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Brand-New 1800+ XP running at 1161Mhz?

E

ElectricShoe

Junior Member
Hi all,
I just put my new system together yesterday, it is as follows:

Athlon 1800+ XP
Gigabyte 7VTXE+
512 DDR
GF3 ti 200
Win2k SP2

The problem is, when I look at my System Information in Windows, it reports the processor only running at 1161Mhz. Why is this, and what do I need to do to get it up to 1530Mhz?
I have already tweaked the BIOS a bit, first loading the Perfomance Defaults, then turing on "Top Performance". Please let me know what I've overlooked.

PS- I got the guys at the computer store to mount the CPU/Heatsink/Fan for me, so I know that part at least was done correctly.

Thanks in advance,
 
Yeah, its definitely running only 100Mhz FSB right now.
The XP1800+ multiplier is set @ 11.5x.

100Mhz FSB x 11.5 = 1150Mhz
133Mhz FSB x 11.5 = ~1530Mhz (Correct)

I'm running a XP1800+ right now as well (1530Mhz of course =)
 
Just replaced my TBird 1GHz with an XP1800 lastnight, but kept the Taisol GCK7600092, and had to change the FSB jumper. Sweet. But I was wondering what other's temps are running? I'm running 52C, but I'm also running SETI, so there is no idle🙂. Temps are taken on a MSI K7T Turbo.
 
Thanks for the help, guys. I wondered if that might be the case. Now the next question becomes, how do I change the FSB? There are no jumpers on the mobo that I can see.

Thanks,
 
check your motherboard manual.. on my epox board there is a lone jumper on the board to select 100/133 but most can be changed in the bios... try looking in your bios in a section like "frequency and voltage control"
 
Thanks for stickin' with me here! Sorry to be so boneheaded, but..

There is indeed a setting called "CPU host clock" and I'm assuming that's what this is. The 3 choices are:

- By Hw (set clock by Hw.) *Default value
- 133 (set clock to 133Mhz)
- 100 (set clock to 100Mhz)

So I guess that's what this is. I'll try it!

The thing that confuses me though, is that I was under the impression that this mobo supported a 266Mhz FSB. I'd sure like to get that FSB speed way up there. Is there something I'm still not getting?

(Where do I get a crazy idea like this, you ask?)


<<
Socket A for AMD Athlon?/AMD Athlon?XP/Duron? 200/266MHz FSB processors
Supports 500MHz ~ 2000+ CPU and faster
FSB adjustable by BIOS up to 161MHz(no guarantee)
Supports CPU multiplier 5.0/5.5/.../12.5
CPU voltage overclockable by adding 5%, 10% CPU voltage
>>


from Gigabyte Web Site

Reading this doesn't clear it up for me, maybe y'all can help out.

Cheers,
~Kris

 
You want the 133 setting

The 133 is "Double Pumped" meaning that data is transmitted on the rising and falling edges of the clock. It is still running at 133, but it transmits data at 266. That is where the 266 comes from.

It is still a 133 bus speed tho 😉
 
Thanks Evadman, that makes sense now.
I just tried setting it to 120 (it goes in 1Mhz increments from 100 - 167), and it sure wouldn't work! I had to unplug the machine for a few minutes just to get it to run long enough to hop into the BIOS settings and set it back down.
Now I'm wondering why it won't run as high as it should. Maybe I need to flash my BIOS, I am only running F2. There must be others with a similar setup (ie same board), how do you have yours set up?

Thanks again guys!🙂

~Kris (slowly scratching off the dull coat of newb paint...)
 


<< I just tried setting it to 120 (it goes in 1Mhz increments from 100 - 167), and it sure wouldn't work! >>



Probably your divider, your PCI bus at 120FSB is running at 40mhz using the 1/3 divider (120/3 = 40mhz), when you set the FSB to 133mhz it will use 1/4 divider (you may have to set this) and your PCI bus will be back in spec at 133/4 = 33mhz, then all will be good.



<< I had to unplug the machine for a few minutes just to get it to run long enough to hop into the BIOS settings and set it back down >>



press the "insert" key when you reboot.
 
have a look on the motherboard for little blue banks of white switches these are your jumpers


the clock ratio is the bank nearest the CPU *** although the MB manual states this is only for the 7vtxh+

the system bus frequesncy is to the right of the pci slots

now i have a ga-7vtx MB and i had to change my host clock to 140 then into the bios and change it to 133 then back to the jumpers and set it back to 133 or it would keep loosing it and if i did it only from the jumpers then my monitor wouldnt post.

just keep trying and reading the motherboard manual and see what happens

regards

alllanv
 
The thing I forgot to mention is that there are no jumpers on my board. I can see where they would be on a 7VTXH+, but that spot is blank on my board. I guess I'll just try setting it directly to 133 in the BIOS & see if that works due to the divider.

BTW I flashed my BIOS to 7VTX F3.

Here's hopin'...
 
WOOHOO!

Thanks everyone for your patience & help, I got this baby runnin' @ 1541Mhz! Of course it was just like you said, there is a single switch on the mobo. No wonder simply changing the BIOS didn't work!

Now let's find out what this baby can really do... I'm gonna give the supplied o/c utility (EasytuneIII) a trial run here I think, just for s & g.

Thanks again all!
 
baised on your earlier attempt, you should be able to hit ~ 150 mhz assuming your memory is up to the task.
 
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