View Full Version : 100fsb v.s 133fsb
My system boot up perfectly with 100 fsb but not with 133. The boot (when I'm using 133 fsb) secuence for win 98 hangs and I get errormessages.
I've tested other memorys, removed all pci cards, the same thing happends.
Should I format and reinstall win98?
Will it make a difference?
I hope you got some answers for me..
What are your system specs??? Make a sig & we will be more able to answer your qustions. Maybe it's because the multiplier is locked & you might be overclocking it way too high for the default vcore... we'll never know for sure until we know your specs;)
Amedeo602
10-10-01, 10:44 AM
probably just won't go with that high of a bus...your bus sounds like it's 100 by default
but like sonny said...we need to know specs to know for sure...
Specs:
Msi mother board KT7 Turbo Based on the VIA Kt133A Chipset
Amd Athlon 1200 mhz 266fsb
256mb sdram 133mhz cas 3
Ibm 5400rpm ata 66 20400 mb hd.
THe machine works with:
100*9
100*10
100*11
111*9
Works NOT:
133*9
100*12 (Wtf?!)
If I have "Default" vcore then the temps are WAY to high. So I lowerd it to 1.550. But it doesnt make any difference. The system hangs with all default options in bios.
Hope you can answer better now.
TranceBear
10-10-01, 11:14 AM
Originally posted by Yxel
Specs:
Msi mother board KT7 Turbo Based on the VIA Kt133A Chipset
Amd Athlon 1200 mhz 266fsb
256mb sdram 133mhz cas 3
Ibm 5400rpm ata 66 20400 mb hd.
THe machine works with:
100*9
100*10
100*11
111*9
Works NOT:
133*9
100*12 (Wtf?!)
If I have "Default" vcore then the temps are WAY to high. So I lowerd it to 1.550. But it doesnt make any difference. The system hangs with all default options in bios.
Hope you can answer better now.
I would stop overclocking right now and wait till you get better cooling. I am suprised your chip is even running with that low of voltage. You WILL ruin your chip without better cooling. Now with that out of the way, what are your steppings? I will attach a pic if you don't know what I am talking about. 1200 should O/C pretty good if you have a decent stepping. I have that same M/B and it will push most Athlons to 133mhz FSB. I would read ALL of the beginners guides to CPU's, cooling, FSB, and case mods. This will probaly help you alot.
Try to let the MoBo identify the CPU on its own & make sure to have the DRAM CLOCK @ HOSTCLK(it should do that automaticaly but you know... just to make sure). If that doesnt work try this;
CPU OPERATING SPEED = USER DEFINE
MULTIPLIER FACTOR = X 9
CPU FSB/PCI CLOCK = 133/33
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DRAM CLOCK = HOSTCLK
Let me know how it goes:D. Input your specs in the USER CP as a Signature so that you don't need to type it out all the time:cool:.
Originally posted by TranceBear
I would stop overclocking right now and wait till you get better cooling.
Isn't he just trying to run it at DEFAULT clockspeed?
Amedeo602
10-10-01, 11:30 AM
Originally posted by sonny
Isn't he just trying to run it at DEFAULT clockspeed?
Yes, but he said at default voltage temps are too high. Temperatures shouldn't go above 55 C - 60 C load with stock settings...it sounds like a cooling problem to me. Try a Glaciator II from www.millennium-thermal.com and some AS2 from www.arcticsilver.com
Well... Im underclocking the processor 300mhz!
And the temp with that and vcore 1.550 is 44 idle.... :(
WITH case open....................
I have as2.. I suspect that my heatsink is bad.. :(
Cause I treated it bad when I removed the thermal pad... Probably need a new one.
But it's not THAT bad. I don't see why this is happening.
Memory clock is at 133 mhz, fsb at 100. Should I lower the memoryclock?
Is it bad for the processor to only give it 1.550 vcore voltage?
Is it any idea to update Bios?
How do I do that? And where can I find these updates? (To you who had the same mobo)
HUH. 48c Idle @ 900mhz.
I had 43c Idle with the silicone paste. This As2 seems strange...
Well... I mayby draw a to thick layer... *Sigh*
-=UR=- Ranger
10-10-01, 01:29 PM
Your heatsink doesn´t sound too bad for me, perhaps you should lap it and reapply a very THIN layer of ASII on the core. Make sure your heatsink is seated correctly. Do u have any casefans?
No I have no casefans, I'm going to buy some.
I solved something I think. I got really bad temps 48 idle so I looked over my processor and noticed that not the hole core was coverd by the heatsink. So I made it sit better and coverd a REALLY thin layer. Så now Im done to temps like 38 in games and like 34-35 idle in windows.
