On 2007/12/17 23:28, Pontus wrote: > Oh, that sounds a bit discouraging. Isn't CF just a variant of the IDE > bus, and should therefore be able to reach speeds of 33 - 133 MB/s > depending on the controller. I realize that a caveat in the OpenBSD > driver could slow things down, but all the way to 2MB/s ? I'm not saying > you are wrong, I'm just surprised. Have you done some benchmarks?
Yes, but nothing too clever, just by timing dd. Usually in a CF<>PC card carrier rather than a Soekris, but where I've tried the same type of card in both, results are at least in the same order of magnitude. > Also, how would I identify a card with multi-sector IO. You can tell by looking at dmesg - wd0 at pciide0 channel 0 drive 1: <ELITE PRO CF CARD 1GB> wd0: 1-sector PIO, LBA, 991MB, 2030112 sectors wd0 at pciide0 channel 0 drive 0: <SanDisk SDCFX-2048> wd0: 4-sector PIO, LBA, 1953MB, 4001760 sectors I've only seen dmesg with SanDisk (lots, I think all the modern cards), Lexar (1), and something unidentifiable (1) with 4-sector, everything else I've seen is 1-sector. _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
