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Reconnect is the function that occurs when a target selects an
initiator to continue an operation after a disconnect.
EEPROM
Electrically-Erasable Programmable Read Only Memory. An inte-
grated circuit used to store the host adapter firmware, which
allows both mode download and firmware upgrade while in-
circuit.
EISA
Extended Industry Standard Architecture. A superset standard of
the 8- and 16-bit ISA standard which allows 32 bits of data to be
transferred across the bus at up to 33 MBytes/second.
Enhanced Mode
The operation mode of the AHA-1740A/1742A/1744 to take full ad-
vantage of the addressing range and register set available under
EISA. It is not compatible with earlier revisions of ASPI manag-
ers and drivers.
EPROM
Erasable Programmable Read Only Memory. An integrated cir-
cuit used to store the host adapter BIOS.
FIFO
First In/First Out. A queuing order in which items are removed
from the queue for execution in the same order in which they are
placed in the queue. An integrated circuit that buffers data in
such a manner that each byte placed in the buffer is removed
from the buffer in the same order.
Firmware
The software that controls and manages the host adapter. It is
firm as opposed to soft because it is designed into the host adapt-
er and cannot be modified by the user.
Host
A microcomputer in which a host adapter is installed. The host
uses software to request the services of the host adapter in trans-
ferring information to and from peripheral devices attached to the
SCSI bus connector of the host adapter.
adaptec AHA-1740A/1742A/1744
GL-4