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DM_CHD ($82) Character Device (pseudo type, internal use only)
(SCR.0, PRT.0, COM.0, NUL.0, INP.0, OUT.0)
DM_ROM ($83) ROM Information, consists of three record types:
DT_INF ($40,"@") application information
DT_HLP ($48,"H") help information
DT_NAM ($4E,"N") name of application DM_EPR ($84) EPR device (holding an eprom file area)
NOTE: It is not possible to add external device drivers to the system via a DOR, despite the major types shown above. This is because device drivers are not integrated into the DOR system.
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