DFI LP JR P45-T2R Does 575FSB With 27/7 Settings

[praz]

LP JR P45-T2R, E8600, 575x7.5, 2x2GB Memory 1152MHz, Post 1 of 3


There are plenty of boards capable of running high FSB benches. But few have the ability to run these speeds completely stable using 24/7 voltages and at the same time having a nice clock on the processor and 4GB of ram. Even though this is a mATX board it gives up when overclocking for day to day use.

There have been mixed results with this board with regards to overclocking. Don't know if I just got lucky or the reported issues have been sorted out. The board I have is a full retail version, revision R.AC0. The same board one should receive if bought today.



DFI LP JR P45-T2R, 10/30 BIOS
575x7.5, Memory 1152MHz
E8600
2x2GB OCZ PC2-9200 Flex II 1050MHz 5-5-5-18
SAPPHIRE 4870
OCZ Core SSD
Orange Slots Used For Memory

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CPU Feature Page
Thermal Management Control................Enabled
PPM(EIST) Mode............................Enabled
Limit CPUID MaxVal........................Disabled
CIE Function..............................Auto
Execute Disable Bit.......................Enabled
Virtualization Technology.................Enabled
Core Multi-Processing.....................Enabled

Main BIOS Page
Exist Setup Shutdown......................Mode 2
Shutdown after AC loss....................Enabled
AC Shutdown free..........................Enabled
O.C. Fail Retry Counter...................1
O.C. Fail CMOS Reload.....................Disabled
CPU Clock Ratio........................... 7.5x
CPU N/2 Ratio.............................Enabled
CPU Clock.................................575 MHz
Boot Up Clock.............................Auto
CPU Clock Amplitude....................... 800mV
CPU Clock0 Skew........................... 200ps
CPU Clock0 Skew........................... 0ps
DRAM Speed................................333/667
PCIE Clock................................100MHz

CPU Spread Spectrum.......................Disabled
PCIE Spread Spectrum......................Disabled

Voltage Setting Page
CPU VID Special Add.......................+137.5mV
DRAM Voltage Control......................2.001V
SB Core/CPU PLL Voltage...................1.55V
NB Core Voltage...........................1.4075
CPU VTT Voltage...........................1.26V
VCore Droop Control.......................Enabled
Clockgen Voltage Control..................3.45V
CPU GTL 0/2 REF Volt......................0.67X
CPU GTL 1/3 REF Volt......................0.67X
North Bridge GTL REF Volt ................0.61X
FSB Vref.................................. 2A

DRAM Timing Page
Enhance Data Transmitting.................Fast
Enhance Addressing........................Fast
T2 Dispatch...............................Auto
Clock Setting Fine Delay..................Listed Below

Flex Memory Mode..........................Auto
CAS Latency Time (tCL)....................5
RAS# to CAS# Delay (tRCD).................5
RAS# Precharge (tRP)......................Auto
Precharge Delay (tRAS)....................15
All Precharge to Act......................8
REF to ACT Delay (tRFC)...................60
Performance Level.........................10
Read Delay Phase Adjust...................Listed Below
Write to PRE Delay (tWR)..................14
Rank Write to Read (tWTR).................11
ACT to ACT Delay (tRRD)...................3
Read to Write Delay (tRDWR)...............8
Ranks Write to Write (tWRWR)..............Auto
Ranks Write to Read (tWRRD)...............Auto
Read CAS# Precharge (tRTP)................3
ALL PRE to Refresh........................8

Read Delay Phase Adjust Page
Channel 1 Phase 0 Pull-In.................Auto
Channel 1 Phase 1 Pull-In.................Auto
Channel 1 Phase 2 Pull-In.................Auto
Channel 1 Phase 3 Pull-In.................Auto
Channel 1 Phase 4 Pull-In.................Auto

Channel 2 Phase 0 Pull-In.................Auto
Channel 2 Phase 1 Pull-In.................Auto
Channel 2 Phase 2 Pull-In.................Auto
Channel 2 Phase 3 Pull-In.................Auto
Channel 2 Phase 4 Pull-In.................Auto

Clock Setting Fine Delay Page
DLL and RCOMP Settings .................By Menu
Ch1 DRAM Default Skew.....................Model 5
Ch2 DRAM Default Skew.....................Model 5
RCOMP Setting.............................Model 0

Fine Delay Step Degree....................70ps


Ch1 Clock Crossing Setting................Auto
DIMM 1 Clock fine delay...................Current 2476ps
DIMM 2 Clock fine delay...................Current 2476ps
Ch 1 Control0 fine delay..................Current 472ps
Ch 1 Control1 fine delay..................Current 472ps
Ch 1 Control2 fine delay..................Current 410ps
Ch 1 Control3 fine delay..................Current 394ps
Ch 1 Command fine delay...................Current 472ps

