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setting up gigabyte motherboard  clock/bus  frequencies

Posted on 2004-09-24
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Last Modified: 2008-01-09

I have a gigabyte GA-7DXR motherboard.

I have an AMD Athlon 1800+ (the cpu is marked: AX1800DMT3C - its a palomino revision)

Everything is plugged in ok.

My board wont start because I dont know what dip switches to set for my cpu.

the manual is here:

http://uk.giga-byte.com/Download/Download.asp?DownloadPath=/MotherBoard/FileList/Manual/manual_7dxr_e_0201.pdf

I particularly need to know what to set for CLK_SW and  SW2 dip switches for my cpu..

Any help greatly appreciated!!!

Thanks

trixy
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Question by:trix1210
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Callandor earned 125 total points
ID: 12143278
An Athlon 1800+ has an 11.5 multiplier and 133 FSB.  The manual says you can use J19 & J20 to set 100 and 133 FSB, so try that first: J19 should have 1-2 closed, and J20 should have 1-2 closed.  If you want to use CLK_SW, turn all dip switches SW1-6 to the ON position.  SW2 is the CPU frequency override, and for 11.5 should be set 1=OFF 2,3,4=ON 5=OFF.  The cpu you are using has the multiplier locked, so this switch should not matter.
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Author Comment

by:trix1210
ID: 12143485
many thanks! - That has the board showing the correct values.

Could I ask for a little further help in trying to get this board to work?

The problem now is that Im trying to install win98 but after it runs scandisk and attempts to "copy files needed for setup", setup gives either user.exe errors, General protection faults, and stack overflows, and then hangs.

I have tried three different dimms which all work in my other pc, another psu, two hard disks, and two vga cards which I know work, but I still get these errors, I have also flashed the bios three times with  F8,F9, and F10 software versions, but still the same.

I have restored from the backup bios also, but same problem.

Have I missed anythin??!!
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LVL 69

Expert Comment

by:Callandor
ID: 12143707
The install CD or CDROM drive may have problems.  Try a different CD, or make a copy and work from the copy (I have had to do this with one of my Microsoft CD's).  If it's the drive, try the drive in another machine, or try a different drive, or switch the cable.
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Author Comment

by:trix1210
ID: 12148584

I am using a working cd rom drive from my main pc which works every day.

On the GA-7DXR mobo, Ive tried two different kinds of IDE cable: an ATA/133, Ultra ATA/66/100/13 and a standard ide cable and same problems occur.

This problem occurs on two different motherboards...

Ive reset cmos jumpers as well, and checked voltages etc.

Could the cpu be faulty?? Could the internal cache be faulty on the cpu?

I just dont know what else to try !!!

trixy




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LVL 69

Expert Comment

by:Callandor
ID: 12152881
What kind of RAM are you trying?  This kind of failure, if not a bad CD or CDROM drive or cable could be RAM problems.  Try it with as few sticks as possible.
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Author Comment

by:trix1210
ID: 12170524

I tried 3 sticks of memory INDIVIDUALLY.

The stickers on the memory sticks are as follows:

stick 1 = advance modules 256MB, 266Mhz, CL2.5 (32X64 DDR).  Gave USER.EXE errors, GDI Errors etc.

The memory stick is single sided. The stick has one notch along the edge that plugs into the memory slot on the motherboard.

Any reason why the above stick would not work.  It has worked on my other pc for 1 year now.

More details to follow.


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LVL 69

Expert Comment

by:Callandor
ID: 12176288
See if the diagnostic program at www.memtest86.com gives you any failed tests.  I like to use memory from a working system as a reference, but if you're running Win98, you could have bad memory and not know it.  Only OS'es like Win2K and WinXP fully exercise memory.
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