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AST RESEARCH TECHNICAL BULLETIN TB-0154 2-19-86
EAGLE SPIRIT PC COMPATIBILITY WITH AST 5251/11 EMULATION
The EAGLE SPIRIT personal computer has been found not to be
compatible with the AST-5251/11 emulation. According to Eagle
Computer Inc., the reason for the incompatibility is due to their
hardware design of the EAGLE SPIRIT computer's BUS.
The BUS pin number A1 (I/O channel check), required for our
emulation, is not present on their machine. The I/O channel
check, however, is present on the IBM personal computer's BUS
design, and is utilized by the AST-5251/11 emulation.