Linux laptop... news.
spyro at f2s.com
Thu Feb 27 10:43:57 PST 2003
On Thu, 27 Feb 2003 13:02:26 -0500
torsten <torsten at inetw.net> wrote:
> About that HDD.
> How about 4 flash cards with ide/cflash adapters. Then I
> could have 2GB storage (covers all my needs). This would be
> mostly read-only.
nothing stopping you putting a slimline IDE->CF adapter in the 2.5"
there may well be two PCMCIA slots, as well, or, instead, a 6-in-one
> With plenty of RAM (2-4GB) I wouldn't really need a hard disk.
ARMs have a 32 bit address space and DONT have a seperate IO space. the
practical maximum physical RAM will be limited by what peripherals are
PXA250 has (IIRC) a 256MB max RAM and IOP321 has 1GB max.
> For writeable info, use a RAM disk. Protect the RAM disk from
> overwriting after a reboot, and as long as the machine has power,
> it maintains the RAM disk.
its a possibility. it will depend on a number of factors, not least of
which is wether the CPUs memory controller would support such a mode.
(some XScales do, probably other ARMs.)
> Important data can be written to flash, any RAM disk info
> needed for long-term storage can be archived to an external
> Hard disk.
> Now, computer sans movable components.
Indeed. there will be industrial variants of my design with just that
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