Athlon XP 2700+ Thoroughbred freezing on WinXP

[amannis]

Hi, I got 2700+ Athlon XP today (CPU only) and it works fine at 133mhz FSB but when trying to run at 166mhz, Windows XP freezes with blue screen on startup complaining something about win32k.sys and telling me to update bios (what I already did but it didnt help). Anyone have any idea what's wrong?

my system:
- Athlon XP 2700+ Thoroughbred (old was 1200mhz thunderbird running 133mhz)
- Asrock K7VT4-4x/8x
- 2x 512mb ram (running at 166/333mhz)
- Radeon 8500 128mb

 

[Ned_Flanders]

You mean 2700+? It doesn't run at 2700MHz.

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[amannis]

Yeah that's what I meant. I tried it with 9x166, 13x166 and 13.5x166 and all resulted to same blue screen.

 

[Ned_Flanders]

What Vcore?

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[amannis]

SpeedFan tells 1.62-1.65V.

 

[amannis]

From the chips:
VM 5032TWN DDR PC400
VT56DD32MBPC-5

"VM" seemed to be the actual brand. Both chips are the same type.

 

[amannis]

Also tried with Cpu-Z utility and it said that max bandwidth of memory is 200mhz (PC3200) and some frequency & latency (CAS & RAS) settings.

 

[khha4113]

Did you increase its VCore? Mine (TBred 2100+) has to be up 1.725V for 2200MHz (13*172MHz).

 

[4Ryan6]

V-Core 1.650v @ 166 X 13 is pretty much Default System settings, your RAM may be set too agressive, I'd try clearing the CMOS, and set everything to setup defaults, reset the date and time and let the settings be applied automatically, and see if it will come up stable, you can tweak it later!, if it doesn't come up solid, test the system memory for errors.

Check my sticky in the Other Components Section for download links to Memtest86 if you need it.

4ryan6









AMD XP 3200+ / Asus A7N8X-E Deluxe / Corsair XMS PC3200 1024mb LLC2 / ATI X850 Pro / SoundBlaster X-FI / 2 Seagate SATA 7200rpm/8mb / Plextor PX-716A DVDRW

 

[4Ryan6]

I saw you were running a 1200mhz Thunderbird, thats not one of those M/Bs with a CPU jumper that has to be set to change from a Tbird to a Tbred is it??? Check that out.

AMD XP 3200+ / Asus A7N8X-E Deluxe / Corsair XMS PC3200 1024mb LLC2 / ATI X850 Pro / SoundBlaster X-FI / 2 Seagate SATA 7200rpm/8mb / Plextor PX-716A DVDRW

 

[ChipDeath]

Good point. He <i>might</i> need to set a jumper to change the base FSB to 166, otherwise it might still be using the 1/4 divider for his PCI/AGP bus speeds, resulting in 41Mhz and 82Mhz, which may well screw things up.

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[ChipDeath]

<A HREF="http://www.asrock.com/Drivers/Manual/K7/Jumer_setting_K7.pdf" target="_new">Here's a PDF</A> which shows a jumper setting for FSB changes on your board. Try that. Unfortunately it doesn't show exactly where on the board it is though, but it's labelled "FSB_SEL0"

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[amannis]

That was the cause. As the jumper was set to 266mhz, changing the FSB manually actually overclocked the thing. Working perfectly now, thanks everybody.

 

[ChipDeath]

Thank Ryan. I was thinking about memory or something like everyone else until his post reminded me about something similar on my old Asus KT333 board.

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