522
CTS Clear to Send
CUR Current
CVO Cover Open Switch
D0, D1, etc. Data Bit 0, Data Bit 1, etc.
DAT Data
DC Direct Current, Data Controller (a functional unit of the controller board)
DCD Data Carrier Detect
DIAG Diagnostic
DIFF Differential
DIMM Dual Inline Memory Module
DHIO Dual Hammerbank Input/Output
DMA Direct Memory Access
DP Data Processing, DataProducts
DPI Dots Per Inch
DPMC Dot Plucker Memory Controller
DPU Data Processing Unit
DRAM Dynamic Random Access Memory
DRV Drive or Driver
DRVR Driver
DSR Data Set Ready
DTR Data Terminal Ready
EC Engine Controller (a functional unit of the controller board)
EEPROM Electrically Erasable/Programmable Read-Only Memory
EHF Exhaust Fan
EL Elevator motor (power stacker)