Advantech PCA-6774, User Manual

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PCA-6774 User’s Manual 48
Chapter 5 PCI SVGA Setup
5.1 Introduction
The board has an onboard AGP flat panel/VGA interface. The specifica-
tions and features are described as follows:
5.1.1 Chipset
The board uses a VIA Twister 8606T chipset from VIA Technology Inc.
for its AGP/SVGA controller. It supports many popular LCD, and LVDS
LCD displays and conventional analog CRT monitors. The VIA8606T
VGA BIOS supports color TFT and DSTN LCD flat panel displays. In
addition, it also supports interlaced and non-interlaced analog monitors
(color and monochrome VGA) in high-resolution modes while
maintaining complete IBM VGA compatibility. Digital monitors
(i.e. MDA, CGA, and EGA) are NOT supported. Multiple frequency
(multisync) monitors are handled as if they were analog monitors.
5.1.2 Display memory
The Twister chip can support 8/16/32MB frame buffer shared with sys-
tem memory; the VGA controller can drive CRT displays or color panel
displays with resolutions up to 1280 x 1024 at 16 M colors.
5.1.3 Display types
CRT and panel displays can be used simultaneously. The board can be set
in one of three configurations: on a CRT, on a flat panel display, or on
both simultaneously. The system is initially set to simultaneous display
mode. If you want to enable the CRT display only or the flat panel display
only, please contact VIA Technology Inc., or our sales representative for
detailed information.