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AST RESEARCH, INC. TECHNICAL BULLETIN #0785 11-06-92
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FASTRAM MEMORY BOARD FAILURES
PROBLEM: It has been reported that the AST FASTRAM memory board for the
Premium 286 may fail after a few years of successful
operation.
CAUSE: This is due to a possible defective capacitor located at one
or all of the following locations on the FASTRAM memory board;
C1-C3, C6, C11-C13, C20 and C34.
AFFECTED
SYSTEMS: AST FASTRAM Memory Boards with part number 202146-003 and
202146-004.
The suspect FASTRAM boards can be identified by the above part
number and by the capacitors. The capacitor is a cylinder 5
millimeters high and 5 millimeters in diameter. The color
scheme is dark blue with a light blue vertical stripe, except
for the top that is exposed aluminum metal.
SOLUTION: Customers experiencing problems on the above boards should
contact AST Research Technical Support for a Return
Authorization Number (RAN) to have the board repaired.