Sun Microsystems Ultra 5, Service Manual

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Glossary-2 Sun Ultra 5 Service Manual • February 2000
DOC Department of communications.
dpi Dots per inch.
DRAM Dynamic random-access memory. A read/write dynamic memory in which the
data can be read or written in approximately the same amount of time for any
memory location.
DTAG Dual tag or data tag.
DTE Data terminal equipment.
EBus Extension bus.
ECC Error checking code.
EDO Extended data out.
EIDE Enhanced IDE.
EMI Electrostatic magnetic interference. Electrical phenomena that directly or
indirectly contributes to a degradation in performance of an electronic system.
Ethernet A type of network hardware that provides communication between systems
connected directly together by transceiver taps, transceiver cables, and various
cable types such as coaxial, twisted-pair, and fiber-optic.
FBC Frame buffer controller. An ASIC responsible for the interface between the
UPA and the 3DRAM. Also controls graphic draw acceleration.
FCC Federal communications commission.
FIFO First-in-first-out.
flash PROM Flash programmable read-only memory.
Gbyte Gigabyte.
GUI Graphical user interface.
IDC Insulation displacement connector.
IDE Intergrated drive electronics.
I/O Input/output.
JTAG IEEE standard 1149.1.
Kbyte Kilobyte.
LAN Local area network.
LED Light-emitting diode.
MAC Media access controller.