Habey BIS-6590 - Manual (Page 49)

LAN
Network interface. Network grouped by correlative computers in a small
area, generally in a company or a building. Local area network is buildup
by sever, workstation, some communications links. Terminals can access
data and devices anywhere through cables, which enables users to share
costly devices and resource.
LED
Light-Emitting Diode. A semiconductor device that shines when power
supply is connected, often used to denote info directly by light, for exam-
ple, to denote power on or HDD work normally.
PnP
Plug-and-Play. It is a specification that allows PC to configure its external
devices automatically and can work independently without the manual op-
eration by its user . To achieve this function, its BIOS should be able to
support PnP and a PnP expansion card
POST
Self-test when power on. While the system is booting, BIOS will do an un-
interrupted testing to the system, including RAM, keyboard, hard disk driv-
er etc.to check if all the components are in normal situation and work well.
PS/2
A keyboard & mouse connective interface specification developed by IBM.
PS/2 is a DIN interface with only 6PIN; it also can connect other devices,
like modem
USB
It is Universal Serial Bus for short. A hardware interface adapts to low
speed peripherals, and is always used to connect keyboard, mouse etc.
One PC can connect maximum 127 USB devices, providing 12Mbit/s
transmit bandwidth USB supports hot swap and multi- data stream, name-
ly, you can plug USB devices while system is running, system can au-
to-detect and makes it work on.
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