Overclock Help Needed

  busybaz 13:43 13 Feb 04
Locked

Genius @ overclocking required! Can only get my AMD 2500+ to run @ 190MHz FSB when everyone else seems able
to obtain 200. Unable to obtain P.O.S.T. when 200 set, clearing CMOS does not initially work, can only get system back by
replacing PC3200 memory with PC2700 memory [is this a clue?!!!!]

MSI K7N2 Delta MoBo
AMD 2500+ Barton [late issue, so multiplier is locked @ x11]
1x512MB Crucial PC3200 DDR DIMM
Gainward NVIDIA GeForce4 MX440 AGP8X 64MBRAM
Windows 2000 OS

BIOS Settings: My settings shown 1st, followed by other available settings


Advanced Chipset Features Settings:

Current CPU Clock: 2080
System Performance: Manual/Auto/High Performance
CPU FSB Clock: 190 [Manual=100 to 233/Auto OR High Performance=100,133,166,200]
CPU Interface: High Performance/Normal
FSB/DRAM Ratio: Auto [By SPD/ 2:1, 5:3, 3:2, 4:3,5:4,6:5,1:1,5:6,4:5,3:4,2:3,3:5,1:2]
Current DRAM Clock: Auto
Memory Timing:High Performance/By SPD/Normal
xT-(RAS),xT-(RCD), xT-(RP), CAS Latency (8,3,3,3.0)
FSB Spread Spectrum:Disabled
AGP Spread Spectrum:Disabled
AGP 8x Support: Enabled/Disabled
AGP Fast write Support:Disabled/Enabled
System BIOS Cacheable:Disabled/Enabled
Video Ram Cacheable: Disabled/Enabled
AGP Aperture Size:64MB [32,64,128,256,512]


Frequeny/Voltage Control Settings:

AGP Clock:Default/Manual
AGP Clock Value:66 [66 to 120 available under manual setting]
AGP Voltage Adjust:1.5/1.6/1.7
DRAM Voltage Adjust:2.6/2.5/2.7
CPU Ratio x11 {Late 2500+ Barton Core so multiplier is locked @ x11}
CPU Vcore Select:by H/W/[1.550 to 1.800 available in 0.025 increments]
PCI Clock Auto Detect:Enabled/Disabled


Any help would be greatly appreciated

Regards
BusyBaz

  leo49 14:03 13 Feb 04

Have you looked on this board for specialist help?

click here

  leo49 14:05 13 Feb 04

Must admit, I always thought you had to run 2 memory modules to get optimum performance - I run 2x512 on the ILSR version

  Indigo 1 14:11 13 Feb 04

click here

and check which one you have first click here

I take no responsinbilty for you burning out your chip OK ? ;-P

  Chegs ® 14:43 13 Feb 04

I have never managed to get my CPU's FSB above 176,only by reducing the multiplier can I gain any stability.Thats with an XP2600 on a Gigabyte GA-7VAXP Ultra. ;-(

  busybaz 20:42 13 Feb 04

Thanks for the links so far, will check them out a.s.a.p. MSI forum may be particularly helpful, don't think I'll be doing any gate manipulation on the chip itself just yet!

  woodchip 21:28 13 Feb 04

Have you tried upping the core volts a fraction at a time but watch the temp. You should get the best cooling you can afford

  busybaz 09:06 14 Feb 04

leo49 - 2 memory modules increase performance if mobo supports 128 bit Dual Channel DDR (which the K7N2 does) but my single module is PC3200 [rated at 400MHz = 2x200FSB) so should NOT be posing problems when mobo also rated at 400MHz?


Indigo 1 - Might try this IF the chip survives through the warranty period!

Chegs ® - Sounds like your motherboard and/or memory is only rated at 333MHz?

Woodchip - have tried upto 1.7vcore so far with same catastrophe. Can't help feeling the chip just won't go to 200FSB, unless someone can tell me any BIOS settings changes that would work.

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