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AST RESEARCH, INC. TECHNICAL BULLETIN #0723 12-02-91
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AST PREMIUM/386 TOWER EISA DETECTING RAM MEMORY AT 512K
PROBLEM: When the system is configured with 512K of base memory the
system BIOS may incorrectly identify LAN cards RAM memory as
system memory. This problem will occur when the LAN card RAM
has a starting address of 512K.
When the system is re-booted via CNTL-ALT-DEL the following
error message is displayed:
[20.30] Memory size error - Run EISA config utility.
AFFECTED
SYSTEMS: Premium/386 Tower EISA system board with the following part
number:
202377-002 Revision "D" and below.
CAUSE: System BIOS incorrectly testing memory in the
512K - 640K range.
SOLUTION: This problem has been resolved with a new release of the
system BIOS. Customers experiencing this problem should have
the system BIOS upgraded to version 1.14, see Field Change
Notice #0046B.