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Old 06-30-2008, 11:39 AM
~misfit~
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Default Re: Really basic soundcard question!

Somewhere on teh intarweb "RobertVA" typed:
> ~misfit~ wrote:
>> Somewhere on teh intarweb "RobertVA" typed:
>>
>>> No speakers on any of the several sound cards or motherboards I have
>>> owned.

>>
>>> The Power On Self Test (POST) beeps that occur when a computer is
>>> initially started usually come from a tiny speaker on the
>>> motherboard or the interior of the tower case.

>>
>> ?

>
> 1) Jacks for microphones, line in, line out and speakers on the
> mounting plate; but no devices on the sound board itself that
> actually produce sounds. Even on the motherboards with built in sound
> accelerator hardware (to assume functions sound cards used to serve)
> those sounds require external speakers (only available as signals on
> the jacks).


Perhaps I should have quoted that first bit as "No speakers on any of the
several [.....] motherboards I have owned."

> 2) The POST beeps are generated with code in the motherboard's ROM
> based Basic Input/Output System (BIOS). Most motherboards generate a
> single beep EARLY in startup, mostly as an indication that the case
> speaker is operational. The POST beeps permit some very basic
> indications of what is lacking with some low level failures like main
> memory and display interface problems. The failure beep codes vary
> with the different computer manufacturers. POST beeps became standard
> in the period before sound cards became common, so there was no other
> way for the computer to generate sounds at that time.


Aye, I'm familair with all that. My point is, you contradict yourself. First
you say no speakers on any mobos you'bve owned, then you say beeps coming
froma tiny speaker "on the motherboard" (or interior of case).

I've seen lots of mobos with peizo speakers built-in. Little cylindrical
black things with a hole in the top usually. They're also common on modems
but I've never seen one on a soundcard.
--
Shaun.

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