Temp Question For Tbird 1ghz

[BinarySuperman]

ok I finally got my abit-kg7 mobo today and i installed everything right, now i have a 1ghz tbird processor and with-out changing anything my temp is at 51 c, why is that, my old elite group mobo at 1ghz had a temp at 42 C idle??? help :-)

[thefly]

What kind of cooler do you have on that bird?

I know that abit's bios tends to have a higher idle due some modification they made. After flashing my bios I noticed temp increases of 4-6c.

Here is an explaination that someone else posted before.

The following is taken from the KT7 FAQ here...

http://www.viahardware.com/faq/kt7/kt7faq.htm



quote:
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Why is my idle temperature so much higher under BIOS version 3R or later?

With previous BIOS versions ABIT set a bit in the BIOS CMOS (offset 52 bit 7) to "1" to enable the ACPI "HALT" function and cool down the CPU temp in idle mode. This, whilst allowing cooler CPU operation, is against the advice of AMD and VIA.

Under earlier AMD processors, however, this modification allowed the system to idle cooler and had no ill effects. However, it was been found with newer 133MHz FSB processors running at 1333MHz and higher, that this software cooling can cause severe stability problems - especially under Windows 2000. As a consequence, in all ABIT BIOS releases after version 3R, ABIT have set this bit to "0" - the value recommended by AMD and VIA.

This allows the motherboard to be stable with all AMD processors at the expense of an increase of 5-10 degrees Centigrade during idle (from approximately 35 degs C to 45 degs C). This will not harm your motherboard or processor. Note that this CMOS setting is widely used by other KT133/KT133A based motherboards.

Note that if your processor is slower than 1333MHz then you can revert to the previous setting of the BIOS by using H-Oda's WCPREDIT and WCPRSET programs to modify this register value.

If you are using Hex mode in these programs then change register 52 from 6B to EB to re-enable the software cooling (on some KT133A-based machines you may need to change form 6C to EC). See downloads page for programs.
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