FSB 400 settup. 2500AMD Barton. K7N2 Delta-L

AMD 2500 (Barton) combined with a newer K7N2 Delta Board.
CPU set up Question.
My new board has the FSB 333 logo in the corner of the shipping box however it has a new stick on label announcing its "400 FSB edition" Unfortunately the book has not been updated which leaves me puzzled regarding the board jumpers and Bios frequency set up. The book explains the "multiplier" calculation system but unfortunately the manufacturer has not got around to publishing that figure.(core bus ratio)
 I have two "jumpers" (J10 and J11) that have 133mz (factory set)(J10) and an alternate setting (safe mode) of 10mz.
On J11 I have two settings (100mz OPEN and 133/166mz SSHORT)
 The instructions read " J10 allows you to set the CPU FSB mode"
J11 "CPU FSB Freq jumper.. used to spec the CPU FSB freq. Leave the jumper short connected if a 133/166 mz CPU is installed. If the CPU supports 100Mz FSB leave the jumper open connected. To use a 200mz FSB CPU set the jumper short connected and enter the Bios utility to adjust the clock freq. Can somebody make all this simple. Do I set J10 user or safe? Do I set J11 open or short and what freq do I set in the Bios?
Please note I am not interested in overclocking but merely in attaining the correct performance of 1.833gz.
I have the computer running on factory settings at present.
I have half a gig of 400 memory installed.

Hi,
  J10 is user mode pins 1&2, J11 is shorted 133/166. To get a 400 FSB set your CPU FSB Clock to 200.  
Rob

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  • K7N2 Delta ILSR and XP2500+ - strange overclocking problem

    Relevant configuration data:
    - K7N2 Delta ILSR (with 7.6 BIOS version)
    - Barton 2500+ (AQXEA)
    - Arctic Silver 3 thermal compound
    - GlobalWin CAK 38 (7000 rpm DELTA, all copper)
    - 2x512 MB Corsair XMS cmx512 3200c2 (it should run 6-3-3-2 at 200MHz on AMD systems according to older documents, and on 6-3-3-2.5 at 200MHz  on AMD systems according to newer documents)
    - PSU Enermax EG465P-VE (430W)
    - Gigabyte ATI Radeon 9800Pro 128MB
    - Battlefield 1942 game  
    I have 2 seperate problems:
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    2. Second problem is a bit more serious.
    I'm having problems setting my proc to work with 100% stability on 200MHz FSB speed.
    This is what's going on:
    - Behaviour in Windows is pretty much good (no random restarts).
    - Sometimes (on rare occasions) blues screen appears when I'm in windows or some program. Last time when it appeared it said something about "memory managment". I tried to lower memory settings but nothing seemed to be better.
    - If I try to freshly install windows on 200 MHz FSB in 98% of the cases installation will be abrupted (blue screen or resets) or it won't even start to install.
    - What's bothering me the most is this: Battlefield 1942 is crashing on regular basis. Sometimes it can hold for 5 minutes, sometimes 20 minutes, sometimes half an hour. But on certain moment, puff, and I'm out in Windows. Not a computer restart, just it throws me on desktop.
    I've been checking the temperature on regular basis when I'm playing. It is always low.
    I've tried to raise core voltage all the way to 1.8v, but same thing happens.
    I've tried to lower memory settings, but I get same BF crashing.
    I don't know what else to do or what other component to acuse for instability.  
    Can somebody please help me ?
    Thank you in advance !

    Quote
    Originally posted by ellswt
    On the newer 2500+'s the multiplier is locked, this could be your problem
    Nope, because I am changing multiplyers without probs. The only multiplyer that doesn't work is 13x.
    Quote
    ...loosen up your memory timings to add stability, and give it a try again at the 200 mhz fsb without changing the multiplier.
    I drove the memory according to the Corsair's specs, and I drove it on lower settings also. No change.
    Quote
    also you may wish to go up to 2.7 volts for your ram, and 1.7 volts on your processor to add stability, remember sometimes you have to go up gradually a step or two at a time and keep it there for a day or two before you reach your top OC.
    I might try upping ram voltage but that doesn't sound good, because it IS DDR 400 memory (an excellent one too !).
    It's not like I'm trying to drive it over 200MHz. 200MHz is this memory's normal frequency.
     Quote
    Newest video driver from ATI may help with the stability on your gaming.
    Already have newest drivers.
    Anyway, thanks for the tips !  

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