Themis TA64, Руководство по оборудованию

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Themis Computer
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Glossary
The terminology used in this manual generally follows industry conventions. The
following list defines the specific meanings of words and terms that
may be used in
this manual.
APB : Advanced PCI Bridge
Arbitration : The process of assigning a resource to one of several requestors.
ASI : An abbreviation for “Address Space Identifier.”
Boot : The process of initializing the hardware to execute and run an operating Sys-
tem such as Solaris 0.
cPCI : Compact PCI. An adaptation of the PCI Specification for industrial and/or
embedded applications requiring a more robust mechanical form factor than
desktop PCI applications.
CPI : Cycles per Instruction. The number of clock cycles required to execute one
instruction.
CTS : Clear to send (DCE to DTE).
DCD (or CD): Data carrier detected (tone from a modem; DCE to DTE).
DCE : Data circuit-terminating/communications equipment (a modem, for example).
Device tree : The BIOS probing process constructs a hierarchal representation of the
hardware devices that are found on the bus, the host-bus being the root. The
device tree includes several device nodes (PCI bus is a device-node).
DMA : Direct Memory Access. A facility of some architectures that allows a periph-
Appendix