I took a quick look at the manual for this motherboard, which is available
online. Unfortunately, I didn't see any information about using a single
2x2 12 volt power cable with this motherboard. I would think that you are
okay, but I can't confirm this or whether you should be you using one half
of the 2x4 socket or another. Off-hand, I don't know how the power draw of
your Athlon 64 X2 compares to my E6600, but I wouldn't think it is so much
more that using a 2x4 12 volt connection was required. It appears that this
motherboard is geared a bit toward those who might want to do some
overclocking of their CPU, and under those circumstances having two 2x2 12
volt connections makes sense.
The Biostar website didn't seem to have any user forums; so, I would suggest
that you pose this question directly to their tech support. The have an
online form for their email support.
http://www.biostar.com.tw/app/en-us/support/e-support.php
A quick google search did pull up some information on this from a computer
forum.
http://hardware.mcse.ms/archive12-2006-12-340820.html
Scroll down to Paul's post of 2006-12-19, where he suggests that these 2x4
connectors are to support processors that draw in excess of 130w of power.
Again, I hope this is helpful.
John Sproule
----------Original Message Below----------------
Date: Tue, 5 Feb 2008 00:33:43 -0500
From: matt <[log in to unmask]>
Subject: Re: 8 pin cpu problem
I GOT BIOSTAR TA770 A2+,,,,WITH A AMD ATHLON 64X2 DAUL CORE PROCESSOR(WIN=
DSOR 3.2 GHZ NOT OVERCLOCKED),,,1 GIG DDR2 800.
AND I DID PUT THE 4 PIN CPU POWER IN IT ,BUT THE CPU SOCKET ON MOBO IS =
8 PIN.
NOW IT IS RUNNING FINE, BUT ITS MY FIRST DAUL CORE CPU. NOW WOULD THE EXT=
RA 4 PINS BE FOR A QUAD CPU? AND MY DAUL IS SAFE WITH 4 PINS?
NOW IN MY UTILITY MONITOR IT SHOWS
CPU TEMP=3D 26C
CPU FAN=3D 3000 RPM
VCORE=3D 1.42 VOLTS
VBAT=3D 3.36 VOLTS
THEN NEXT TO VCORE, SHOWS A BATTERY LIKE VCORE BUT NO NAME, BUT HERE ARE=
THE VOLTS FOR THAT 3.3VOLT,12VOLT,5VOLT,AND 4.7VOLT=20=20=20=20=20=20
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