Ch2 Clock Crossing Setting................Auto
DIMM 3 Clock fine delay...................Current 2492ps
DIMM 4 Clock fine delay...................Current 2428ps
Ch 2 Control0 fine delay..................Current 442ps
Ch 2 Control1 fine delay..................Current 442ps
Ch 2 Control2 fine delay..................Current 346ps
Ch 2 Control3 fine delay..................Current 332ps
Ch 2 Command fine delay...................Current 442ps

Ch1Ch2 CommonClock Setting................Auto

Ch1 RDCAS GNT-Chip Delay..................Auto
Ch1 WRCAS GNT-Chip Delay..................Auto
Ch1 Command to CS Delay...................Auto

Ch2 RDCAS GNT-Chip Delay..................Auto
Ch2 WRCAS GNT-Chip Delay..................Auto
Ch2 Command to CS Delay...................Auto




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[praz]

XP SP3


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3dx Max w/V-ray
Time to render: 13min 05sec

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http://www.edgeofstability.com/images/benchmark/lounge_night_benchmark_680.jpg (http://www.edgeofstability.com/images/benchmark/lounge_night_benchmark_800.jpg)


TMPGEnc XPress
1GB VOB file ripped from DVD movie

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[praz]

Vista 64 Bit SP1


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3dx Max w/V-ray
Time to render: 14min 50sec

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http://www.edgeofstability.com/images/benchmark/lounge_night_benchmark_680.jpg (http://www.edgeofstability.com/images/benchmark/lounge_night_benchmark_800.jpg)


TMPGEnc XPress
1GB VOB file ripped from DVD movie

click for larger image
http://www.edgeofstability.com/images/jrp45/e8600/1150f/jpg/64/1150f_encode_64_s.jpg (http://www.edgeofstability.com/images/jrp45/e8600/1150f/jpg/64/1150f_encode_64_l.jpg)


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[SeLecT]

Very nice! :)

Thanks for the settings!

[Eldonko]

GJ man, hell of a lot better than mine is.

[conceptxp]

Nicely Done!!!!

[praz]

This board is just rock solid. The same benches are passing on Windows 7 also.

[boshuter]

GJ man, hell of a lot better than mine is.

Amen to that.... I can't get my DK P45 T2RS Plus over 500fsb :( I was wanting to fill my dewar and try this board with an 8600 EO and 4870 that I just got, but if I can't find some fsb I'll have to dump this thing and try a different board. Seems like some have great luck with these and others really struggle.... maybe I'm just missing a setting somewhere.

Great job with yours praz, from one Missouri oc'er to another :D

[praz]

Might be some obscure setting limiting FSB. I have found a couple of FSB holes depending on the strap/divider used. Some settings will break things also. In the screenshots above I have tRP set to Auto. Any manual setting causes complete instability including the value of 7 that the board is setting. Doesn't make a whole lot of sense.

[boshuter]

I'm not giving up on it just yet. I'll play with it this weekend and try to find the problem. I've tried all the settings people have used to get theirs to high fsb (coolalar's on here and rgone's on dfi site), but none of them have helped so far. I'm running the 7/25 bios and hate to try a different one since that is the fast one for super pi.

I had a very hard time getting over 540fsb with my Asus P5K board until I finally just went ahead and bolted the pot on it and tried some dice.... the board just took off then, it would boot at 600fsb with all settings on auto except for vcore and vdimm. I may try the same with this board and if I still can't get it up there I'll just swap out for the P5K.

[Eldonko]

I think it is board inconsistency myself. I must have spent 50 hours on mine, so either I am a dumbass or my board sucks.

[boshuter]

I think it is board inconsistency myself. I must have spent 50 hours on mine, so either I am a dumbass or my board sucks.

LOL.... I'm about to come to the same conclusion :) Best I've managed to boot with is 500fsb and thats not consistent, have clockgened to 525 but thats not stable enough to bench.

[praz]

Quite a few small obscure things that still need to be sorted in the BIOS for this board. No boot depending on strap/divider, FSB and CAS combinations even though the configuration is technically valid. Some setups won't boot or are unstable if one or more of the Clock Crossing Settings are set to anything but Auto. With other configurations leaving them on Auto causes the same issues. Last night I found that having the Power Saving Mode in Vista set to Balanced causes the 7x multiplier to quit working. Does not affect the other multipliers.