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message communications to STREAMS-based network interface drivers.
DMA (direct memory access) A method of moving data from a storage device
directly to RAM, without using the CPU’s resources.
directly to RAM, without using the CPU’s resources.
DMA Bus Master A feature that allows a peripheral to control the flow of data to
and from system memory by blocks, as opposed to PIO (Programmed I/O) where
the flow is byte by byte.
and from system memory by blocks, as opposed to PIO (Programmed I/O) where
the flow is byte by byte.
EEPROM (electronically erasable programmable read-only memory) A
memory chip typically used to store configuration information. See NVRAM.
memory chip typically used to store configuration information. See NVRAM.
EISA (Extended Industry Standard Architecture) An extension of the 16-bit
ISA bus standard. It allows devices to perform 32-bit data transfers.
ISA bus standard. It allows devices to perform 32-bit data transfers.
Ethernet: A 10 Mbit/s LAN, developed by Digital Equipment
Corporation, Intel, and Xerox Corporation, upon which the IEEE 802.3
network is based.
Corporation, Intel, and Xerox Corporation, upon which the IEEE 802.3
network is based.
External SCSI Device A SCSI device installed outside the computer cabinet.
External SCSI devices are connected in a chain using shielded cables.
External SCSI devices are connected in a chain using shielded cables.
Fast Ethernet: A commonly used name applied to 100Base-T.
FCC Federal Communications Commission.
File
A named collection of information, usually stored on a disk.
Firmware Software that is permanently stored in ROM. In the case of BIOS, it can
be accessed during boot time without the aid of an operating or file system.
be accessed during boot time without the aid of an operating or file system.
Full-Duplex Mode: A mode of media utilization whereby data can flow
in both directions simultaneously across the multiple wire pairs of a
physical link. While full-duplex operation is not defined per se in the
IEEE 802.3u-1995 specification, the specification does define a
mechanism for this mode to be autonegotiated between devices on each
end of a link. Full-duplex mode is typically found on switches.
in both directions simultaneously across the multiple wire pairs of a
physical link. While full-duplex operation is not defined per se in the
IEEE 802.3u-1995 specification, the specification does define a
mechanism for this mode to be autonegotiated between devices on each
end of a link. Full-duplex mode is typically found on switches.
HSC: High speed connect bus.
Half-Duplex Mode: The media utilization mode of IEEE 802.3u-1995