- DATA
- DATA_PROTECT
- DAY
- DEB
- DEBUG
- DEBUG_DETECT
- DEBUG_PROC_TREE
- DEC
- DECREASE_IL
- DEFAULT_MAJOR_ROOT
- DEFAULT_MINOR_ROOT
- DEF_INITSEG
- DEF_SETUPSEG
- DEF_SYSSEG
- DEF_SYSSIZE
- DELETED_FLAG
- DEVICE_INTR
- DEVICE_NAME
- DEVICE_NR
- DEVICE_OFF
- DEVICE_ON
- DEVICE_REQUEST
- DEVICE_TIMEOUT
- DF
- DIAGF
- DID_ABORT
- DID_BAD_INTR
- DID_BAD_TARGET
- DID_BUS_BUSY
- DID_ERROR
- DID_NO_CONNECT
- DID_OK
- DID_PARITY
- DID_RESET
- DID_TIME_OUT
- DINDIRECT_BLOCK
- DIRECT_BLOCK
- DISCONNECT
- DIV10
- DMA_CH
- DMA_EN
- DMA_MASK_REG
- DMA_MODE_REG
- DMA_READ
- DMA_WRITE
- DRIVE
- DRIVER_BUSY
- DRIVER_ERROR
- DRIVER_HARD
- DRIVER_INVALID
- DRIVER_MASK
- DRIVER_MEDIA
- DRIVER_OK
- DRIVER_SENSE
- DRIVER_SOFT
- DRIVER_TIMEOUT
- DRIVE_INFO
- DRQ_STAT
- DS
- DTD_IN
- DTD_NONE
- DTD_OUT
- DTD_SCSI
- DUMP_SEEK
- DUMP_WRITE
- D_ATTRS
- D_BINARY
- D_BUSY
- D_DEPEND
- D_OLD
- D_START
- Data_Mode_Cntl