From owner-freebsd-hackers Tue Oct 21 06:41:16 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id GAA13055 for hackers-outgoing; Tue, 21 Oct 1997 06:41:16 -0700 (PDT) (envelope-from owner-freebsd-hackers) Received: from unix.tfs.net (root@unix.tfs.net [199.79.146.60]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id GAA13032 for ; Tue, 21 Oct 1997 06:41:07 -0700 (PDT) (envelope-from jbryant@argus.tfs.net) Received: from argus.tfs.net (pm3-p19.tfs.net [206.154.183.211]) by unix.tfs.net (8.8.5/8.8.5) with ESMTP id IAA30272; Tue, 21 Oct 1997 08:40:28 -0500 Received: (from jbryant@localhost) by argus.tfs.net (8.8.7/8.8.5) id IAA11750; Tue, 21 Oct 1997 08:41:01 -0500 (CDT) From: Jim Bryant Message-Id: <199710211341.IAA11750@argus.tfs.net> Subject: Re: Solid State Disks In-Reply-To: from "Jamil J. Weatherbee" at "Oct 20, 97 11:23:43 pm" To: jamil@trojanhorse.ml.org (Jamil J. Weatherbee) Date: Tue, 21 Oct 1997 08:41:01 -0500 (CDT) Cc: freebsd-hackers@freebsd.org Reply-to: jbryant@tfs.net X-Windows: R00LZ!@# MS-Winbl0wz DR00LZ!@# X-Operating-System: FreeBSD 2.2.2-RELEASE #0: Wed Jul 9 01:01:24 CDT 1997 X-Mailer: ELM [version 2.4ME+ PL31H (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In reply: > Anybody seen any good literature/prices on this sort of thing lately. How > long are they rumored to exist. It would be really cool if a PC was like > an hp48, damn thing never crashes and is basically always on. kinda cool... SS disks have been around for a while, but i don't recall non-volatility though. > Memory can be maintained indefinitely without application of > external power via eeprom mirroring. > > Battery powered main memory/storage. > Second built in battery can act as ups to keep the machine up and function > throughout extended power outages. how about bringing back a tried but true technology: bubbles... magnetic bubble memory is inherently non-volatile, and the only problems to be overcome would be speed, and price. but then again, have you seen the prices on DEC and IBM's SS disks??? another option could be a good 10AH gellcell on some micropower-standby ram. would add some weight, but is the best option for data retention at ram speeds. jim -- All opinions expressed are mine, if you | "I will not be pushed, stamped, think otherwise, then go jump into turbid | briefed, debriefed, indexed, or radioactive waters and yell WAHOO !!! | numbered!" - #1, "The Prisoner" ------------------------------------------------------------------------------ Inet: jbryant@tfs.net AX.25: kc5vdj@wv0t.#neks.ks.usa.noam grid: EM28pw voice: KC5VDJ - 6 & 2 Meters AM/FM/SSB, 70cm FM. http://www.tfs.net/~jbryant ------------------------------------------------------------------------------ HF/6M/2M: IC-706-MkII, 2M: HTX-212, 2M: HTX-202, 70cm: HTX-404, Packet: KPC-3+