Date: Thu, 9 Jul 1998 16:05:36 +0400 (MSD) From: Alexey Pialkin <dragonfa@prcom.rcom.spb.su> To: mike@smith.net.au (Mike Smith) Cc: thz@Lennartz-Electronic.DE, mike@smith.net.au, freebsd-current@FreeBSD.ORG Subject: Re: FreeBSD in less than 4MB RAM Message-ID: <199807091205.QAA05076@prcom.rcom.spb.su> In-Reply-To: <199807071828.LAA01144@dingo.cdrom.com> from Mike Smith at "Jul 7, 98 11:28:12 am"
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> > > > For those which say "put in more memory/disk": This doesn't help if you > > > > have to run out of batteries w/ solar-panels on very remote localities, > > > > only access by radio-telemetry. You need very low power equipment there. > > > > So the question is not $ but watts. > > > > > > In the same timeframe, memory power consumption has gone down by more > > > than an order of maginitude, while cost has fallen even further. > > > > > > Sorry, but the argument still holds good. 8) > > > > Sorry, but to run with 3 watts from dynamic memory is not possible, > > do you know prices of SRAM? Also effordable harddisks are > > much lower now in consumption, but not that low. So booting from > > eprom or floppy is a must. > > No insult intended, but your design obviously sucks. I am working right > now with a PC104 board not specifically designed for low-power > operation. It manages to put an NX586-based micro, all the standard PC > peripherals, 8M of RAM, 8M of flash, etc. into a sub-3W power budget. > > Like I said, this is a design that's not even trying. Look at the > power budget that eg. the Palm Pilot works with. PalmPilot have 1/2 mb ram and to run linux on it you should got a 8mb ram/2 mb flash upgrade... So only a kernel this a size about 300kb would be a real threat for PalmOS ;) Alexey Pialkin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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