User`s manual

Rastergraf
Installing Your Peritek Graphics Board 2-17
2.8 Using an Eclipse3 Board in a PC
2.8.1 Multiboard Operation
The Windows 2000 and Windows XP drivers and Linux SDL and X Free
86 4.2 support multihead operation.
Single Graphics Board
If you are using a PC and the Rastergraf board is to be the system display
(and you don't have another VGA controller installed), the system BIOS
should find the Rastergraf board, and initialize the display.
Multiple Graphics Boards
If you do have another VGA board in the system, the order in which the
boards are plugged into the backplane or motherboard will determine
which board will be used for the system display. If the BIOS picks the
wrong one, turn off the computer and swap the boards' positions.
If your system has a non-removable VGA controller and you want to use
the Rastergraf board as the system display you may have a problem. If the
BIOS starts up using the built-in VGA, you may be able to disable it with
a BIOS setting. Otherwise, contact the system board manufacturer. Failing
these things, you are probably out of luck.
2.8.2 Rastergraf Quad Image BIOS VGA Image
The Rastergraf E3 boards feature four 32KB BIOS images, suitable for
both x86 (Windows, DOS, Linux) and FCode (Sun). The images conform
to the PCI R2.2 Expansion ROM specification. The PROM is organized as
VGA, FCode, VGA with Sync-On-Green, and FCode with Sync-On-
Green for a total size of 128KB. For maximum compatibility with non-
compliant systems the x86 image precedes the FCode image.
The Sync-On-Green jumper selects the one or the other half of the PROM.
On boot up the system BIOS locates and runs the appropriate ROM code.
Note: not all E3 boards have the jumper pins installed. Check with your
sales representative if you need this feature.