On Tue, 3 Nov 1998, Michael Sharp wrote: > How hard would it be to make a wearable computer with a Ton-O-RAM (tm) on > it, and make a CD-Rom as a hard drive? Of course you would have to use some > of the ram for a swap file, and for what ever you happen to be > running/editing/modifying at the moment. But my point is this: CD-Roms are > cheaper (and more durable?) than hard drives. And applications can run from > a CD. CDs hold a nice 640M of data, so, disk space wouldnt be a real > problem. CD-Rom drives would probably require less energy to run as well. > Oh, and what about saving data? Well, unless your CD happens to be a burner > (and you might as well get a hard drive at that point) your only options > would be either battery-backed ram, or eeprom. Ultimately, you would > download the data from the wearable to a base computer via serial > port/modem/i.r. link etc. It can certainly be done, though most CD ROM drives are not good with vibration and such. You could also try asking the same question on the embedded Linux list (can't remember the address, but there's a link to it somewhere on http://www.cse.unsw.edu.au/~pleb/), where there are quite a few people who have designed machines with read only root FS (usually flash based). --------------- Linux- the choice of a GNU generation. -------------- : Alex Holden (M1CJD)- Caver, Programmer, Land Rover nut, Radio Ham : -------------------- http://www.linuxhacker.org/ -------------------- -- Subcription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" toWear-Hard Mailing List Archive (searchable): http://wearables.ml.org
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