46 lines
1.7 KiB
Plaintext
46 lines
1.7 KiB
Plaintext
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AST RESEARCH, INC. TECHNICAL BULLETIN #0773 08-25-92
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=============================================================================
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3COM COMPATIBILITY IN AST EISA SYSTEMS
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PROBLEM: There is a bus timing problem with 3COM's 3C507 Coax board
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previous to modification 11, revision B and on the 3C507 TP
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board modification 4, revision B.
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CAUSE: When 3COM 3C507 Coax and 3C507 TP network interface cards are
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installed in AST EISA based systems, the following symptoms
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will occur:
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- Intermittent lock ups
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- Unreliable performance
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- ABEND (NetWare)
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- Trap Errors (OS/2)
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SYSTEMS
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AFFECTED: 386 Tower EISA, 486 Tower EISA, Premium SE, Power Premium, and
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486 Desktop EISA.
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SOLUTION: The following revisions must be installed to fix the problem:
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The 3C507 Coax board must be a modification 11 or higher and
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of revision B or higher. This information is located in the
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upper right hand column of the board and is displayed as
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follows:
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ASSY 6750-11 REV B
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The 3C507 TP board must be a modification 04 or higher and of
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revision B or higher. This information is located in the
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upper right hand column of the board and is displayed as
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follows:
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ASSY 7508-04 REV B
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Customers with the above problem should call 3COM's RMA
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department for an upgrade at (800) 876-3266.
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