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12
Video Subsystem
The LXE VX8 video subsystem consists of a color TFT display. The resolution of this display is
800 by 600 pixels (SVGA).
The AGP video controller uses a portion of the system memory. The amount of system memory
assigned to the integrated graphics controller may be set in the BIOS.
The display supports screen blanking to eliminate driver distraction when the vehicle is in motion.
Please see "Vehicle DC Connection" later in this chapter for details.
Power Input
Vehicle power input for the VX8 is determined by the DC/DC power supply selected. The
DC/DC power supply accepts input in the stated range and provides a conditioned 12V DC output
for the VX8.
If 12V to 60V DC power is not available – for example, in an office environment – an optional
external Universal Input Power Supply can be used to convert AC wall power to an appropriate
DC level. See "Power Supply", later in this chapter, sub-section titled "External Power Supply."
Uninterruptible Power Supply
A DC uninterruptible power supply (UPS) battery is included to maintain power to the VX8 for a
minimum of 15 minutes when vehicle power is not available (such as when a vehicle battery is
being swapped). The UPS is configured via the VMT Manager.
Backup Battery
The LXE VX8 has a permanent lithium battery installed to maintain time, date and BIOS setup
information. The backup battery is not user serviceable and should last five years with normal use
before it requires replacement.
Note:
PCMCIA Slot
Microsoft Windows Plug and Play operating system controls the PCMCIA cards. These cards are
hot swappable per the CardBus/PCMCIA specifications.
Power Management
The VX8 uses Microsoft Windows Power Management. The VX8 has two operating modes:
Normal and Standby.
In Normal operating mode all systems are powered up and the video display is on. The RS-232
ports, any installed PCMCIA cards are active. However, Microsoft Windows also allows the
display and hard disks to be shut down in normal mode to conserve energy.
The Standby mode shuts down many devices such as the display and hard drives. For complete
details on the standby mode, please refer to the Microsoft Windows help screens.
VX8 Reference Guide
This battery should only be changed by authorized service personnel.
Hardware Configuration
E-EQ-VX8RG-A
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Troubleshooting
