Hi all, A few months ago I purchased a 4801 with a lan1621 card and a 12V/1.5A power supply.
I've noticed something odd happening occasionally when I supply power to the board. Most of the time the box will boot cold with no problems. Sometimes when powered up cold, and frequently when switched off and back on again after less than a minute, the 4801 fails to do its POST and just sits there doing nothing as far as I can tell. The error and disk lights become lit and stay lit, network light is dark but flickers occasionally (denoting that the hardware has seen a packet on the link, perhaps?). But no POST, no booting, no activity at all on the serial console. If I then switch it off and wait between one and four minutes, when I switch it back on it will do its POST and boot successfully. Pressing the reset button when the box is in its "stuck" state doesn't seem to do anything useful. The 4801 is using comBIOS 1.33. I do not believe it is a problem with the compact flash card I'm using: I've been able to replicate the problem with a SanDisk card installed, or even with no card installed at all. I thought it might be a power supply problem, so I acquired a third party 15V/2A regulated power supply. I can still replicate the problem, so I don't think it's the power supply which is at fault. I have a another, older, 4801 with comBIOS 1.31 installed and no lan1621 card. I haven't been able to get it to exhibit the problem I've observed in the newer 4801. It sounds a little like problems that have afflicted some 5501 users (http://www.soekris.com/issue0005.htm or http://www.soekris.com/Issue0007-8.htm). But this isn't a 5501. If anyone has any hints or suggestions for further diagnosis or treatment, it would be much appreciated. The box seems to run reliably when it runs at all, but it's a little unsettling that it doesn't power up properly consistently. Regards, Jeff Horton. _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
