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Thread: Does a "lack" of a POST beep concerning to you if the system boots fine?

  1. #1
    block_dude's Avatar
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    Question Does a "lack" of a POST beep concerning to you if the system boots fine?

    My system boots fine into Win7. My PC specs are listed by my name.

    The pc speaker is properly connected to the speaker header on the motherboard (red wire to +5V and black to "speaker.") There's no beep that indicates a successful POST but it *will* beep if I decide to go into the bios setup. It will also beep a different tone if I input the wrong bios password after 3 tries (I've already setup various BIOS settings, including disabling all the "super I/O" ports, "Smart Connect," and "Rapid Start.") According to this: ASRock > Support > FAQ "no beep" is indicative of a "bad cpu" but there's no evidence of a "bad" cpu since it boots into win7 fine and temps seem normal. The "lack" of a single "normal" beep is concerning to me. Either the BIOS sees the cpu as faulty and still boots anyway, or the speaker is faulty. Or the BIOS is faulty since I don't recall any time (in my somewhat limited experience in computers) where pressing the "del" key would make the system beep -- indicating entry into the BIOS setup.

    Is this normal function?
    Full disclosure: I could have OCD

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    Ácode is offline Junior Member
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    Default Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    Oh, I thought the lack of a beep was indicative of a broken speaker lol.

    Seriously though, I don't have a speaker so can not really answer your question but these days with sub 2 second BIOS posts perhaps spending 0.5 second or so making a beep is just not appropriate any more.

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    Default Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    Quote Originally Posted by Ácode View Post
    Oh, I thought the lack of a beep was indicative of a broken speaker lol.

    Seriously though, I don't have a speaker so can not really answer your question but these days with sub 2 second BIOS posts perhaps spending 0.5 second or so making a beep is just not appropriate any more.
    Actually, I still get a single POST beep when UEFI booting Windows 8 in Ultra Fast mode. It also beeps once when I exit the UEFI/BIOS UI. But as you say Ácode, it happens very quickly, I press the power button and it beeps a couple seconds later. That is on different boards than the OP.

    So your board beeps when you start the BIOS UI? Never heard of that before. Might just be an oddball way that AMI UEFI works. Your CPU is listed in the board's compatibility list, from the initial 1.10 UEFI version.

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    Lightbulb Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    I may have an explanation which I didn't think about earlier. My RAM is rated at DDR3-1600 (also a supported compatible model number from the mobo's perspective), but the Celeron's memory controller, even though it's an Ivy-Bridge chip, is limited to DDR3-1333 so the RAM is limited and also the timings are off from what's listed on the RAM specification (9-9-9-24.) Come boot time, the BIOS thinks that the cpu is "bad" for not being able to run DDR3-1600 already installed so it needs to manually throttle it. The manual says Sandy-Bridge will run at 1333 and Ivy-Bridge will run at 1600.

    If it's already working (and throttled somewhat), is it worth RMA'ing to get 1333 RAM? I could take out both sticks and see whether or not it will throw 3 beeps...

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    Default Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    I have exactly the same observatoin with my asrock z77 fatality board with an i5 cpu.
    No beep on post but beeps in bios.

    Dont remember the memory speed so I suppose i could check that to see if my memory is faster than is supported.

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    Exclamation Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    Quote Originally Posted by trott3r View Post
    I suppose i could check that to see if my memory is faster than is supported.
    Wouldn't be a bad idea. Thankfully I'm not the only one with this kind of "behavior." Post your full specs in your profile (include the bios version too) so we can also check. I'm thinking that my explanation is a *very* long shot, but it's the only one I have now -- unless people have the same board with the same behavior. Can we get an official explanation possibly?

    Quote Originally Posted by Ácode View Post
    I don't have a speaker so can not really answer your question
    You really, really should get one -- they're HIGHLY invaluable when troubleshooting a failed POST, especially when a lot of these boards don't have an "embedded" speaker or an LED readout that you can read off any double-digit numerical trouble codes. Too many case manufactures think they can get away with NOT including one including the likes of Antec, NZXT, Corsair, Fractal Design, etc.
    Last edited by block_dude; 08-20-2013 at 01:32 AM.

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    Default Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    Quote Originally Posted by block_dude View Post
    Wouldn't be a bad idea. Thankfully I'm not the only one with this kind of "behavior." Post your full specs in your profile (include the bios version too) so we can also check. I'm thinking that my explanation is a *very* long shot, but it's the only one I have now -- unless people have the same board with the same behavior. Can we get an official explanation possibly?



