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Part: V Appendixes > UMBHERC.SYS

UMBHERC.SYS

UMBHERC.SYS maps the video memory of a Hercules adapter as upper memory blocks (UMBs) that are used for loading programs with the LOADHIGH command if a Hercules graphics adapter or Hercules Graphics Adapter Plus also is present.

UMBHERC.SYS is one of the installable device drivers provided with DOS. You must load it by using either a DEVICE= or DEVICEHIGH= command in the CONFIG.SYS file.


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