Tamas Vincze wrote: > Hi, > > I purchased a 2GB Transcend CF card (TS2GCF266) for use with net5501 > and copied one of the EMBCop images to it. > comBIOS 1.33 hasn't recognized the card, but after flashing it to > 1.33c the card showed up. However GRUB won't auto-boot: it always > goes to the grub> prompt, although grub.conf has the "default 0" > line at the top. Probably it's caused by a disk reading error, > because if type: > > grub> root (hd0,0) > > it says: > > Error 25: Disk read error > > What's interesting is that it always fails if I try it many times > within about a minute, and then it always works. If I just wait > for a minute after getting the initial grub> prompt and then enter > the "root" command it would also work. > It looks like something isn't settled properly and some kind of a > timeout needs to happen before GRUB's stage 2 can access the CF. > After that EMBCop boots up and works properly. > > I tried to set BootDelay to 60 seconds in comBIOS but it won't wait > for more than 16 seconds. This is bad because the box won't boot up > after a power failure, it would always need manual attention. > > I suspect the recommendation would be to buy a SanDisk card. ;) Good luck , even some SanDisk CFs don't work. I have used a cf-to-ide made by SYBA http://www.newegg.com/Product/Product.aspx?Item=N82E16822998002 I used it with a Transcend 266 4gb CF and it worked OK. YMMV.
> > So here's the main question: I know the Transcend card I have ($18) > has built-in hardware ECC and wear-leveling. Is there a SanDisk card > known to work that also has these features, or at least ECC? > Their web site doesn't say anything about it and I'd like to make > sure that corrupt data won't be returned by the CF card unnoticed. > > I've read that someone had success by using a CF-to-IDE adapter. > Those look all-passive boards, it's hard to believe that they could > fix the CF problem by simple wiring. Isn't the same wiring used > on the net5501 board to connect the CF socket to the IDE bus? > > For Soren: > Here's a 79-page datasheet from Transcend about their 266X CF cards. > Perhaps it has a piece of information needed to address the problem > in comBIOS or in the net5501 hardware: > http://www.transcendusa.com/support/dlcenter/datasheet/TSXGCF266.pdf > > Best, > Tamas > > > _______________________________________________ > Soekris-tech mailing list > [email protected] > http://lists.soekris.com/mailman/listinfo/soekris-tech > _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
