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Hello. I have been trying to get a stable overclock for quite a while, and every time I try to increase the OC, I get errors in memtest. Right now, I have a rock solid system, but it is fairly gimped. I am aiming for a 400x8 setup with a 2.00B strap, but every time I try and do this, the system stability gets gradually worse over the course of a week, where the hardware won't even be recognized by POST.
On an ice cold boot (PSU turned off for 30 seconds or more), I would get no errors in memtest for at least six hours. There are 3-5 errors during the second day. During the third day it would increase to 3-5 errors every pass. On the fourth day, 3-5 every test. Fifth day it goes to every minute. Sixth day, every second. If that's not exponential degradation, I don't know what is. Of course, an ice cold reboot resets this procedure.
Fortunately, my current setup has not had a memtest error at any time. I would love to find out what I would need to do to get it to 400x8. I know it may be difficult, as the P45 REALLY doesn't like it when there are 8 gigs in the system, but I know it might be a possibility.
Q6600 G0 1.325VID
EP45-UD3R 1.1 F12
8GB (4x2GB) Crucial Ballistix PC2-6400 (4-4-4-12 @ 2.0v)
Corsair VX550W PSU
The configuration that never has any errors in memtest:
On an ice cold boot (PSU turned off for 30 seconds or more), I would get no errors in memtest for at least six hours. There are 3-5 errors during the second day. During the third day it would increase to 3-5 errors every pass. On the fourth day, 3-5 every test. Fifth day it goes to every minute. Sixth day, every second. If that's not exponential degradation, I don't know what is. Of course, an ice cold reboot resets this procedure.
Fortunately, my current setup has not had a memtest error at any time. I would love to find out what I would need to do to get it to 400x8. I know it may be difficult, as the P45 REALLY doesn't like it when there are 8 gigs in the system, but I know it might be a possibility.
Q6600 G0 1.325VID
EP45-UD3R 1.1 F12
8GB (4x2GB) Crucial Ballistix PC2-6400 (4-4-4-12 @ 2.0v)
Corsair VX550W PSU
The configuration that never has any errors in memtest:
Code:
[B][U] MB Intelligent Tweaker(M.I.T.)[/U][/B] Robust Graphics Booster ...............: Auto CPU Clock Ratio .......................: 9 CPU Frequency .........................: 3.00GHz (333 x 9) [B][U]Clock Chip Control [/U][/B] [B][U]Standard Clock Control[/U][/B] CPU Host Clock Control.................: [Enabled] CPU Host Frequency (Mhz) ..............: 333 [B]PCI Express Frequency (Mhz) ...........: 100[/B] C.I.A.2 ...............................:[Disabled] [B][U]Advanced Clock Control [Press Enter][/U][/B] CPU Clock Drive........................: 800 PCI Express Clock Drive................: 900 CPU Clock Skew (ps)....................: 0 MCH Clock Skew (ps)....................: 0 [B][U]DRAM Performance Control[/U][/B] [B]Performance Enhance....................: [STANDARD][/B] Extreme Memory Profile (X.M.P.)........: Disabled (G)MCH Frequency Latch.................: [Auto] System Memory Multiplier ..............: 2.40B Memory Frequency (Mhz) ................: 800 DRAM Timing Selectable ................: [Manual] [B]Standard Timing Control[/B] CAS Latency Time.......................: 5 [5] tRCD ..................................: 5 [5] tRP'...................................: 5 [5] tRAS...................................: 18 [15] [B][U]Advanced Timing Control[/U][/B] - All on auto, values reported by bios. tRRD...................................: 3 tWTR...................................: 3 tWR....................................: 6 tRFC...................................: 52 tRTP...................................: 3 Command Rate (CMD) ....................: 0 [U][B]Driving Strength Profiles[/B][/U] - All on auto, values reported by bios. Driving Strength ......................: Auto [B]Channel A[/B] - All on auto, values reported by bios. Static tRead Value.....................: 7 tRD Phase0 Adjustment.................: 0 tRD Phase1 Adjustment..................: 0 tRD Phase2 Adjustment ................: 0 tRD Phase3 Adjustment.................: 0 Trd2rd(Different Rank).................: 6 Twr2wr(Different Rank).................: 6 Twr2rd(Different Rank).................: 5 Trd2wr(Same/Diff Rank).................: 8 Dimm1 Clock Skew Control...............:Auto ps Dimm2 Clock Skew Control...............:Auto ps [B]Channel B[/B]: See channel A. [B][U]Motherboard Voltage Control[/U][/B] [B]CPU[/B] CPU Vcore...........1.325v.............: 1.400v CPU Termination.....1.200v.............: Auto CPU PLL.............1.500v.............: Auto CPU Reference.......0.755v.............: Auto [B]MCH/ICH[/B] MCH Core............1.100v.............: 1.240v MCH Reference.......1.760v.............: Auto MCH/DRAM Ref........0.900v.............: Auto ICH I/O.............1.500v.............: Auto ICH Core............1.100v.............: Auto [B]DRAM[/B] DRAM Voltage........1.800v.............: 1.900v DRAM Termination....0.900v.............: Auto Channel A Reference 0.900V.............: Auto Channel B Reference 0.900V.............: Auto [B][U]Advanced Settings[/U][/B] Limit CPUID Max. to 3................: [Disabled] No-Execute Memory Protect............: [Enabled] CPU Enhanced Halt (C1E)..............: [Disabled] C2/C2E State Support.................: [Disabled] x C4/C4E State Support...............: [Disabled] CPU Thermal Monitor 2(TM2) ..........: [Enabled] CPU EIST Function....................: [Disabled] Virtualization Technology............: [Disabled] [B][U]Integrated Peripherals[/U][/B] Legacy USB Storage Detect ...........: [Disabled]
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