Every now and then (maybe a few times per week) I hear two pungent piezoelectric beeps in the system and I'm baffled as to what it comes from. I didn't install any speaker onto the motherboard when I built the system 9 months ago. When the two beeps come I notice that the computer also drops the network connection for about a second and then it comes back. I can't say that I'm disturbed by those beeps but they sound like coming from some sort of alarm signal.
I looked into the event log but I cannot isolate any failure or error event correlated to these beeps.
In an earlier case of such mysterious beeps (a 5-6 years old forum thread so it may be obsolete). it was suggested to check for "unknown devices" in the device manager. I checked the device manager and it does indeed have quite a lengthy list of "unknown devices". When checking the vendor and hardware ID, all those "unknown devices" can be traced to different functions of the main CPU. I've tried to get rid of 'em by installing drivers for 'em but I've failed. Since the system appears to work fine I didn't try to take further measures about it.
It's an ASUS WS motherboard with UEFI BIOS btw and an LGA2011 socket. I use ECC ram with a Xeon E5. The sound card is an ASUS Xonar Essence STX.
Does anyone know what's going on?
I looked into the event log but I cannot isolate any failure or error event correlated to these beeps.
In an earlier case of such mysterious beeps (a 5-6 years old forum thread so it may be obsolete). it was suggested to check for "unknown devices" in the device manager. I checked the device manager and it does indeed have quite a lengthy list of "unknown devices". When checking the vendor and hardware ID, all those "unknown devices" can be traced to different functions of the main CPU. I've tried to get rid of 'em by installing drivers for 'em but I've failed. Since the system appears to work fine I didn't try to take further measures about it.
It's an ASUS WS motherboard with UEFI BIOS btw and an LGA2011 socket. I use ECC ram with a Xeon E5. The sound card is an ASUS Xonar Essence STX.
Does anyone know what's going on?
. I tried HWMonitor right now and the monitor software provied by ASUS, and AIDA64. The HWMonitor is very detailed and report many temperatures; one for each DIMM, one for each CPU core plus the whole package, and the hard drives. According to the software there are about 20 temperature sensors in the system, I find it hard to believe.
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