Paul Heinlein wrote: > I'm spec-ing a development server for some Haskell hackers. In > particular, they need to be able to build and run the Glasgow Haskell > Compiler (ghc), the x86_64 port of which isn't quite there yet. > > My current thought is to get an Opteron-based system, but load it > (initially, at least) with the 32-bit i386 version of CentOS. That > buys me near-term ghc compatibility. In the future, should ghc become > 64-bit clean, I'll be able to upgrade to a full 64-bit OS. > > The alternative is to build the server around high-end ia32 chips and > leave the Opteron for another day. > > Does anyone have experience running a 32-bit-only OS on Opterons? Are > there any gotchas? > I planned on doing a similar thing until I found that for some reason, cool & quiet does not seem to work unless in 64 bit mode under linux at least. I decided to go 64 bit because the server was going to be running in my garage and I wanted it as cool as possible. Has anyone managed to get CPU Throttling/CNQ working on a 32bit linux ? Bards.