Checkpoint
(hex)
Description
FE6 Set up early memory allocation heap
FE8 Initialize primary diskette drive in polled mode
FEA Try to load in recovery image from diskette
FEB Verify recovery image is valid
FEC Get recovery image entry point
FED Invalidate instruction cache
FEE Jump to composite image
FF0 Manufacturing - Check for Parallel Port hook
FF4 Manufacturing - Start flag not received
FF5 Manufacturing - Invalid Start flag received
FF6 Manufacturing - Receive character timeout
FF7 Manufacturing - CRC value mismatch
FFA Error during flash update
FFC Operating System boot - No errors reported by IPL ROS
FFD Operating System boot - Non-critical errors reported by IPL ROS
FFE No boot - Critical error(s) reported by IPL ROS or “F1” key pressed
A-4 Service Guide
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