    You really, really should get one -- they're HIGHLY invaluable when troubleshooting a failed POST, especially when a lot of these boards don't have an "embedded" speaker or an LED readout that you can read off any double-digit numerical trouble codes. Too many case manufactures think they can get away with NOT including one including the likes of Antec, NZXT, Corsair, Fractal Design, etc.
    No body uses speakers no more, the people who make cases save money not installing them. Last time I heard a Beep start was the 680 Nvidia board. Most boards I have, use a digital display with a read out code should it be needed for trouble shooting. If I recall, in the bois there used to be settings to turn off the post beeps..............................
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    Default Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    Quote Originally Posted by block_dude View Post
    I may have an explanation which I didn't think about earlier. My RAM is rated at DDR3-1600 (also a supported compatible model number from the mobo's perspective), but the Celeron's memory controller, even though it's an Ivy-Bridge chip, is limited to DDR3-1333 so the RAM is limited and also the timings are off from what's listed on the RAM specification (9-9-9-24.) Come boot time, the BIOS thinks that the cpu is "bad" for not being able to run DDR3-1600 already installed so it needs to manually throttle it. The manual says Sandy-Bridge will run at 1333 and Ivy-Bridge will run at 1600.

    If it's already working (and throttled somewhat), is it worth RMA'ing to get 1333 RAM? I could take out both sticks and see whether or not it will throw 3 beeps...
    I highly doubt that the memory speed being beyond your processor's specs is the cause of the lack of a single POST beep.

    Consider the i7-2600K and i5-2500K Sandy Bridge processors, commonly used by PC enthusiasts, two of the most popular CPUs ever produced by Intel. They both share the spec of 1333 maximum memory speed, just as your Celeron CPU does. IMO, at least 50% of owners of those two CPUs use memory whose rated speed is 1600 or greater. That includes users that OC their memory beyond their rated top speed, all beyond the 1333 spec.

    Given all the users of those processors that use memory above the 1333 spec, we would have known for several years now if that would cause the lack of a single POST beep. The memory I use with my i7-2600K is rated at 1600, and I have it running at 1866. My ASRock Z77 Ex 4 board beeps once on every boot or restart. The same is true for my Ivy Bridge and Haswell PCs, both with memory operating at 2133, beyond the memory spec of their CPUs.

    A CPU, board, or BIOS does not automatically throttle memory speed. If memory is running "to fast" for a system, either POST or booting the OS will fail. Memory manufactures routinely set the default memory speed of 1600 memory to 1333, which increases the chance the memory will work in more systems. It is also standard procedure to manually set the maximum speed of memory of 1600 or above, either by using the XMP profile, or selecting the speed in the BIOS.

    There is no point in getting 1333 rated memory, it won't change your beep issue.

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    Arrow Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    Quote Originally Posted by jaggerwild View Post
    No body uses speakers no more, the people who make cases save money not installing them. Last time I heard a Beep start was the 680 Nvidia board. Most boards I have, use a digital display with a read out code should it be needed for trouble shooting. If I recall, in the bois there used to be settings to turn off the post beeps..............................
    Well, I'd have to disagree with you there since the 94% of motherboards out there (a random guess) that don't have a readout display need to have some form of troubleshooting tool and I believe a pc speaker is still an invaluable investment that saves you time when trouble occurs.

    Btw, in case anyone was interested about the RAM story, I got an email back today from G.Skill. I inquired what I should do about the situation and here's what they said:
    Quote Originally Posted by G.Skill Tech Support
    The motherboard can only limit to standard values such as DDR3-1333 9-9-9-24. The RAM is capable of performance specs such as DDR3-1333 8-8-8-24 as you mentioned and thought of purchasing. It is unnecessary, just set the RAM to DDR3-1333 8-8-8-24, or 7-8-7-24 1.60V then everything should be ready to go at full speed.
    Turns out 1.6V is over-volting the Celeron. Limit again is 1.5V.
    I decided to set RAM timings and DRAM frequency of 1333 manually, MRC fast boot = disabled, -- still same behavior.

    So, it's probably just the BIOS.

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    Lightbulb Re: Does a "lack" of a POST beep concerning to you if the system boots fine?

    I just thought of something else. What about a bent pin in the cpu socket? I've heard that systems will still boot if the pin is non-critical like a dummy pin, or else a pin that wouldn't cause a boot failure. Is the BIOS smart enough to realize something is wrong there, throw a "bad cpu" exception, but still boot anyway? I would have to be incredibly lucky to "win" the dummy pin, no? The plot thickens or are we over-analyzing "oopsy" BIOS programming hahahahahahahahahaha?
    Last edited by block_dude; 08-20-2013 at 10:52 AM.

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