So what are your Idea?
Should I go to default cvore and see what happends?
Should I update bios to solve the windows booting hanging problem?
Or any other solution, cause it's not working properly yet.
Thanks for any ideas :)
This was written on the core:
"A1200AMS3C"
Ok i've set the vcore to default. Temps with 900mhz (9*100) = 43,44 idle...
Now comes the tricky part. How much can I go up? At which temp are bad for the processor?
My friend is running his amd 1400 at 62c idle... (not good)
Over and out.
Originally posted by Yxel
This was written on the core:
"A1200AMS3C"
Ok i've set the vcore to default. Temps with 900mhz (9*100) = 43,44 idle...
Now comes the tricky part. How much can I go up? At which temp are bad for the processor?
My friend is running his amd 1400 at 62c idle... (not good)
Over and out.
You finally adjusted the VCore to default now why not use the default clockspeed? No need to adjust the VCore to run at 1.2GHz 266FSB (133MHz). Default Clockspeed with default VCore will have the same temps you get now.
oc jason
10-11-01, 07:42 AM
temps are high for default speed, but again you dont have case fans. Try 9x133, default voltage and non agressive memory settings. cas 3 try that? It should work at defaulst speed, look in the manual and see if that mobo has a settings for 100 or 133. most boards have a jumper if its set at 100 going over that is hard set the jumper to 133 and then is should drop the X to 9 and up the FSB to 133 adn you iwll then be happy.
Default frequency with the jumper that sets the fsb to 200 is 900.
Default frequency with the jumper that sets the fsb to 266 is 1200.
I can change memory clock in bios to 100 or 133 or auto. I have it on auto.
Btw, I just installed the VIA drivers ;) Mayby has something to do with this...
I hope so.
Im running @ 1100 mhz now with a vcore voltage of 1.65. (Is this damaging the processor?)
My temps are 44-45 idle in windows.
BUT as fast as I try to set it up to 1200 no mather what fsb or multiplier I have the booting sequece hangs. It seems that I CAN'T run at 1200, which freaks me out :(
Why, why WHY!?! :( (Not expecting any answers)
Originally posted by Yxel
Specs:
Msi mother board KT7 Turbo Based on the VIA Kt133A Chipset
Amd Athlon 1200 mhz 266fsb
256mb sdram 133mhz cas 3
Ibm 5400rpm ata 66 20400 mb hd.
THe machine works with:
100*9
100*10
100*11
111*9
Works NOT:
133*9
100*12 (Wtf?!)
If I have "Default" vcore then the temps are WAY to high. So I lowerd it to 1.550. But it doesnt make any difference. The system
hangs with all default options in bios.
Hope you can answer better now.
You changed it too 133fsb using the jumper on the mobo itself?? If not the pci, agp speed will be just to high.......
Also make sure you turn down your memory speed to 100mhz"not fsb+pci" Or u will actually run your memory on 166mhz instead of 133
Originally posted by Yxel
HUH. 48c Idle @ 900mhz.
I had 43c Idle with the silicone paste. This As2 seems strange...
Well... I mayby draw a to thick layer... *Sigh*
Sounds like your cooler isnt sitting properly.... wbk38 should do alot better than that. I get around 52-53c loaded at 1544mhz with a fop38 which should be a worse cooler than what you have
I've tested everything i know. It wont boot with 1200 mhz, even with 100fsb * 12. :((
Well, the hs was sitting badly, so i fixed that and now I got better temps...
Yes, when I remove the jumper the fsb sets to 133 automaticly.
Aa this is crap :(
lonewolf1983
10-11-01, 10:25 AM
what i dont understand is why there isnt a default for this
there should be a default setting where the mobo/cpu detects what speed and fsb it is supposed to run at.
just a thought
Hm I got it to run at 100*12 and memoryclock @ 100 and cas 3.
This may not work, but my mobo would detect my chip at 750Mhz and wouldnt boot at default settings, the best I could run was 900 (9 * 100), I was so frustrated. Then I unlocked my processor and let the mobo detect my processor and it booted at 1000 like it should. I have no clue why it wouldnt boot normally unlocked like it should, but unlocking it sure helped, and it has been OCed ever sence I got a good hsf.
My system can't boot with default vcore settings.
This is very strange..........
Yxel, I was just reading about your Mobo at Viahardware.com and noticed something. There is a jumper on the board that you have to set to change between 100 and 133 FSB. Check that jumper to make sure that you have it indeed set to 133.
Dang, was hoping it was going to be easy.
And I just now realized someone already suggested that, DOH, guess I should read a little more carefully.
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