DEC GTX5166M Service Quick Reference Manual page 99

Troubleshooting
Message Description
System RAM Failed System RAM failed at offset nnnn of in the
at offset: nnnn 64k block at which the error was detected.
nnnn System RAM nnnn is the amount of system RAM in
Passed kilobytes successfully tested.
System timer error The timer test failed. Requires repair of
system board.
UMB upper limit Displays the address of the upper limit of
segment address: Upper Memory Blocks, indicating released
nnnn segments of the BIOS which may be
reclaimed by a virtual memory manager.
Video BIOS Video BIOS successfully copied to shadow
shadowed RAM.
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