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Glossary
Glossary–2 7017 6300–005
D
DAC
Direct access channel
DDMP
Dual-domain, multiple-processor
DIMM
Dual inline memory module
data transfer unit (DTU)
The subunit of an I/O module (IOM) that provides memory-to-memory data transfers for
use in disk caching.
data transfer facility (DTF)
enhanced DTU
dual domain adapter (DDA)
Required for dual-domain models. Enables the SCP to communicate with and synchronize
the operations of dual-domain systems.
E
ES
Enterprise server
F
F/T
Feedthru
FDDI
Fiber distributed data interface
H
HMP
Heterogeneous multi processing