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Advanced Users
13.3.9 Other Motherboards and SBC
Selecting which version of Video BIOS to use can be complicated because it requires an understanding of which graphics card
the System BIOS will choose as its boot device. The rules change from one motherboard model to the next but normally the
System BIOS will either choose the first graphics device it enumerates, or the last. The algorithm used by the System BIOS can
be discovered by placing cards in different slots and noting which one it uses to display the boot messages.
Determining which card is used can be complicated further with multiple expansion chassis but it can still be derived through
experimentation with a few
XtremeVision-Pro
cards.
By default we would recommend leaving all
XtremeVision-Pro
as IO Enabled unless the amount of IO required exceeds that which can
be provided in the system.
13.3.10 Programming the
XtremeVision-Pro
The
XtremeVision-Pro
must be successfully mapped by the System BIOS before we are able to program it. We cannot therefore
install
all 16 cards and program them on mass to disable the IO. We must program them in small batches so that they can be
allocated
IO by the System BIOS.
To program the Video BIOS we use a tool provided by the GPU Manufacturer, AMD. This is called ATIFLASH.EXE. ATIFLASH.
EXE can program any AMD based graphics card. Where another AMD based card is installed in the system (for instance as a
control screen) extra care must therefore be taken to ensure that only the
XtremeVision-Pro
is updated.
Replacing the Video BIOS of a different AMD card with the
XtremeVision-Pro
BIOS will break it and potentially leave it in an
unrecoverable state. Do not use another AMD Graphics card in the system used to program the
XtremeVision-Pro
.
ATIFLASH.EXE must be used from an MS-DOS BOOT environment and will not work when run under Windows. Normally this
entails creating a USB Boot disk from which the MS-DOS environment can be booted. There are a number of ways of creating a
USB Boot Disk. We tend to use an open source package called “Rufus” and further documentation can be found online.
Once the USB Boot disk has been created copy the files included in the
XtremeVision-Pro
BIOS to the USB stick and then reboot
the
machine. Enter the System BIOS and ensure that the USB disk is the boot device. Instructions on selecting the USB disk as the
boot drive can be found in the motherboard manual.
Once inside the MSDOS environment the command line below can be used to program the bios_file to the
XtremeVision-Pro
device
which is referenced by card_num:
ATIFLASH –f –p <card_num> <bios_file>
There are currently two ROM files released for the
XtremeVision-Pro
*:
DP4_R110.bin is the ROM file which enables IO on the
XtremeVision-Pro
so that it can be used as the boot device.
DP4_R120.bin is the ROM file which disables IO on the
XtremeVision-Pro
so that it can be used to create large systems.
Run in the MS-DOS environment, the following commands will flash the first four
XtremeVision-Pro
cards with the BIOS file
called
DP4_R120.BIN. This will disable the IO on these cards:
ATIFLASH -f -p 0 DP4_R120.bin
ATIFLASH -f -p 1 DP4_R120.bin
ATIFLASH -f -p 2 DP4_R120.bin
ATIFLASH -f -p 3 DP4_R120.bin
79
Advanced Users