> From: David Gilbert <dgilbert_at_dclg.ca> > Date: Sat, 9 Aug 2003 20:53:54 -0400 > > What does a hibernation partition look like? > > My dell has a 31 meg partition that I havn't touched and my FreeBSD > partition. Most laptops have the capability of "sleeping" in two modes. 1. suspend where most of the system is powered off, but the memory is kept on so that the system can pick up right where it left off (except for drivers re-initing hardware) when the system is resumed. 2. Hibernate where the contents of memory and some system registers are written ti a pore-allocated space on disk, usually a dedicated partition. The boot is then tagged that the hibernation partition is active and the systems is power completely off. On powering up, the BIOS will detect that i=the system was in hibernation and reload the memory and registers and resuming where the system left off. Hardware must still be re-initialized and it's up to the drivers to handle this. Suspend is faster, but continues limited battery drain. Hibernation takes a while to stop and start and requires a dedicated partition (slice), but the system is totally off while in hibernation. I don't know if all laptops support both, but every one I have used does. IBM has a stand-alone tool on it's web site that creates a hibernation partition on ThinkPads (which I use). You probably need to check with the manufacturer of your system to see what is available. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman_at_es.net Phone: +1 510 486-8634Received on Sat Aug 09 2003 - 19:30:39 UTC
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