id summary reporter owner description type status priority milestone component version resolution keywords cc 470 Suggest to import flat DS selector instead of computing it Lars Erdmann eco "I just tried my suggestion to import the values from FlatCS and FlatDS from DOSCALLS and it works.[[BR]] Looking at the code: you erroneously took the ADDRESS of the symbol (extrn DOSFLATDS: WORD) but the value is an ABSOLUTE value (extrn DOS32FLATDS:ABS). Therefore:[[BR]] \src\acpi\psd\makefile:[[BR]] ...[[BR]] LIBRARY ACPI[[BR]] ;PROTMODE[[BR]] ;DATA PRELOAD SINGLE SHARED MOVABLE[[BR]] ;CODE PRELOAD MOVABLE[[BR]] IMPORTS [[BR]] DOS32FLATCS=DOSCALLS.369 [[BR]] DOS32FLATDS=DOSCALLS.370 [[BR]] EXPORTS [[BR]] PSD_APP_COMM = _PSD_APP_COMM[[BR]] PSD_INSTALL = _PSD_INSTALL[[BR]] PSD_DEINSTALL = _PSD_DEINSTALL[[BR]] PSD_INIT = _PSD_INIT[[BR]] PSD_GET_NUM_OF_PROCS = _PSD_GET_NUM_OF_PROCS[[BR]] PSD_PROC_INIT = _PSD_PROC_INIT[[BR]] PSD_START_PROC = _PSD_START_PROC[[BR]] PSD_GEN_IPI = _PSD_GEN_IPI[[BR]] PSD_END_IPI = _PSD_END_IPI[[BR]] PSD_IRQ_MASK = _PSD_IRQ_MASK[[BR]] PSD_IRQ_REG = _PSD_IRQ_REG[[BR]] PSD_IRQ_EOI = _PSD_IRQ_EOI[[BR]] PSD_SET_ADV_INT_MODE = _PSD_SET_ADV_INT_MODE[[BR]] PSD_RESET_MODE = _PSD_RESET_MODE[[BR]] PSD_SET_PROC_STATE = _PSD_SET_PROC_STATE[[BR]] PSD_PROC_HLT = _PSD_PROC_HLT[[BR]] [[BR]] <