Appendix
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PPC-1781
use, all the data media must be formatized.
Common malfunctions
Reasons of error, reason analysis, corrective measures.
Cache
The high-speed access buffer area of intermediate storage used for data request.
Plug-and-play
It usually refers to the capability of automatic system configuration of PC to
communicate with peripheral devices (such as monitor, modem or printer). Users can
insert a peripheral device and immediately use it without manual system configuration.
Plug-and-Play dev ices need to support Plug-and-Play BIOS and Plug-and-Play
expansion card.
Concentrator
A jargon in the network technology. It refers to a device in the network, located in the
central position and connected to multiple communication cables, to provide public
connection for all the devices on the network.
Extensible Firmware Interface (EFI)
EFI refers to the central interface between firmware and various assemblies and
operating system of PC. Logically, EFI is located under the operating system. It is the
successive specifications of device BIOS, and mainly targets 64-bit system.
