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AST RESEARCH, INC.         TECHNICAL BULLETIN # 1189                5-18-95

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			ADVANTAGE! ADVENTURE 40XX HARD DRIVE "0" ERROR


PROBLEM

When the Advantage! Adventure 40XX system is cold booted using the Power ON 
switch, the system may report a "Hard Drive 0 Error".


CAUSE

The system BIOS sends a Drive Initialization Command before the Maxtor 
hard disk drive is ready, causing the above error.


SYSTEMS AFFECTED
AST PART NUMBER AND DESCRIPTION

501690-XXX     ADVANTAGE! ADVENTURE 40XX


SOLUTION

Upgrade the system with BIOS 1.01.09A or greater (AST part number 
905560-031).  To obtain the above part number, do one of the following:

1. Call AST Technical Support at (800) 727-1278.
2. Contact the nearest AST Authorized Service Center.
3. Download file 05560031.EXE from AST's BBS (817) 230-6850, in the 
   "Systems" file area.  AST's BBS supports modem speeds up to 28.8k bps.
   The above file will also be posted on: 

CompuServe 
Go ASTSUPPORT

AST Worldwide Web Site
http://www.ast.com

For additional information on the Advantage! Adventure 4066BIOS Flash 
diskette, see Software Bulletin # 0238A, in the SBS library of AST's BBS.