Mac OS X always tries its very best to load what your using in Ram. It will even take Ram away from other apps to assign Ram to what you're currently working on. Give it lots of Ram to work with, and it will do an even better job.
and from that article just for the SETI team and knowing how noisy some drive heads can be
"or users of both laptop and desktop systems who set up hard drive spin-down times, judicious use of a RAM disk will allow the hard drive to spin down sooner and spin up less frequently. This means less hard drive abuse and less noise. This use of RAM disks to avoid small, frequent, annoying hard drive accesses is a big reason why [email protected] users like to use ramBunctious."
Well yes, it is about managing Ram. You want the system to use more Ram and less hard drive. Which is exactly what a Ram disk is for. There's no built in way, so the Simple answer is no.
Yes there is a utility, and if you're into using obscure 3rd party utilities and enjoy all the fun it involves when new Apple updates are released, then knock yourself out.
For 99.99% of Mac OS X users, using a Ram disk is a waste of time and has the potential to cause more headaches then benefits. Save your $30 and buy more Ram, and you'll see an exponetial increase in performance that Mac OS X will do a great job at managing.
"This use of RAM disks to avoid small, frequent, annoying hard drive accesses"
What has that to do with having more RAM? - it's preventing recurrent, noisy, and potentially damaging disc thrashing that occurs in a number of application situations.
The idea is choice. He asked if it can be done and it can. There a good reasons for it that have nothing to do with the amount of RAM you have.
Pretty negative view.
Many Mac users still want nothing to do with X - also for good reason and those on earlier machines can use all the help they can get in making their machines last longer and work better in X or in 9. reducing frequent and noisy drive activity is a desirable goal in either OS.
The ehMac community contains many Mac users on 9 and earlier..they're rational Mac users and community members.. a bit of respect for their decisions might not hurt.
SETI at home is exactly what I want to use it for. I just thought that putting it on a RAM disk in X, might speed it up a bit.
I always used to use RAM disks in OS 9, to run programs from. It was it super fast. In fact I even remember about 5 years ago seeing a tip from our friend 'david pouge'. He had 512 of ram in his pismo and made a ram disk with 1/2. Then istalled OS 9 onto the ram disk and set it to save ram disk content. He could boot up in under 5 seconds and extend his batter life up to 20 hours. This is all acorrding to him, though.