On Jun 11, 2010, at 18:52, Alan wrote: > On Sat, Jun 5, 2010 at 4:41 AM, Alan <[email protected]> wrote: >> On Sat, Jun 5, 2010 at 2:52 AM, Darrick Hartman >> <[email protected]> wrote: >>> On 06/04/2010 12:45 PM, Michael Proto wrote: >>>>> >>>>> I have a net5501-70 with 512Mb of ram, 8Gb sandisk cf, a mini-pci >>>>> AR5008 wifi, and a Digium TDM422 pci card. The cpu load is >>>>> below 5% >>>>> constantly, yet the temperature reported by lm_sensors is 67-70 >>>>> celsius. It goes down to 54-56 if I keep the enclosure open. >>>>> >>>>> This is a picture of the system: >>>>> http://img243.imageshack.us/img243/7826/img1536z.jpg >>>>> >>>>> The system hangs after a few hours of use, but I'm not sure its >>>>> because of the temperature, because although it hangs more >>>>> often when >>>>> its hot, it also happens when the enclosure is open. >>>>> >>>>> There are no strange kernel messages, and I have enabled >>>>> CONFIG_X86_MCE and CONFIG_X86_MCE_AMD (Machine Check / overheating >>>>> reporting). >>>>> >>>>> I don't understand why the CPU gets so hot when its idling, I also >>>>> enabled CONFIG_NO_HZ, but it doesn't seem to make a difference. >>>>> >>>>> Any ideas? >>>>> >>>> >>>> Are you sure your power supply is equipped to handle the load of >>>> the >>>> board, WiFi, and that Digium card? Since the Digium requires an >>>> extra >>>> molex power connector, I'm wondering if the system is getting >>>> enough >>>> power. What is your power supply rated for? >>> >>> The Digium card only requires power to the card if it's running FXS >>> modules. If you have all FXO modules, no external power is >>> required. 2 >>> FXS modules (as pictured above) should not be a problem, but it will >>> draw around .9 Amps. You'll want to use one of the 5A/60W power >>> supplies rather than the simple wall wart. >>> >>> Something like this works well: >>> >>> http://www.logicsupply.com/products/pw_12v5a >> >> >> Thanks Michael and Darrick for your observation, and I really hope >> its it. >> >> I haven't used the FXS modules yet. Are they still drawing power >> when >> not in use? From previous messages in the mailing list I thought they >> drew 3 watts each and only when ringing an analog phone, but I >> have no >> way to confirm it. >> >> I calculated they drew 0.5 Amps, so I bought the 2 Amp * 12 Volts >> = 24 Watts. >> >> Does anybody have any measurement/experience on power usage per FXS >> module? What power supply are you people using in these cases? >> >> How about the temperature, is 70 degrees celsius permissible? >> Should I >> get the heatsinks anyway? > > Ok, I did this test: > > I disconnected all the TDM modules except for one FXO, I disconnected > the power cable going to the TDM, I used a 12 Volts, 6.6 Amps PSU, > added the heatsinks, and the soekris is still hanging! > Now I'm testing again with a 12 Volts, 8.5 Amp PSU, but at this point > I don't think its a power issue. > > If I remove the TDM card everything works well, but the purpose of > this box is to make it a PBX. Maybe the TDM card is just not > compatible with the soekris? > > Any suggestions? > > Alan > _______________________________________________
If you use the 'finger test', which chip is hot? CPU?, TDM modules?, something else? Bob G _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
