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From: kimiraikkonen on 16 Jan 2008 05:45
On Jan 16, 1:30 am, "~misfit~" <misfit6...(a)yahoot.com.au> wrote:
> Somewhere on teh intarweb "Paul" typed:
>
>
>
> > kimiraikkonen wrote:
> >> On Jan 11, 1:35 am, "DaveW" <radiat...(a)nuclear.org> wrote:
> >>> It sounds like either your motherboard and/or video card are
> >>> finally dying after all these years.
>
> >>> --
> >>> --DaveW
>
> >>> "kimiraikkonen" <kimiraikkone...(a)gmail.com> wrote in message
>
> >>>news:150ed2df-70d6-4cd0-add9-79a5c5617797(a)q39g2000hsf.googlegroups.com...
>
> >>>> Hi,
> >>>> I have Asus P4B533 working for many years with no problem till
> >>>> recently. I had some graphic card-related problems then after next
> >>>> boot ups display didn't come or flickering occured.
> >>>> However now, the display is provided but AGP warning LED lighted up
> >>>> but the most interesting thing is that also standby (green) led
> >>>> lights up also at the same time during operation.
> >>>> The graphic card is also Asus V8170DDR (old) is being used without
> >>>> any AGP warning LED problem since first day of purchase.
> >>>> So, please help for these questions:
> >>>> 1-What is the reason of red AGP warning LED + standby LED + good
> >>>> display operation at the same time?
> >>>> 2-If i remove this fully AGP compatible card from AGP slot, also
> >>>> red AGP warning LED lights up. Why?
> >>>> Note: My graphic card which is Asus V8170DDR/SE Geforce4 MX440 is
> >>>> fully compatible with +1.5V AGP specification and was working with
> >>>> no problem until recently.
> >>>> Thanks in advance.
> >>>> Regards.- Hide quoted text -
> >>> - Show quoted text -
>
> >> Maybe, i don't know maybe someone confirms, should AGP warning LED
> >> light up eventhough there's no AGP cards installed or no? (mobo
> >> powered-on(stand-by) state)
>
> > My understanding of the logic of "AGP warn" is:
>
> > If (AGP card is inserted) AND (TYPEDET# = floating) THEN
> > Power_Off_System
> > That is how it is supposed to work. If no AGP card is plugged in, the
> > red LED should stay off. It could be that just the red LED driver is
> > defective.
>
> > Note that the circuit consists of a couple transistors, some
> > resistors, the red LED, and a connection to the TYPEDET#. At least that is
> > what
> > is on my P4B SDRAM motherboard (one of the first boards with AGP
> > protection).
> > The board would not be able to power up, if that circuit detects a
> > problem. The circuit should not be enabled, if no AGP card is present.
> > When an AGP card is put in place, then the transistor circuit is
> > supposed to test the state of the TYPEDET# pin. TYPEDET# is supposed
> > to be grounded - that indicates the video card is using 1.5V for VIO
> > in the AGP slot.
>
> > I would not panic, if the video card has been working for some time.
> > It is unlikely that something has changed about TYPEDET#. The VIO
> > regulation on the motherboard is also unlikely to respond to TYPEDET#
> > floating, and should deliver a steady 1.5V.
>
> > So don't worry about it. Just an annoyance.
>
> > As for the Standby LED, it is supposed to be always illuminated. On
> > Asus motherboards, it is connected directly to +5VSB, as a monitor.
> > You aren't supposed to pull cards or RAM out of the motherboard, if
> > the green LED is lit. The green LED is there, to warn you to turn off
> > the power supply, before doing any work inside the computer.
>
> > Paul
>
> Doesn't anyone spray CO cleaner liberally into the slot that's giving
> trouble these days, then check the card contacts, clean with a new eraser if
> needed and maybe do a few insertion cycles? I find that usually fixes
> AGP/PCIe problems (and a lot of RAM problems too). They're prone to getting
> dust creep into the slot as they're often getting a lot of turbulence from
> the CPU fan.
> --
>
> Shaun.

Additionaly, i have a suspicion. With having no relationship between
monitor problem and AGP led problem, (while having monitor problem
before AGP led issue), i thought it was because my AGP card and
decided to plug out and examine the card. If i remember correct, i
haven't plugged power cord of pc (or didn't switch off PSU) afterwards
AGP led problem began to arise. Just i wanted to notice.

Can all that irregular / intermittent and "fake" AGP LED warning light
problems become because of removing AGP card without plugging power
cord?

