Building Xenix 2.2.1 and partitions...
Stephen M. Gerard
gerard at tscs.UUCP
Fri Aug 5 08:57:14 AEST 1988
In article <2172 at cadovax.UUCP> mitchell at cadovax.UUCP (Mitchell Lerner) writes:
>I recently installed a MAXTOR 1085 HD in my Wyse AT and installed SCO Xenix
>
>Why did I get only ~~71 usable MB out of my 85MB MAXTOR?
The Maxtor 1085 has the following geometry:
Cylinders: 1024
R/W Heads: 8
To calculate the usable capacity of a disk use the following formula:
UsableCapacity = Cylinders * Heads * SectorSize * SectorsPerTrack
So:
71,303,168 = 1024 * 8 * 512 * 17
71,303,168 Bytes = 68.00 Megabytes
CAVEAT EMPTOR:
-------------
1 Megabyte = 1,048,576 bytes NOT 1,000,000 bytes
Most vendors don't appear to know the difference!
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