This document, FCO KA48-F001, provides instructions for correcting multiple bugs found in the version V1.2 ROM code for the VAXstation 4000 Model VLC. The bugs include issues with power-cycling settings, peripheral (tablet/stylus) functionality, SCSI device recognition, self-test failures, and keyboard selection. The solution is to replace the existing ROMs with version V1.3. The document includes a quick check procedure to identify if the upgrade is needed, a list of required tools, part information, and detailed step-by-step instructions for installation, including safety precautions and hardware diagrams.
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