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From: Matthew Bryde on 9 Jan 2006 03:57
I have an ABit TH7II-RAID motherboard with the latest BIOS revision (BH6?).
It's running a Pentium 4 2.2 GHz socket 478 CPU with 4 x 256 Mb RDRAM
modules. The system has been running fine for the few years I've had it.
However, last week the system hung, and upon reboot the machine continually
beeps, does not get to the POST screen and the motherboard shows the POST
code "C1". I have tried removing all the peripherals and leads, plugging
back in only the CPU, graphics card and RDRAM but still the same result. I
have not added anything new to the system recently and I have tried every
possible (allowable) memory configuration with 4 x 256 Mb RDRAM modules and
2 x CRIMMs to try and eliminate bad RAM as the cause and yet the same
result. As a result, I don't believe the RAM is faulty or the cause. This
would lead me to believe it is most likely a faulty motherboard.

Can anyone point me in the right direction to resolve this ASAP? I have
already contacted ABIT support but no response (yet).


From: John Lewis on 9 Jan 2006 13:54
On Mon, 9 Jan 2006 18:57:40 +1000, "Matthew Bryde"
<matthew.bryde_removethispart(a)gmail.com> wrote:

>I have an ABit TH7II-RAID motherboard with the latest BIOS revision (BH6?).
>It's running a Pentium 4 2.2 GHz socket 478 CPU with 4 x 256 Mb RDRAM
>modules. The system has been running fine for the few years I've had it.
>However, last week the system hung, and upon reboot the machine continually
>beeps, does not get to the POST screen and the motherboard shows the POST
>code "C1".

And what does the manual say about post-code "C1" ??

If you do not have a paper manual, download the latest from the Abit
web-site.

John Lewis
From: Matthew Bryde on 9 Jan 2006 16:27
My apologies - I assumed anyone that could help would know this already. The
manual states:

C1: Detect memory
- Auto-detection of DRAM size, type and ECC
- Auto-detection of L2 cache (socket 7 or below)

This is why I focused on the memory diagnosis in my original post. Because
of the result of swapping the modules around and in and out, I don't believe
it's faulty RAM - if it was faulty RAM it would mean at least 3 modules all
failed at once (unlikely). I searched many sites before posting this and the
solutions ranged from a short on the motherboard, to inadequate power supply
to too many peripherals connected etc.

Hence the steps I took before posting this question below. I'm not holding
my breath that anyone can reply with "I had this problem and this was the
solution" or that ABit will reply my support request, but there's no harm
hoping and trying...



"John Lewis" <john.dsl(a)verizon.net> wrote in message
news:43c2b0bc.1857020(a)news.verizon.net...
> On Mon, 9 Jan 2006 18:57:40 +1000, "Matthew Bryde"
> <matthew.bryde_removethispart(a)gmail.com> wrote:
>
>>I have an ABit TH7II-RAID motherboard with the latest BIOS revision
>>(BH6?).
>>It's running a Pentium 4 2.2 GHz socket 478 CPU with 4 x 256 Mb RDRAM
>>modules. The system has been running fine for the few years I've had it.
>>However, last week the system hung, and upon reboot the machine
>>continually
>>beeps, does not get to the POST screen and the motherboard shows the POST
>>code "C1".
>
> And what does the manual say about post-code "C1" ??
>
> If you do not have a paper manual, download the latest from the Abit
> web-site.
>
> John Lewis


From: - HAL9000 on 10 Jan 2006 12:43
If not caps or power supply, one acronym: ESD

The discovery of ESD failures in electronics is the reason why
communication satellites last 10 plus years now instead of one or two
years when they started out. Imagine all the "handling" (and static
discharge) the satellite electronics can receive in testing before
launch into space. Lots and lots of testing.

Forrest

Motherboard Help By HAL web site:
http://home.comcast.net/~mobo.help/


On Tue, 10 Jan 2006 07:27:02 +1000, "Matthew Bryde"
<matthew.bryde_removethispart(a)gmail.com> wrote:

< snip >
>>>.... The system has been running fine for the few years I've had it.
>>>However, last week the system hung, and upon reboot the machine
>>>continually
>>>beeps, does not get to the POST screen and the motherboard shows the POST
>>>code "C1".
< snip >

From: Matthew Bryde on 12 Jan 2006 06:58
Interesting spiel...

I finally got a response back from ABit in engrish:

Dear Sir/Madam,
Thanks for your mail,
According to your message, we suggest you clear the CMOS to see can solve
this problem or not. If the problem still remained, you might be needed to
contact the local distributor for maintaining. The BIOS chip might be
getting something trouble. You need to swap other BIOS Chip for that.
Best regards,
ABIT/FAE

I'm amazed that's the best advice offered from the manufacturer itself, that
is nowhere as useful as posts I'ved read from other owners with similar
problems...

P.S. The website in the previous footer was actually more useful than the
message itself - thanks! I'm checking the CAPACITORS now....

"- HAL9000" <gumpy(a)mail.org> wrote in message
news:72s7s1p3runbhu9bro1om9h4tmut1kbt7v(a)4ax.com...
> If not caps or power supply, one acronym: ESD
>
> The discovery of ESD failures in electronics is the reason why
> communication satellites last 10 plus years now instead of one or two
> years when they started out. Imagine all the "handling" (and static
> discharge) the satellite electronics can receive in testing before
> launch into space. Lots and lots of testing.
>
> Forrest
>
> Motherboard Help By HAL web site:
> http://home.comcast.net/~mobo.help/
>
>
> On Tue, 10 Jan 2006 07:27:02 +1000, "Matthew Bryde"
> <matthew.bryde_removethispart(a)gmail.com> wrote:
>
> < snip >
>>>>.... The system has been running fine for the few years I've had it.
>>>>However, last week the system hung, and upon reboot the machine
>>>>continually
>>>>beeps, does not get to the POST screen and the motherboard shows the
>>>>POST
>>>>code "C1".
> < snip >
>


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