Re: Stumped
- From: "Bill V" <rcnut360@xxxxxxxxxxx>
- Date: Wed, 19 Apr 2006 17:48:47 -0700
I cannot perform this test you suggested as I sent the board back already.
I will say that I did run the system with bare minumum needed. It would do a
CD check and the hard drive light would come on for a few seconds and that
was it NO beeps, NO m/b led flashes. The reason I bought the power supply
was to prove that the one I had in the machine was good. They did exactly
the same thing. I don't have any doubt that they are both good at this
point, keep in mind the system was functional at one time with a different
motherboard (same style), but the floppy didnt work so thats why it went
back. Also the modular plug's are keyed, you cannot get them backwards. And
yes the 12V pin ATX power plug was in.
Bill
"Paul" <nospam@xxxxxxxxxx> wrote in message
news:nospam-1904060358040001@xxxxxxxxxxxxxxxx
In article <WN-dnfLYs4dvOdjZnZ2dnUVZ_s2dnZ2d@xxxxxxxxxxx>, "Bill V"
<rcnut360@xxxxxxxxxxx> wrote:
"john" <vze4j6mv@xxxxxxxxxxx> wrote in messagehttp://www.compusa.com/products/product_info.asp?product_code=318771&pfp=BROWSE
news:gdh1g.10979$MU4.7224@xxxxxxxxxxx
"BC" <bc@xxxxxx> wrote in message
news:Arg1g.66618$H71.7307@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
BC wrote:
This looks like a pretty good thread on the subject:
Already tried all that, put each stick in the blue slot indiviually
http://forums.anandtech.com/messageview.cfm?catid=27&threadid=1815673
Oops, CTRL-C CTRL-V confusion....
BC
Just a shot in the dark, but trying one stick of RAM in the first blue
slot nearest the CPU. I'm thinking maybe the RAM may be in the wrong
slot(s).
john
and
then both in blue slots, no effect
OK, here is your next test.
Take motherboard, processor+heatsink/fan, and power supply and
connect them up. (No need for disk drives, and they should be
disconnected from the power supply. No need for RAM, no need for
video card, as we want to hear the "RAM is missing" or the
"Video card is missing" beep code.) Connect the computer case
speaker to the PANEL header. Connect the power switch (or you can
use the reset switch from your computer case, instead of the power
switch if you want) and connect to the power switch pins on the
panel header.
Turn the power on the back of the power supply. Press the front
panel switch. Are you hearing a repeating beep pattern from the
computer case speaker ? If you are, it means the processor
is not dead, and the 12V that feeds the Vcore conversion is OK.
The processor must be able to execute some BIOS code, in order
for the beeps to be heard. (The 12V that the processor uses,
comes by way of the square connector with the 2x2 pin pattern,
on your power supply. Do you see the square connector ?)
If it won't beep, get yourself a multimeter (voltmeter) from the
hardware store. You can probe the backside of the ATX power connectors,
while they are plugged into the motherboard. You need to verify
the voltages on there, while the system is powered and the fans
are running. Info on which voltages are where, can be found here.
The connector view is showing the pins on the power supply, so
when viewed from the backside of the connector, you'll have to
imagine which pin ends up where, on the connector.
http://www.formfactors.org/developer/specs/ATX12V_PSDG_2_2_public_br2.pdf
Also, be aware, that some brands of modular cabled power supplies,
allow one of the cable types to be installed backwards. This has
been known to burn disk drives, and/or short out the power supply,
and is one reason I would steer clear of any modular power scheme
where the connectors are not keyed so that they can only be
inserted one way.
And that Compusa advert! Imagine selling a power supply at the
$99 price point, with no specs! The horror... You could have
got a very nice supply, complete with specs for each output
rail, for your $99. As a "house brand" supply, that could be
a $23 supply in sheep's clothing.
Paul
.
- References:
- Stumped
- From: Bill V
- Re: Stumped
- From: Paul
- Re: Stumped
- From: BC
- Re: Stumped
- From: Bill V
- Re: Stumped
- From: Paul
- Stumped
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