SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 249

• Manufacturer Part Number: SPC8104
• Description: VGA LCD CONTROLLER
• Manufacturer: S-MOS Systems

1.0
The SPC8104 Panning Display Driver produces a usable display desktop in Windows 3.1x which
can exceed the size of the physical display device. The Panning Driver allows the physical display
to act as a window which moves over the larger virtual desktop. The driver uses hardware pan-
ning and scrolling techniques keep the mouse pointer visible on the screen.
This driver uses OEM-definable physical and virtual display sizes and is capable of supporting
many different combinations of vertical and horizontal resolutions including small panel sizes.
1.1
1.2
If you have not already installed Windows 3.1x use the Custom Setup procedure outlined in Get-
ting Started with Microsoft Windows to install the Virtual Driver along with Windows.
If Windows has been installed previously with another display driver, use SETUP.EXE (found in
the Windows directory) to install the Virtual Driver. Follow the instructions under Installing a
Device Driver Not Supplied with Microsoft Windows 3.1 in the Microsoft Windows User’s Guide.
From the list of displays presented by SETUP, choose “Other display (requires disk from OEM)”.
When prompted, insert the SPC8104 Utilities Diskette in the appropriate drive and follow the on-
screen instructions.
1.3
The Panning Display driver can work with a physical display of practically any size including 200,
240, 256 and 400 line panels. Although virtual sizes can range up to 1024 x 768 pixels, only three
virtual sizes are supported by the supplied OEMSETUP.INF file. They are:
During operation the displayed image shifts beneath the window to keep the mouse pointer visible
at all times. For example, as the mouse pointer approaches the right side of the screen, the
screen image will shift left to expose more of the right side of the image. As the mouse pointer
SPC8104
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412-1.0
Video Controller
Display Type
BIOS
DOS Program
DOS Version
Windows Program
Windows DOS Box
Windows DOS Full Screen : N/A
OS/2 DOS Full Screen
PHYSICAL (virtual size equals physical size);
640 x 480 (standard VGA);
800 x 600 (standard SVGA).
DOCUMENT TITLE VARIABLE
Requirements
Installation
Operation
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
: SPC8104, SPC8106, SPC8108, SPC8110
: OEM definable LCD or CRT
: Seiko Epson VGA BIOS
: No
: 3.0 or greater
: Windows 3.1x only
: N/A
: No
Windows 3.1 16-Color Panning Display Driver
DI1-3