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<sect2 arch="m68k" id="firmware-revs">
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<title>Firmware Revisions and Existing OS Setup</title>
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&arch-title; machines are generally self-configuring and do not require
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firmware configuration. However, you should make sure that you have
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the appropriate ROM and system patches. On the Macintosh, MacOS
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version >= 7.1 is recommended because version 7.0.1 contains a bug in
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the video drivers preventing the boot loader from deactivating the
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video interrupts, resulting in a boot hang. On the BVM VMEbus systems
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you should make sure you are using BVMBug revision G or higher boot ROMs.
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The BVMBug boot ROMs do not come as standard on the BVM systems but are
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available from BVM on request free of charge.