Thanks!
From: kimiraikkonen on 23 Jan 2008 14:51
On Jan 16, 12:45 pm, kimiraikkonen <kimiraikkone...(a)gmail.com> wrote:
> On Jan 16, 1:30 am, "~misfit~" <misfit6...(a)yahoot.com.au> wrote:
>
>
>
>
>
> > Somewhere on teh intarweb "Paul" typed:
>
> > > kimiraikkonen wrote:
> > >> On Jan 11, 1:35 am, "DaveW" <radiat...(a)nuclear.org> wrote:
> > >>> It sounds like either your motherboard and/or video card are
> > >>> finally dying after all these years.
>
> > >>> --
> > >>> --DaveW
>
> > >>> "kimiraikkonen" <kimiraikkone...(a)gmail.com> wrote in message
>
> > >>>news:150ed2df-70d6-4cd0-add9-79a5c5617797(a)q39g2000hsf.googlegroups.com...
>
> > >>>> Hi,
> > >>>> I have Asus P4B533 working for many years with no problem till
> > >>>> recently. I had some graphic card-related problems then after next
> > >>>> boot ups display didn't come or flickering occured.
> > >>>> However now, the display is provided but AGP warning LED lighted up
> > >>>> but the most interesting thing is that also standby (green) led
> > >>>> lights up also at the same time during operation.
> > >>>> The graphic card is also Asus V8170DDR (old) is being used without
> > >>>> any AGP warning LED problem since first day of purchase.
> > >>>> So, please help for these questions:
> > >>>> 1-What is the reason of red AGP warning LED + standby LED + good
> > >>>> display operation at the same time?
> > >>>> 2-If i remove this fully AGP compatible card from AGP slot, also
> > >>>> red AGP warning LED lights up. Why?
> > >>>> Note: My graphic card which is Asus V8170DDR/SE Geforce4 MX440 is
> > >>>> fully compatible with +1.5V AGP specification and was working with
> > >>>> no problem until recently.
> > >>>> Thanks in advance.
> > >>>> Regards.- Hide quoted text -
> > >>> - Show quoted text -
>
> > >> Maybe, i don't know maybe someone confirms, should AGP warning LED
> > >> light up eventhough there's no AGP cards installed or no? (mobo
> > >> powered-on(stand-by) state)
>
> > > My understanding of the logic of "AGP warn" is:
>
> > >    If (AGP card is inserted) AND (TYPEDET# = floating) THEN
> > > Power_Off_System
> > > That is how it is supposed to work. If no AGP card is plugged in, the
> > > red LED should stay off. It could be that just the red LED driver is
> > > defective.
>
> > > Note that the circuit consists of a couple transistors, some
> > > resistors, the red LED, and a connection to the TYPEDET#. At least that is
> > > what
> > > is on my P4B SDRAM motherboard (one of the first boards with AGP
> > > protection).
> > > The board would not be able to power up, if that circuit detects a
> > > problem. The circuit should not be enabled, if no AGP card is present.
> > > When an AGP card is put in place, then the transistor circuit is
> > > supposed to test the state of the TYPEDET# pin. TYPEDET# is supposed
> > > to be grounded - that indicates the video card is using 1.5V for VIO
> > > in the AGP slot.
>
> > > I would not panic, if the video card has been working for some time.
> > > It is unlikely that something has changed about TYPEDET#. The VIO
> > > regulation on the motherboard is also unlikely to respond to TYPEDET#
> > > floating, and should deliver a steady 1.5V.
>
> > > So don't worry about it. Just an annoyance.
>
> > > As for the Standby LED, it is supposed to be always illuminated. On
> > > Asus motherboards, it is connected directly to +5VSB, as a monitor.
> > > You aren't supposed to pull cards or RAM out of the motherboard, if
> > > the green LED is lit. The green LED is there, to warn you to turn off
> > > the power supply, before doing any work inside the computer.
>
> > >    Paul
>
> > Doesn't anyone spray CO cleaner liberally into the slot that's giving
> > trouble these days, then check the card contacts, clean with a new eraser if
> > needed and maybe do a few insertion cycles? I find that usually fixes
> > AGP/PCIe problems (and a lot of RAM problems too). They're prone to getting
> > dust creep into the slot as they're often getting a lot of turbulence from
> > the CPU fan.
> > --
>
> > Shaun.
>
> Additionaly, i have a suspicion. With having no relationship between
> monitor problem and AGP led problem, (while having monitor problem
> before AGP led issue), i thought it was because my AGP card and
> decided to plug out and examine the card. If i remember correct, i
> haven't plugged power cord of pc (or didn't switch off PSU) afterwards
> AGP led problem began to arise. Just i wanted to notice.
>
> Can all that irregular / intermittent and "fake" AGP LED warning light
> problems become because of removing AGP card without plugging power
> cord?
>
> Thanks!- Hide quoted text -
>
> - Show quoted text -

Hi again,
Had no answer regarding to my some previous posts but i want to update
the situation which is weird:

AGP warning LED is staying steady ON with my existing Geforce4 MX 440
card(15V), the system can boot fine can play 3D games.

I'm not sure why AGP Warning LED is on for my 4 year-old existing VGA
card and my mobo P4B533 can boot fine with that LED is stayed steady
ON. It seems the LED's circuit is not working and LED is lying cause
i've used the same VGA card for many years with no AGP LED error.

So is there a real danger regarding to mobo or especially VGA card
although AGP warning LED is fake?

Thanks for ideas.
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