DIGITAL-LOGIC AG MSM586SEN/SEV Manual V1.5E
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5.6.2 VGA BIOS download function
The BIOS for the VGA must be downloaded, before a LCD is connected. This could be also a new LCD- dis-
play, which needs a corresponding VGA- BIOS.
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Select the SHADOW option in the BIOS, for a BIOS and VGA (if this option is available).
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Disable the EMM386 or other memory managers in the CONFIG.SYS of your bootdisk.
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Make sure, that the FLASH520.EXE programm and the BIOS to download are on the
same path and directory!
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Boot the DOS without config.sys & autoexec.bat -> press “F5” while starting DOS boot.
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Is the empty diskspace, where the download tool is located, larger than 64kB (for safe storage)
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Is the floppydisk not write-protected
Start the DOWNLOADING process:
1. Start the system with the bootable diskette. If you do not have a bootable diskette or floppy drive,
you may can start in DOS mode by pressing the F5 key to disable the autoexec.bat and config.sys.
2. Run Flash520 -V lcd_file.000
3. If the bios download is finished you have to power off the system
4. Now the download procedure is finished
If the download does not work:
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Check, if no EMM386 is loaded.
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Check, if no peripheral card is in the system, which occupies the same memory range. Disconnect this
card.
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If the download is stopped or not completed, make only a warm boot and repeat the steps or download
another file. As the video is may shadowed, everything is visible and a cold boot would clear the screen
and nothing would be visible afterwards.
If the screen flickers or is misaligned after reboot:
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The previously loaded VGA- BIOS is not corresponding 100% or works only on the LCD properly.
If the screen is dark after the reboot of the system:
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A new system BIOS must be programmed. Ask DIGITAL-LOGIC AG for the binary file.
If the previous version is still programmed:
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Switch off the board and do not make a warm boot due to the fact that the data may are still stored in the
memory shadow.
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Product: BIOS-Core download VGA-BIOS download BIOS-Ext. download
File-Extension: *.COR *.V40 , *.V45 *.V48
depending on the product
*.BIN
BIOS Size: 128k 32k 32k
Addressrange: E0000 - FFFFFh C0000 – C7FFFh C8000 - CFFFFh
MSM586SEN / SEV / SL flash520.exe flash520.exe -
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