PEOF 86989,26 Physical End of File

[Don Saklad]

In this disk first aid error message,
is 86989 the physical end of file or the logical end of file?...

ATA Bus O Dev O,
(Startup Disk)

Checking disk "Macintosh HD"
...
Problem: Invalid PEOF,86989,26
Test done. Problems were found, but Disk
First Aid cannot repair them.

2.
How do you interpret top to bottom and left to right in the diagram at
http://docs.info.apple.com/article.html?artnum=16231

3.
Where do the labels file, data, ok refer to on the diagram?...

Which of the broken lines in the diagram at
http://docs.info.apple.com/article.html?artnum=16231
do each of the labels refer to exactly?...
FILE
DATA
OK

The context here is regarding the 333 MHz 96MB RAM cd tray iMac OS 8.6