a rackmounted 1.8 kVA UPS, or a
rackmounted 3.0 kVA UPS. See Section 4.3 and 4.4, "Power Protection and
Cabinets for the HP 3000 Business Systems” for more information. The UPS
provides power protection to the SPU cabinet which includes the CPU
board, all internal peripherals, memory, and the Series 700 system
console (the DTC is not protected by the standard UPS).  The HP
PowerTrust UPS provides a minimum of 15 minutes of uninterrupted power
after normal AC power has been interrupted for the HP 3000 Series
9x8LX/RX systems.  *This is similar to the battery backup unit on other
HP 3000 systems.*

MPE/iX 5.0 provides the HP PowerTrust UPS Monitor/iX for the management
of HP PowerTrust UPS on the HP 3000 Series 9x8LX/RX systems.  The HP
PowerTrust UPS Monitor/iX detects all incoming AC power failures on the
HP 3000 Series 9x8LX/RX system and reports all power failure events to
the HP 3000 system logs and to the system operator (HP PowerTrust UPS
Monitor/iX does not manage "non-HP UPSs").  The HP PowerTrust UPS
Monitor/iX maintains communication with the HP PowerTrust UPS via an
RS-232 connection to the Series 9x8LX/RX processor card.  If all
components of the HP 3000 Series 9x8LX/RX system are power protected,
then normal operation and/or system shutdown can be accomplished during
the 15 minutes of power protection.

*UPS technology is superior to battery backup solutions included in
previous platforms because it can protect everything in the SPU bay plus
the system console.*
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So there's the definitive answer (our VAR deleted the PowerTrust from our
order because we planned on mounting the 928 in a cabinent that already
had a PowerTrust for the new 2 gig disk drives).  I guess I have a
knee-jerk reaction sometimes...        oh well.

Thanks again to everyone that replied.

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My mind is my own, as are my ideas and opinions.
My heart, body, and soul, however, all belong to others.          Tim.
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