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Xycom 3510T Manual
Also see for 3510KP: System manual
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Contents
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3500 Flat Panel Industrial PCs42Video DriversVideo drivers and the expansion utilities are on the diskette included with thedocumentation kit as well as on the hard drive.For the AHIP6+ system, the video drivers are in the following directories:C:\VGA\C&T554\WIN95C:\VGA\C&T554\WINNTC:\VGA\C&T\DOS\UTILITIESFor the AHIP4+ system, the video drivers are in the following directories:C:\VGA\C&T550\WIN95C:\VGA\C&T550\WINNTC:\VGA\C&T\DOS\UTILITIESVideo ExpansionThis section deals with the hardware expansion capability of the video controllerchip in DOS applications.NoteIt is not necessary to read this section if you are a Windows or OS/2 user and do notplan to run DOS applications, and have not modified the default expansion mode inthe BIOS setup,Unlike a CRT, a flat panel display has a fixed horizontal and vertical resolution.There are many DOS video modes whose resolution is less than that of a flat paneldisplay. In order to more efficiently make use of the flat panel display’s active area,it is necessary to employ an expansion technique which stretches the lowerresolution information to fill the higher resolution of the display. For example, DOSdefaults to VGA video mode 3+. This is an 80 column, 25-row text only screenwhose effective resolution is 640 dots x 400 scan lines. Because of this, the 800 x600 display of the system will be partially filled by the 640 x 400 resolution of thisparticular mode. By enabling the expansion function, these lower resolutions willbetter utilize the display by stretching the information in an attempt to fill thedisplay. Operating systems such as Microsoft Windows 95, and Windows NT usedisplay drivers to handle the different flat panel displays. Here expansion is notnecessary since there is a specific driver for each resolution display.Expansion does not add any resolution to the existing information; it simply stretchesthe information to better fit the display. Text and graphic screens can look somewhatgrainy from the process of expansion. If the effect of expansion is undesirable, it canbe turned off either in the BIOS setup, or by executing an included utility program.See the table below for the three utility programs included to allow expansion to beturned on, turned off, and set back to the BIOS default state and what effect theyhave on the display.Video Expansion Options |
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