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AST RESEARCH, INC.          TECHNICAL BULLETIN # 1222               6-14-95

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EASYPORT COMPATIBILITY ON AST PORTABLE COMPUTERS

This is an informational bulletin.

The following table provides compatibility information for AST portable 
computers and the optional EasyPort port replicator.

Please note:  

"Supported"   =  Recommended configurations.  All documented features will 
operated correctly. 

"Not Supported" = Configurations not recommended.  The unit may appear to be 
working, however, one or more of the documented features will not operate 
correctly.

"Not Compatible" = Different mechanical design.  Connection to EasyPort 
not possible.

				   EasyPort I        EasyPort II       EasyPort III
				   500974-001        501602-001        501682-001
								 
Power Exec             Supported         Supported         Not Supported
BIOS 2.26.01                                               See note # 2

Ascentia 800N/810N     Not Compatible    Not Compatible    Not Compatible

Ascentia 900N          Supported         Supported         Supported 
BIOS 2.02.08

Ascentia 910N          Not Supported     Not Supported     Supported
BIOS 2.03.02           See note # 1      See note # 1
Ascentia 950N          Not Supported     Not Supported     Supported
1.00.06                See note # 1      See note # 1


NOTES

1.  EasyPort I & II Power connector not compatible with Ascentia 910N and 
    950N AC Adapter.

2.  EasyPort III Power connector not compatible with PowerExec AC Adapter.