Date: Mon, 19 Apr 1999 20:51:56 +0200 (CEST) From: Soren Schmidt <sos@freebsd.dk> To: phk@critter.freebsd.dk (Poul-Henning Kamp) Cc: imp@harmony.village.org, dcs@newsguy.com, randy@psg.com, mobile@FreeBSD.ORG Subject: Re: Sony VAIO suspend Message-ID: <199904191851.UAA28293@freebsd.dk> In-Reply-To: <19393.924547291@critter.freebsd.dk> from Poul-Henning Kamp at "Apr 19, 1999 8:41:31 pm"
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It seems Poul-Henning Kamp wrote: > Standby: keep CPU & clocks running at lowest possible speed. > Possibly shut down non-state keeping parts of I/O devices (ie: spin > down disk, turn off amplifier for sound, turn off backlight.) The > machine is still alive and running. Batteries will last for some > hours maybe a day. Most machines doesn this in multiple steps, > with timeouts for screen, cpu and disk user-settable in the BIOS > setup. > > Suspend: Stop the CPU & clocks. State still in RAM. Various IO > device states stored in RAM and the devices turned off. Disks in > SLEEP mode, if not downright turned off. Batteries will last for > some days if not weeks. What most portables do when you "press > the button". > > Hibernate: All state stored on disk (or other NV media). Entire > machine turned off. Batteries can be removed. Disk can be > transplanted to other but identical hardware and resumed there (!) I think this is called supspend-to-disk on many machines, at least it is on the DELL's (and it works btw). (just to clobber up the terms) -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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