G
LOSSARY
3
Echo server
A computer set up to function as an “echo” to the primary
computer. An echo server receives packets from the adapter
being tested and echoes them back to the adapter.
EISA
Extended Industry Standard Architecture. The EISA 32-bit
extended AT personal computer bus architecture is compatible
with the 16-bit ISA architecture.
EMM386
Expanded Memory Manager. A dual-purpose memory
manager that comes with MS-DOS. It provides access to the
upper memory area, which enables you to free conventional
memory by running device drivers in upper memory. EMM386
also uses extended memory to simulate expanded memory.
Refer to Microsoft documentation for additional information.
Ethernet
A local area network standard defining a physical medium
and its method of placing data, or packet signaling, on a cable.
Access to the cable is based on CSMA/CD (carrier sense
multiple access with collision detection).
Fast Ethernet
A 100 Mbps technology based on the 10BASE-T Ethernet
CSMA/CD network access method.
ISA
Industry Standard Architecture. A 16-bit extension of the
original IBM
â
PC bus architecture. The IBM Personal
Computer AT
â
bus.
Loopback
A type of diagnostic test in which the transmitted signal is
returned to the sending device after passing through all, or a
portion of, a data communications link or network. A loopback
test permits the comparison of a returned signal with the
transmitted signal.
