AST RESEARCH, INC.          TECHNICAL BULLETIN # 1820          5/19/98

TITLE  CPU and Bus Speed Jumper Settings for Adventure! 220/400/405

ISSUE

   Some Adventure! 200/400 Series User Manual's may incorrectly list 
   Microprocessor and Bus Speed jumper settings for the AMD K5-PR150.


ACTION

   Use the following table for correct Microprocessor and Bus Speed 
   jumper settings.
    
   CPU     	Bus Speed	BF0	BF1	SEL0	SEL1	
   Performance	(MHz)		(JP16)	(JP17)	(JP12)	(JP13)	JP14
   
   ======================================================================
   P100		66		1-2	1-2	Closed	Open	Open
   P120		60		2-3	1-2	Open	Closed	Closed
   P133		66		2-3	1-2	Closed	Open	Open
   P150		60		2-3	2-3	Open	Closed	Closed
   K5-PR150	66		2-3	1-2	Closed	Open	Open
   P166		66		2-3	2-3	Closed	Open	Open
   P200		66		1-2	2-3	Closed	Open	Open


NOTES

   This document supersedes the Addendum entitled 'Microprocessor 
   Jumper Settings Update'; (003747-001A, February 1997)


SYSTEMS AFFECTED

   503292, 503294


TAN  0134CK

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