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EXPANDED MEMORY MANAGER ERROR CODES
EMM error codes are returned in AH after a call to the EMM (int 67h)
Code Meaning
00h Function successful
80h Internal error in EMM software (possibly corrupted driver)
81h Hardware malfunction
82h EMM busy (dropped in EEMS 3.2)
83h Invalid EMM handle
84h Function requested not defined - unknown function code in AH.
85h No more EMM handles availible
86h Error in save or restore of mapping context
87h More pages requested than exist
88h Allocation request specified more logical pages than
currently availible in system (request does not exceed
actual physical number of pages, but some are already
allocated to other handles); no pages allocated
89h Zero pages; cannot be allocated (dropped in EMS 4.0)
8Ah Logical page requested to be mapped outside range of logical
pages assigned to handle
8Bh Illegal page number in mapping request (valid numbers are 0
to 3)
8Ch Page-mapping hardware state save area full
8Dh Save of mapping context failed; save area already contains
context associated with page handle
8Eh Retore of mapping context failed; save area does not contain
context for requested handle
8Fh Subfunction parameter not defined (unknown function)
LIM 4.0 extended error codes:
90h Attribute type undefined
91h Warm boot data save not implemented
92h Move overlaps memory
93h Move/exchange larger than allocated region
94h Conventional/expanded regions overlap
95h Logical page offset outside of logical page
96h Region larger than 1 MB
97h Exchange source/destination overlap
98h Source/destination undefined or not supported
99h (no status assigned)
9Ah Alternate map register sets supported, specified set is not
9Bh All alternate map & DMA register sets allocated
9Ch Alternate map & DMA register sets not supported
9Dh Alternate map register or DMA set not defined, allocated or
is currently defined set
9Eh Dedicated DMA channels not supported
9Fh Dedicated DMA channels supported; specifed channel is not
A0h Named handle could not be found
A1h Handle name already exists
A2h Move/exchange wraps around 1 MB boundry
A3h Data structure contains corrupted data
A4h Access denied
See Also History Programming Specifications Func/40h Func/4Eh/00h |
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