# # (SCO Unix) How much RAM can my system use?
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© December 2003 (various)

This article is from a FAQ concerning SCO operating systems. While some of the information may be applicable to any OS, or any Unix or Linux OS, it may be specific to SCO Xenix, Open There is lots of Linux, Mac OS X and general Unix info elsewhere on this site: Search this site is the best way to find anything.

How much RAM can my older SCO Unix system use?

This depends on your OS version:


5.0.4's support for more than half a gig of memory is more stable than 5.0.2 or 5.0.0 with the LSS; if you require this much memory, you should seriously consider upgrading to 5.0.4.

You can find details on the mem= bootstring in your man page for boot(HW); the quick summary is that

Boot
: defbootstr mem=1m-768m
 

will instruct the system to scan for 768 MB of RAM. Do not specify more memory than the maximum for your release.


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