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Chapter 1 General Information
3
LVDS Introduction
Low Voltage Differential Signaling is a low noise, low power, low amplitude
method for high-speed (gigabits per second) data transmission over
copper wire.
LVDS differs from normal input/output (I/O) in a few ways: Normal digital
I/O works with 5 volts as a high (binary 1) and 0 volts as a low (binary 0).
When you use a
LVDS
, you add a third option (-5 volts), which
provides
an extra level with which to encode and results in a higher
maximum data
tranfer
rate.
A higher data transfer rate means fewer wires are required, as in UW (Ultra
Wide) and UW-2/3 SCSI harddrive, which use only 68 wires. These
devices require a high transfer rate over short distance. Using standard I/
O transfer, SCSI hard drives would require a lot more than 68 wires. Low
voltage means that the standard 5 volts is replaced by either 3.3 volts or
1.5 volts. LVDS uses a dual wire system, running 180 degrees of each
other. This enables noise to travel at the same level, which in turn can get
filtered more easily and effectively.
With standard I/0 signaling, data storage is contingent upon the actual
voltage level. Voltage level can be affected by wire length (longer wires
increase resistance, which lowers voltage). But with LVDS, data storage is
distinguished only by positive and negative voltage values, not the
voltage level. Therefore, data can travel over greater length of wire while
maintaining a clear and consistent data stream.
Содержание VIA Eden Series
Страница 1: ...Gene 6310 All in One SubCompact Board VIA Eden Series CPU with LAN Audio TV Out LVDS 2 COM Ports...
Страница 17: ...8 Gene 6310 User Manual Board Layout...
Страница 18: ...Chapter 1 General Information 9 Board Layout Reverse Side...
Страница 19: ...1 0 Gene 6310 User Manual Board Dimensions...
Страница 20: ...Chapter 1 General Information 11 Board Dimensions Reverse Side...
Страница 22: ...Chapter 2 Installation 13 Locating Jumpers Connectors...
Страница 23: ...1 4 Gene 6310 User ManualBC 599 596 Locating Jumpers Connectors Reverse side...
Страница 24: ...Chapter 2 Installation 15 Mechanical Drawing...
Страница 25: ...1 6 Gene 6310 User ManualBC 599 596 Mechanical Drawing Reverse...
Страница 84: ...Chapter 4 Driver Installation 75 4 Click Yes 5 Select Normally Install and then click Next...
Страница 85: ...Gene 6310 User Manual 76 6 Remain the default setting and then click Next 7 StillclickNext...