From: Craig H. <cr...@gu...> - 2007-04-25 18:28:59
|
JFFS2 does a tremendously good job of wear-levelling flash, spreading your writes around on the flash so that it take a way way way long time to ever reach 100,000 writes on any particular bit. C On Apr 25, 2007, at 8:17 AM, Fabio Miguez wrote: > Also, it should be good to keep in mind that Flash and NAND Flash > storage devices have a limited life cycle for writing data to it (I > believe it is on average 100,000 writes per bit). > > On 4/25/07, Jeff Sadowski <jef...@gm...> wrote: > Thats why a can't wait for a wifi-cf card for the 120 pin connector > :o) I should then be able to plug in my 2GB flash stick although thats > a far cry from a 120GB disk I can plug in via a usb powered hub. For > now I can live with the performance drop over usb. :o) > I'm really curious what I'm going to be able to stream video wise. > > On 4/25/07, MadAlexGumstix < > Gum...@ma...> wrote: > > > > While I'm suitably impressed by your enthusiasm ... ;) > > > > ... I'm less impressed by the high-performance potential of the > USB Host > > support on the gumstix Verdex devices. While I like the fact that > one or > > more low-bandwidth USB devices could potentially be connected, the > > bandwidth limitations of a single 12Mbps Full Speed port/controller > > leave me less than convinced that I will be relying on USB to stream > > high- > > bandwidth data in and out of the Verdex. > > > > For example, I'm concerned that relying on Full Speed USB for a WiFi > > connection will potentially degrade the performance of 802.11b > 11Mbps > > and will make reaching 802.11g 22/54Mbps throughput a stretch at > > best. And for me, a 12Mbps USB storage device is at best a low- > > performance utility - I'm far more inclined to use MMC / SD / CF for > > removable storage. > > > > > > On Wed, 25 Apr 2007 00:24:18 -0600, "Jeff Sadowski" > > < jef...@gm...> said: > > > With USB now on the vertex motherboards it brings limitless and > makes > > > it easy to attach up to 100 or so devices. As long as there is > an open > > > source driver (there are millions). there are usb devices for > so many > > > things. Hard disks can now be attached to make it into a file > server. > > > There are lots of usb network devices and usb keeps comming out > with > > > newer better devices. ... > > > > > ---------------------------------------------------------------------- > --- > > This SF.net email is sponsored by DB2 Express > > Download DB2 Express C - the FREE version of DB2 express and take > > control of your XML. No limits. Just data. Click to get it now. > > http://sourceforge.net/powerbar/db2/ > > _______________________________________________ > > gumstix-users mailing list > > gum...@li... > > https://lists.sourceforge.net/lists/listinfo/gumstix-users > > > > ---------------------------------------------------------------------- > --- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > > > > -- > Fabio Miguez > ---------------------------------------------------------------------- > --- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users |