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AST RESEARCH, INC.         TECHNICAL BULLETIN # 1252                7-18-95

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ASCENTIA 950N AND POWERSTATION III


PROBLEM

The Ascentia 950N system is unable to power on, with the Liquid Crystal 
Display (LCD) closed, while docked in the PowerStation III.  


CAUSE

The Ascentia 950N is operating as designed.  Due to the Pentium processor, 
there is excessive heat generated by the system.  A fan on the ProStation 
(PowerStation IV) draws the heat out of the Ascentia 950N system when the 
LCD panel is closed.  However, the PowerStations I, II, and III do not have 
this feature.  To prevent damage to the system, the unit will not power on if 
the LCD panel is closed and docked to a PowerStation.


SYSTEMS AFFECTED
AST PART NUMBER AND DESCRIPTION

501707-2XX          ASCENTIA 950N/75 CSS10 510/8
501707-3XX          ASCENTIA 950N/75N CSS10 700/8
501707-4XX          ASCENTIA 950N/75N CSS10 1G/8
501708-3XX          ASCENTIA 950N/75N CT10 700/8
501708-4XX          ASCENTIA 950N/975N CT10 1G/8


SOLUTION

The Ascentia 950N system is designed for full functionality with the 
ProStation.  If the Ascentia 950N is docked on a PowerStation I, II, or III, 
the LCD must remain open to allow excessive heat to escape without harming 
the unit.